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參數(shù)資料
| 型號： | X24C01 |
| 英文描述： | Serial EEPROM(二線接口串行EEPROM(128×8)) |
| 中文描述： | 串行EEPROM（二線接口串行EEPROM中（128 × 8）） |
| 文件頁數(shù)： | 3/6頁 |
| 文件大?。?/td> | 24K |
| 代理商： | X24C01 |
Xicor Application Note
AN33
AN33-3
JSR
BRA
ACKPOL
*
PERFORM ACK POLLING
LOOP UNTIL RESET
**********************************************************************
* READ A BYTE "RANDOM READ SEQUENCE". THE ADDRESS TO READ IS STORED *
* IN ADDR. THE DATA FROM THE DUT IS STORED IN DATA. *
**********************************************************************
RDBYT:
JSR
START
READ A BYTE FROM THE ADDRESS INDICATED
LDAA
ADDR
IN 'ADDR'
ASLA
ORAA
#$01
BUILD WORD ADDRESS
STAA
DATA
JSR
OUTBYT
SEND WORD ADDRESS
JSR
NACK
SET SDA HIGH TO RECEIVE ACKNOWLEDGE
JSR
INBYT
READ DATA FROM X24C01
JSR
NACK
CLOCK WITHOUT ACKNOWLEDGE
JSR
STOP
SEND STOP COMMAND
RTS
***********************************************************************
* WRITE A BYTE "BYTE WRITE SEQUENCE". THE ADDRESS TO WRITE IS STORED *
* IN ADDR. THE DATA TO WRITE IS STORED IN DATA. *
***********************************************************************
WRBYT:
LDAA
DATA
WRITE TO BYTE POINTED TO BY ADDR THE
PSHA
JSR
START
SEND START COMMAND
LDAA
ADDR
ASLA
STAA
DATA
JSR
OUTBYT
SEND WORD ADDRESS
JSR
NACK
SET SDA HIGH TO RECEIVE ACKNOWLEDGE
PULA
STAA
DATA
JSR
OUTBYT
SEND WRITE DATA
JSR
NACK
SET SDA HIGH TO RECEIVE ACKNOWLEDGE
JSR
STOP
SEND STOP
RTS
VALUE IN LOCATION 'DATA'
*****************************************************************
* READ 8 BITS FROM THE DUT. THE RESULTS ARE RETURNED IN DATA. *
*****************************************************************
INBYT:
LDAA
STAA
JSR
LDAA
STAA
LDAB
JSR
LSRA
ROLB
DEC
BNE
#SDAIN
DDRD,X
CLOCK
#$08
COUNT
#$00
CLOCK
MAKE SDA AN INPUT
GET ACK BEFORE READ
PREPARE TO SHIFT IN 8 BITS
LOOPI:
CLOCK DATA
COUNT
LOOPI
LOOP UNTIL 8 BITS ARE READ
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PDF描述 |
|---|---|
| X24C02(中文) | Serial EEPROM(寫保護引腳,串行EEPROM) |
| X24C02 | Serial EEPROM(寫保護引腳,串行EEPROM) |
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| X24C01A | 制造商:ICMIC 制造商全稱:IC MICROSYSTEMS 功能描述:Serial E2PROM |
| X24C01AP | 制造商:XICOR 制造商全稱:Xicor Inc. 功能描述:Serial E2PROM |
| X24C01AP-3 | 制造商:ICMIC 制造商全稱:IC MICROSYSTEMS 功能描述:Serial E2PROM |
| X24C01AP-3.5 | 制造商:ICMIC 制造商全稱:IC MICROSYSTEMS 功能描述:Serial E2PROM |
| X24C01APG | 制造商:ICMIC 制造商全稱:IC MICROSYSTEMS 功能描述:Serial E2PROM |
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