Instruction/ maintenance manual of the product Elan EM78P259N/260N IBM
Go to page of 89
EM78P259N/260N 8-Bit Microprocessor with OTP ROM Product Specification D OC . V ERSION 1.2 ELAN MICROELECTRONICS CORP. May 2007.
T rademark Acknowledgments: IBM is a registered trad emark and PS/2 is a trademark of IBM. W indows is a trademark of Microsoft Corporation. ELAN and ELAN logo are trademarks of ELAN Microelectronics Corporation.
Contents Product Specificat ion (V1.2) 0 5.18.2007 • iii Contents 1 General Description .................................................................................................. 1 2 Features .................................................
Contents iv • Product Specifica tio n (V1.2) 05.18.2007 6.2.13 IOC61 (TCCB Counter) ......... ................... ....................... .................. .............. 23 6.2.14 IOC71 (TCCBH/M SB Counter) .......................... .............
Contents Product Specificat ion (V1.2) 0 5.18.2007 • v 6.1 1 Oscill ator ......................................................................................................... 60 6.1 1.1 Oscillator Mode s ...... ....................... ..........
Contents vi • Product Specification (V1.2) 05.18.2007 Specificati on Revision History Doc. Version Revision Descr iption Date 1.0 Init ial official version 2005/06/ 16 1.1 Added the IRC d rift rate in the fe ature 2006/05/29 1.2 1. Improve d the contents and f ormat of the Featu res section, Fig.
EM78P259N/260N 8-Bi t Micr oproce ssor w ith OTP RO M Product Specificat ion (V1.2) 05.1 8.2007 • 1 (This specificatio n is subject to change without f urther notice) 1 General Description The EM78P259N an d EM78P260N are 8-bit microproc essors designed and devel oped with lo w-power and high-spee d CMOS technology .
EM78P259N/260N 8-Bit Microprocessor with OTP ROM 2 • Product Specificatio n (V1.2) 05.18.2007 (This specification is sub ject to change without further notice) 3 Pin Assignment (1) 18-Pin DIP/SOP P5.
EM78P259N/260N 8-Bi t Micr oproce ssor w ith OTP RO M Product Specificat ion (V1.2) 05.1 8.2007 • 3 (This specificatio n is subject to change without f urther notice) 5 Pin Description 5.
EM78P259N/260N 8-Bit Microprocessor with OTP ROM 4 • Product Specificatio n (V1.2) 05.18.2007 (This specification is sub ject to change without further notice) 5.
EM78P259N/260N 8-Bi t Micr oproce ssor w ith OTP RO M Product Specificat ion (V1.2) 05.1 8.2007 • 5 (This specificatio n is subject to change without f urther notice) 6 Function Description 6.1 Operational Registers 6.1.1 R0 (Indirect Address Register) R0 is not a physically implemented register .
EM78P259N/260N 8-Bit Microprocessor with OTP ROM 6 • Product Specificatio n (V1.2) 05.18.2007 (This specification is sub ject to change without further notice) "JMP" instruction allows direct load ing of the lower 10 program counter bits.
EM78P259N/260N 8-Bi t Micr oproce ssor w ith OTP RO M Product Specificat ion (V1.2) 05.1 8.2007 • 7 (This specificatio n is subject to change without f urther notice) 6.
EM78P259N/260N 8-Bit Microprocessor with OTP ROM 8 • Product Specificatio n (V1.2) 05.18.2007 (This specification is sub ject to change without further notice) 6.
EM78P259N/260N 8-Bi t Micr oproce ssor w ith OTP RO M Product Specificat ion (V1.2) 05.1 8.2007 • 9 (This specificatio n is subject to change without f urther notice) 6.1.6 R5 ~ R6 (Port 5 ~ Port 6) R5 & R6 ar e I/O reg ister s The upper 2 bits of R5 are fixed to “0” (if EM78 P 259N is selected).
EM78P259N/260N 8-Bit Microprocessor with OTP ROM 10 • Product Specification (V1.2 ) 05.18.2007 (This specification is sub ject to change without further notice) Bit 3 & Bit 2 (RCM1, RCM0): IRC mod e selection bit s RCM 1 RCM 0 Frequenc y (MHz ) 1 1 4 (default) 1 0 8 0 1 1 0 0 455kHz 6.
EM78P259N/260N 8-Bi t Micr oproce ssor w ith OTP RO M Product Specificat ion (V1.2) 05.1 8.2007 • 11 (This specificatio n is subject to change without f urther notice) 6.
EM78P259N/260N 8-Bit Microprocessor with OTP ROM 12 • Product Specification (V1.2 ) 05.18.2007 (This specification is sub ject to change without further notice) Bit 1 ~ Bit 0 (ADIS1 ~ADIS0): Analog Input Select 00 = ADIN0/P50 01 = ADIN1/P51 10 = ADIN2/P52 1 1 = ADIN3/ P53 These bits can only be changed when the A DIF bit (see Section 6.
EM78P259N/260N 8-Bi t Micr oproce ssor w ith OTP RO M Product Specificat ion (V1.2) 05.1 8.2007 • 13 (This specificatio n is subject to change without f urther notice) 6.
EM78P259N/260N 8-Bit Microprocessor with OTP ROM 14 • Product Specification (V1.2 ) 05.18.2007 (This specification is sub ject to change without further notice) Bit 2 (CMPWE): Comparator wake-up enable bit 0 = Disable Comparator wake-up 1 = Enable Comp arator wake-up When C omparator enters sleep mode, this bit must b e set to “Enable.
EM78P259N/260N 8-Bi t Micr oproce ssor w ith OTP RO M Product Specificat ion (V1.2) 05.1 8.2007 • 15 (This specificatio n is subject to change without f urther notice) 6.
EM78P259N/260N 8-Bit Microprocessor with OTP ROM 16 • Product Specification (V1.2 ) 05.18.2007 (This specification is sub ject to change without further notice) Bit 2 ~ Bit 0 (PST2 ~ PST0): TCC pres.
EM78P259N/260N 8-Bi t Micr oproce ssor w ith OTP RO M Product Specificat ion (V1.2) 05.1 8.2007 • 17 (This specificatio n is subject to change without f urther notice) Bit 1 (TCCA TS): TCCA signal source 0 =: internal instruction cycle clock. P61 is a bi-directional I/O pin.
EM78P259N/260N 8-Bit Microprocessor with OTP ROM 18 • Product Specification (V1.2 ) 05.18.2007 (This specification is sub ject to change without further notice) 0 = increment if the tran sition from low to high takes place on the TCCC pin 1 = increment if the transition from high to low ta kes place on the TCCC pin 6.
EM78P259N/260N 8-Bi t Micr oproce ssor w ith OTP RO M Product Specificat ion (V1.2) 05.1 8.2007 • 19 (This specificatio n is subject to change without f urther notice) Bit 6 ~ Bit 4 (TCCCS2 ~ TCCCS0.
EM78P259N/260N 8-Bit Microprocessor with OTP ROM 20 • Product Specification (V1.2 ) 05.18.2007 (This specification is sub ject to change without further notice) 6.
EM78P259N/260N 8-Bi t Micr oproce ssor w ith OTP RO M Product Specificat ion (V1.2) 05.1 8.2007 • 21 (This specificatio n is subject to change without f urther notice) 6.
EM78P259N/260N 8-Bit Microprocessor with OTP ROM 22 • Product Specification (V1.2 ) 05.18.2007 (This specification is sub ject to change without further notice) Bit 5 (ADIE): ADIF inte rrupt enable bit 0 = disable ADIF interrupt 1 = ena ble ADIF interrupt Bit 4 (CMPIE ) : CMPIF interrupt enable bit.
EM78P259N/260N 8-Bi t Micr oproce ssor w ith OTP RO M Product Specificat ion (V1.2) 05.1 8.2007 • 23 (This specificatio n is subject to change without f urther notice) Bit 5 (TCCCIE): TCCCIF interru.
EM78P259N/260N 8-Bit Microprocessor with OTP ROM 24 • Product Specification (V1.2 ) 05.18.2007 (This specification is sub ject to change without further notice) 6.2.14 IOC71 (TCC BH/MSB Counter) The IOC71 (TCCBH) is an 8-bit clock coun ter for the most significan t byte of TCCBX (TCCBH) .
EM78P259N/260N 8-Bi t Micr oproce ssor w ith OTP RO M Product Specificat ion (V1.2) 05.1 8.2007 • 25 (This specificatio n is subject to change without f urther notice) 6.2.16 IOC91 (Low Time Register) The 8-bit Low time register controls the active or Low segment of the pulse.
EM78P259N/260N 8-Bit Microprocessor with OTP ROM 26 • Product Specification (V1.2 ) 05.18.2007 (This specification is sub ject to change without further notice) Bit 6 ~ Bit 4 (HTS2 ~ HTS0): High tim.
EM78P259N/260N 8-Bi t Micr oproce ssor w ith OTP RO M Product Specificat ion (V1.2) 05.1 8.2007 • 27 (This specificatio n is subject to change without f urther notice) 6.3 TCC/ WDT an d Prescaler There are two 8-bit counters available as prescalers that can be extended to 16-bit counter for the TCC and WDT re spectively .
EM78P259N/260N 8-Bit Microprocessor with OTP ROM 28 • Product Specification (V1.2 ) 05.18.2007 (This specification is sub ject to change without further notice) 8- Bi t c ount er WDT P r escaler 8 t.
EM78P259N/260N 8-Bi t Micr oproce ssor w ith OTP RO M Product Specificat ion (V1.2) 05.1 8.2007 • 29 (This specificatio n is subject to change without f urther notice) PCWR PCRD PDWR PDRD IOD 0 1 M U X PORT Q Q _ D D Q Q _ CLK P R C L CLK P R C L Note: Open-drain is not shown in the figure.
EM78P259N/260N 8-Bit Microprocessor with OTP ROM 30 • Product Specification (V1.2 ) 05.18.2007 (This specification is sub ject to change without further notice) PCRD M U X IOD 0 1 PDRD P50 ~ P57 PCWR D Q Q _ CLK P R C L PDWR D Q Q _ CLK P R C L P R C L CLK DQ Q _ TI n POR T Note: Pull-hi gh (down) is not shown in the figure.
EM78P259N/260N 8-Bi t Micr oproce ssor w ith OTP RO M Product Specificat ion (V1.2) 05.1 8.2007 • 31 (This specificatio n is subject to change without f urther notice) 6.4.1 Usage of Port 5 Inp ut Cha nge Wa ke- up/Interr upt Func tion (1) Wake-up (2) Wake-up and Interrupt (a) Before Sleep (a) Before Sleep 1.
EM78P259N/260N 8-Bit Microprocessor with OTP ROM 32 • Product Specification (V1.2 ) 05.18.2007 (This specification is sub ject to change without further notice) All I/O port pins are configured .
EM78P259N/260N 8-Bi t Micr oproce ssor w ith OTP RO M Product Specificat ion (V1.2) 05.1 8.2007 • 33 (This specificatio n is subject to change without f urther notice) Case [c] If Comparator output st atus change is used to wake-up the EM78P259N/ 260N and CMPWE bit of the RE register is enabled before SLEP , WDT must be disabled by software.
EM78P259N/260N 8-Bit Microprocessor with OTP ROM 34 • Product Specification (V1.2 ) 05.18.2007 (This specification is sub ject to change without further notice) 6.5.1.1 W ake-Up and Interrupt Modes Operation Summary All categories under Wake-up and Interru pt modes are summarized below.
EM78P259N/260N 8-Bi t Micr oproce ssor w ith OTP RO M Product Specificat ion (V1.2) 05.1 8.2007 • 35 (This specificatio n is subject to change without f urther notice) Signal Sleep Mode Norma l Mo de RE (CMPWE) Bit2=0, IOCE0 (CMPIE) Bit4=0 IOCF0 (CMPIE) Bit4=0 Comparator output st atus changed wake-up is inv alid.
EM78P259N/260N 8-Bit Microprocessor with OTP ROM 36 • Product Specification (V1.2 ) 05.18.2007 (This specification is sub ject to change without further notice) 6.5. 1.2 Reg ister Ini tial V al ues after Re set The following summarizes the init ialized valu es for registers.
EM78P259N/260N 8-Bi t Micr oproce ssor w ith OTP RO M Product Specificat ion (V1.2) 05.1 8.2007 • 37 (This specificatio n is subject to change without f urther notice) Address Name Reset Type Bit 7 .
EM78P259N/260N 8-Bit Microprocessor with OTP ROM 38 • Product Specification (V1.2 ) 05.18.2007 (This specification is sub ject to change without further notice) Address Name Reset Type Bit 7 Bit 6 B.
EM78P259N/260N 8-Bi t Micr oproce ssor w ith OTP RO M Product Specificat ion (V1.2) 05.1 8.2007 • 39 (This specificatio n is subject to change without f urther notice) Address Name Reset Type Bit 7 .
EM78P259N/260N 8-Bit Microprocessor with OTP ROM 40 • Product Specification (V1.2 ) 05.18.2007 (This specification is sub ject to change without further notice) Address Na me Reset Type Bit 7 Bit 6 .
EM78P259N/260N 8-Bi t Micr oproce ssor w ith OTP RO M Product Specificat ion (V1.2) 05.1 8.2007 • 41 (This specificatio n is subject to change without f urther notice) 6.5.2 The T and P Status under STATUS (R3) R egister A reset condition is initiated by one of the following events : 1.
EM78P259N/260N 8-Bit Microprocessor with OTP ROM 42 • Product Specification (V1.2 ) 05.18.2007 (This specification is sub ject to change without further notice) The ex tern al int erru pt has an on- chip d igit al nois e rej ecti on ci rcuit . Input puls e less than 8 system clock tim e is eliminated as noise.
EM78P259N/260N 8-Bi t Micr oproce ssor w ith OTP RO M Product Specificat ion (V1.2) 05.1 8.2007 • 43 (This specificatio n is subject to change without f urther notice) INT ENI/DISI IOD RFWR IOCFRD IOCFW R IRQ n IRQ m RFRD IOC F /RES ET /IRQ n VCC RF CLK CLK Q Q D P R L C _ P R L C Q Q _ D Fig.
EM78P259N/260N 8-Bit Microprocessor with OTP ROM 44 • Product Specification (V1.2 ) 05.18.2007 (This specification is sub ject to change without further notice) 6.
EM78P259N/260N 8-Bi t Micr oproce ssor w ith OTP RO M Product Specificat ion (V1.2) 05.1 8.2007 • 45 (This specificatio n is subject to change without f urther notice) Bit 1 (ADE1): AD converter ena.
EM78P259N/260N 8-Bit Microprocessor with OTP ROM 46 • Product Specification (V1.2 ) 05.18.2007 (This specification is sub ject to change without further notice) Bit 4 (ADRUN): ADC starts to RUN. 0 = res et on compl etio n of the c onve rsion. This bit cannot be rese t though so ftware.
EM78P259N/260N 8-Bi t Micr oproce ssor w ith OTP RO M Product Specificat ion (V1.2) 05.1 8.2007 • 47 (This specificatio n is subject to change without f urther notice) 6.7.2 ADC Data Register (ADDATA/RB, ADDATA1H/RC, ADDATA1L/RD) When the AD conversion is completed, the result is load ed to the ADDA T A, ADDA T A1H and ADDA T A1L registers.
EM78P259N/260N 8-Bit Microprocessor with OTP ROM 48 • Product Specification (V1.2 ) 05.18.2007 (This specification is sub ject to change without further notice) 3. ADWE bit of the RE register is set to “1.” Wake-up from ADC conversion (where it remains in operation during sleep mode).
EM78P259N/260N 8-Bi t Micr oproce ssor w ith OTP RO M Product Specificat ion (V1.2) 05.1 8.2007 • 49 (This specificatio n is subject to change without f urther notice) NOTE In order to obtain accurat e values, it is necessary to av oid any data tr ansition on th e I/O pins dur ing AD conversion .
EM78P259N/260N 8-Bit Microprocessor with OTP ROM 50 • Product Specification (V1.2 ) 05.18.2007 (This specification is sub ject to change without further notice) RETI INITIAL: MOV A,@0B00000001 ; To .
EM78P259N/260N 8-Bi t Micr oproce ssor w ith OTP RO M Product Specificat ion (V1.2) 05.1 8.2007 • 51 (This specificatio n is subject to change without f urther notice) 6.8 Infrared Remote Contr ol Application/PWM W aveform Generation 6.8.1 Overview This LSI can easily output infrared carr i er or PWM standard waveform.
EM78P259N/260N 8-Bit Microprocessor with OTP ROM 52 • Product Specification (V1.2 ) 05.18.2007 (This specification is sub ject to change without further notice) When an interrupt is generated by the.
EM78P259N/260N 8-Bi t Micr oproce ssor w ith OTP RO M Product Specificat ion (V1.2) 05.1 8.2007 • 53 (This specificatio n is subject to change without f urther notice) The following figure shows LGP=0 an d HF= 1 . The IR OUT waveform modu lates the Fcarrier waveform at low time segments of the pu lse.
EM78P259N/260N 8-Bit Microprocessor with OTP ROM 54 • Product Specification (V1.2 ) 05.18.2007 (This specification is sub ject to change without further notice) The following figure show s LGP=1 and HF=1 . When this bit is set to high level, t he high time segment of the pulse is ignored.
EM78P259N/260N 8-Bi t Micr oproce ssor w ith OTP RO M Product Specificat ion (V1.2) 05.1 8.2007 • 55 (This specificatio n is subject to change without f urther notice).
EM78P259N/260N 8-Bit Microprocessor with OTP ROM 56 • Product Specification (V1.2 ) 05.18.2007 (This specification is sub ject to change without further notice) 6.9 Timer/Counter 6.9.1 Overview Timer A (TCCA) is an 8-bit clock counter. Timer B (TCCB) is a 16-bit clock counter.
EM78P259N/260N 8-Bi t Micr oproce ssor w ith OTP RO M Product Specificat ion (V1.2) 05.1 8.2007 • 57 (This specificatio n is subject to change without f urther notice) Under TCCBH / MSB Counter (IOC71): TCCBH /MSB (I OC71) is an 8-bi t cl ock count er is for the most si gnifi cant byte of TCCBX (TCCBH).
EM78P259N/260N 8-Bit Microprocessor with OTP ROM 58 • Product Specification (V1.2 ) 05.18.2007 (This specification is sub ject to change without further notice) 6.9.3 Programming the Related Registers When defining TCCX, refer to it s related registers operation as shown in the tables below .
EM78P259N/260N 8-Bi t Micr oproce ssor w ith OTP RO M Product Specificat ion (V1.2) 05.1 8.2007 • 59 (This specificatio n is subject to change without f urther notice) 6.10.1 External Reference Signal The analog signal that is presented at Cin– compares to the signal at Cin+.
EM78P259N/260N 8-Bit Microprocessor with OTP ROM 60 • Product Specification (V1.2 ) 05.18.2007 (This specification is sub ject to change without further notice) 6.10.3 Using a Comparator as an Operation Amplifier The comparator can be us ed as an operation amplifier if a feedback resistor is externally connected from the input to the output.
EM78P259N/260N 8-Bi t Micr oproce ssor w ith OTP RO M Product Specificat ion (V1.2) 05.1 8.2007 • 61 (This specificatio n is subject to change without f urther notice) 6.
EM78P259N/260N 8-Bit Microprocessor with OTP ROM 62 • Product Specification (V1.2 ) 05.18.2007 (This specification is sub ject to change without further notice) 6.11.2 Crystal Oscillator/Ceramic Resonators (Crystal) The EM 78P2 59N/ 260N c an be dri ven by an ext ern al cl ock s ignal t hro ugh the O SCI pin as illustrated below .
EM78P259N/260N 8-Bi t Micr oproce ssor w ith OTP RO M Product Specificat ion (V1.2) 05.1 8.2007 • 63 (This specificatio n is subject to change without f urther notice) Circuit diagrams for serial and parallel modes Crysta l/Resonator : OSCI EM 78P259N EM 78P260N C 7404 330 330 Crysta l 7404 7404 Fig.
EM78P259N/260N 8-Bit Microprocessor with OTP ROM 64 • Product Specification (V1.2 ) 05.18.2007 (This specification is sub ject to change without further notice) Based on the above reasons, it must b.
EM78P259N/260N 8-Bi t Micr oproce ssor w ith OTP RO M Product Specificat ion (V1.2) 05.1 8.2007 • 65 (This specificatio n is subject to change without f urther notice) 6.12 Pow er- on Considerations Any microcontroller is not warranted to sta rt operating properly before the power supply stabilizes in its steady state.
EM78P259N/260N 8-Bit Microprocessor with OTP ROM 66 • Product Specification (V1.2 ) 05.18.2007 (This specification is sub ject to change without further notice) 6.12.3 Residual Voltage Protection When the battery is replaced, device power (Vdd) is remo ve d but the residual voltage remains.
EM78P259N/260N 8-Bi t Micr oproce ssor w ith OTP RO M Product Specificat ion (V1.2) 05.1 8.2007 • 67 (This specificatio n is subject to change without f urther notice) 6.13 Code Option EM78P259N/260N has two Code option words and one Customer ID word that are not part of the normal pr ogram memory .
EM78P259N/260N 8-Bit Microprocessor with OTP ROM 68 • Product Specification (V1.2 ) 05.18.2007 (This specification is sub ject to change without further notice) Bit 3 (HLP): Pow er consumption selec.
EM78P259N/260N 8-Bi t Micr oproce ssor w ith OTP RO M Product Specificat ion (V1.2) 05.1 8.2007 • 69 (This specificatio n is subject to change without f urther notice) Bit 7 (WDTPS) : WDT Time -out Period Selection bit WDT Time Watchdo g Tim e * 1 18 ms 0 4.
EM78P259N/260N 8-Bit Microprocessor with OTP ROM 70 • Product Specification (V1.2 ) 05.18.2007 (This specification is sub ject to change without further notice) Convention: R = Register design ator that specifies which on e of the registers (including operation and general purpose registers) is to be utilized b y the instruction.
EM78P259N/260N 8-Bi t Micr oproce ssor w ith OTP RO M Product Specificat ion (V1.2) 05.1 8.2007 • 71 (This specificatio n is subject to change without f urther notice) Instruction B inary HEX Mnemon.
EM78P259N/260N 8-Bit Microprocessor with OTP ROM 72 • Product Specification (V1.2 ) 05.18.2007 (This specification is sub ject to change without further notice) 8 DC Electrical Characteristics T a=25 ° C, V DD=5.
EM78P259N/260N 8-Bi t Micr oproce ssor w ith OTP RO M Product Specificat ion (V1.2) 05.1 8.2007 • 73 (This specificatio n is subject to change without f urther notice) Symbol Param eter Condition Mi.
EM78P259N/260N 8-Bit Microprocessor with OTP ROM 74 • Product Specification (V1.2 ) 05.18.2007 (This specification is sub ject to change without further notice) 8.1 AD Conv erter Characteristics Vdd= 2.5V t o 5.5V , Vss =0V, T a=25 ° C Symbol Parameter Condition Min.
EM78P259N/260N 8-Bi t Micr oproce ssor w ith OTP RO M Product Specificat ion (V1.2) 05.1 8.2007 • 75 (This specificatio n is subject to change without f urther notice) 8.2 Comparator (OP) Characteristics Vdd = 5.0V , Vss=0V , T a=25 ° C Symbol Parameter C ondition Min.
EM78P259N/260N 8-Bit Microprocessor with OTP ROM 76 • Product Specification (V1.2 ) 05.18.2007 (This specification is sub ject to change without further notice) I RC OS C Fr e que ncy ( V D D = 5V ) 0 1 2 3 4 5 6 7 8 9 10 - 4 0 - 2 0 0 2 55 07 08 5 T em p er at ur e ( ℃ ) Fr e que ncy ( M H z) Fig.
EM78P259N/260N 8-Bi t Micr oproce ssor w ith OTP RO M Product Specificat ion (V1.2) 05.1 8.2007 • 77 (This specificatio n is subject to change without f urther notice) 10 Timing Diagrams RESET Timin.
EM78P259N/260N 8-Bit Microprocessor with OTP ROM 78 • Product Specification (V1.2 ) 05.18.2007 (This specification is sub ject to change without further notice) APPENDIX A Package Type OTP MCU Packa.
EM78P259N/260N 8-Bi t Micr oproce ssor w ith OTP RO M Product Specificat ion (V1.2) 05.1 8.2007 • 79 (This specificatio n is subject to change without f urther notice) B.
EM78P259N/260N 8-Bit Microprocessor with OTP ROM 80 • Product Specification (V1.2 ) 05.18.2007 (This specification is sub ject to change without further notice) B.
EM78P259N/260N 8-Bi t Micr oproce ssor w ith OTP RO M Product Specificat ion (V1.2) 05.1 8.2007 • 81 (This specificatio n is subject to change without f urther notice) B.
EM78P259N/260N 8-Bit Microprocessor with OTP ROM 82 • Product Specification (V1.2 ) 05.18.2007 (This specification is sub ject to change without further notice) B.
EM78P259N/260N 8-Bi t Micr oproce ssor w ith OTP RO M Product Specificat ion (V1.2) 05.1 8.2007 • 83 (This specificatio n is subject to change without f urther notice) C Quality Assurance and Reliab.
An important point after buying a device IBM Elan EM78P259N/260N (or even before the purchase) is to read its user manual. We should do this for several simple reasons:
If you have not bought IBM Elan EM78P259N/260N yet, this is a good time to familiarize yourself with the basic data on the product. First of all view first pages of the manual, you can find above. You should find there the most important technical data IBM Elan EM78P259N/260N - thus you can check whether the hardware meets your expectations. When delving into next pages of the user manual, IBM Elan EM78P259N/260N you will learn all the available features of the product, as well as information on its operation. The information that you get IBM Elan EM78P259N/260N will certainly help you make a decision on the purchase.
If you already are a holder of IBM Elan EM78P259N/260N, but have not read the manual yet, you should do it for the reasons described above. You will learn then if you properly used the available features, and whether you have not made any mistakes, which can shorten the lifetime IBM Elan EM78P259N/260N.
However, one of the most important roles played by the user manual is to help in solving problems with IBM Elan EM78P259N/260N. Almost always you will find there Troubleshooting, which are the most frequently occurring failures and malfunctions of the device IBM Elan EM78P259N/260N along with tips on how to solve them. Even if you fail to solve the problem, the manual will show you a further procedure – contact to the customer service center or the nearest service center
