参数资料
型号: TSC87C51-L16IEB
厂商: ATMEL CORP
元件分类: 微控制器/微处理器
英文描述: 8-BIT, OTPROM, 16 MHz, MICROCONTROLLER, PQFP44
封装: 1.40 MM HEIGHT, VQFP-44
文件页数: 87/176页
文件大小: 2962K
代理商: TSC87C51-L16IEB
18
2535J–AVR–08/10
ATtiny13
The following code examples show one assembly and one C function for erase, write, or atomic
write of the EEPROM. The examples assume that interrupts are controlled (e.g., by disabling
interrupts globally) so that no interrupts will occur during execution of these functions.
Assembly Code Example
EEPROM_write:
; Wait for completion of previous write
sbic
EECR,EEPE
rjmp
EEPROM_write
; Set Programming mode
ldi
r16, (0<<EEPM1)|(0<<EEPM0)
out
EECR, r16
; Set up address (r17) in address register
out
EEARL, r17
; Write data (r16) to data register
out
EEDR,r16
; Write logical one to EEMPE
sbi
EECR,EEMPE
; Start eeprom write by setting EEPE
sbi
EECR,EEPE
ret
C Code Example
void
EEPROM_write(unsigned char ucAddress, unsigned char ucData)
{
/* Wait for completion of previous write */
while(EECR & (1<<EEPE))
;
/* Set Programming mode */
EECR = (0<<EEPM1)|(0>>EEPM0)
/* Set up address and data registers */
EEARL = ucAddress;
EEDR = ucData;
/* Write logical one to EEMPE */
EECR |= (1<<EEMPE);
/* Start eeprom write by setting EEPE */
EECR |= (1<<EEPE);
}
相关PDF资料
PDF描述
TSC87C51-20CBR 8-BIT, OTPROM, 20 MHz, MICROCONTROLLER, PQCC44
TSC87C51-25CIB 8-BIT, OTPROM, 25 MHz, MICROCONTROLLER, CQCC44
TSC87C51-33CBB 8-BIT, OTPROM, 33 MHz, MICROCONTROLLER, PQCC44
TSC87C52-33CDB 8-BIT, OTPROM, 33 MHz, MICROCONTROLLER, PQFP44
T89C51RD2-3CVCM 8-BIT, FLASH, 40 MHz, MICROCONTROLLER, PDIP40
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