- 您現(xiàn)在的位置：買賣IC網(wǎng) > PDF目錄364677 > AN1241D (飛思卡爾半導(dǎo)體(中國)有限公司) Interfacing the MC68HC705J1A to 9356/9366 EEPROMs PDF資料下載
參數(shù)資料
| 型號： | AN1241D |
| 廠商： | 飛思卡爾半導(dǎo)體(中國)有限公司 |
| 英文描述： | Interfacing the MC68HC705J1A to 9356/9366 EEPROMs |
| 中文描述： | 接口的MC68HC705J1A的九千三百六十六分之九千三百五十六的EEPROM |
| 文件頁數(shù)： | 15/21頁 |
| 文件大?。?/td> | 253K |
| 代理商： | AN1241D |
AN1241/D
15
*** WRAL - subroutine to write all EEPROM ********************************
J9356_WRAL lda #$80 ;load opcode
sta OPCODE
lda #$40 ;load addr
sta ADDR
bset CS,PORTA ;CS line is high
jsr J9356_WR_OP ;write opcode
jsr J9356_WR_ADDR ;write address
jsr J9356_WR_DATA ;write data
bclr SER_OUT,PORTA
bclr CS,PORTA ;CS line is low
jsr J9356_WAIT ;wait until EEPROM is ready
rts ;return
*** READ - subroutine to read EEPROM *************************************
J9356_READ lda #$C0 ;load opcode
sta OPCODE
bset CS,PORTA ;CS line is high
jsr J9356_WR_OP ;write opcode
jsr J9356_WR_ADDR ;write address
bset SER_CLK,PORTA ;clock the EE
bclr SER_CLK,PORTA
jsr J9356_RD_DATA ;read data
bclr SER_OUT,PORTA
bclr CS,PORTA ;CS line is low
rts ;return
*** ERASE - subroutine to erase EEPROM ***********************************
J9356_ERASE lda #$E0 ;load opcode
sta OPCODE
bset CS,PORTA ;CS line is high
jsr J9356_WR_OP ;write opcode
jsr J9356_WR_ADDR ;write address
bclr CS,PORTA ;CS line is low
jsr J9356_WAIT ;wait until EEPROM is ready
rts
*** ERAL - subroutine to erase all EEPROM ********************************
J9356_ERAL lda #$80 ;load opcode and addr
sta OPCODE
sta ADDR
bset CS,PORTA ;CS line is high
jsr J9356_WR_OP ;write opcode
jsr J9356_WR_ADDR ;write address
bclr CS,PORTA ;CS line is low
jsr J9356_WAIT ;wait until EEPROM is ready
rts
F
Freescale Semiconductor, Inc.
For More Information On This Product,
Go to: www.freescale.com
n
.
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| AN1432NT | AN1432NT - Variable output. low voltage operation shunt regulator |
| AN1434M | Analog IC |
| AN1434T | Analog IC |
| AN1458 | Voltage-Feedback Operational Amplifier |
| AN1458S | Voltage-Feedback Operational Amplifier |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| AN-1244 | 制造商:NSC 制造商全稱:National Semiconductor 功能描述:Photo-Diode Current-to-Voltage Converters |
| AN124952 | 制造商:AN# - MILITARY 功能描述: |
| AN124970 | 制造商: 功能描述: 制造商:undefined 功能描述: |
| AN124971 | 制造商:AN# - MILITARY 功能描述: |
| AN124972 | 制造商:AN# - MILITARY 功能描述: |
發(fā)布緊急采購，3分鐘左右您將得到回復(fù)。