參數(shù)資料
型號(hào)： IT80C52EXXX-30SHXXX:R
廠商： TEMIC SEMICONDUCTORS
元件分類： 微控制器/微處理器
英文描述： 8-BIT, MROM, 30 MHz, MICROCONTROLLER, PQFP44
文件頁(yè)數(shù)： 16/60頁(yè)
文件大?。?/td> 5137K
23
8266D-MCU Wireless-06/12
ATmega128RFA1
C Code Example (Atomic Operation)
void EEPROM_atomic_write(unsigned int uiAddress, unsigned char ucData)
{
/* Wait for completion of previous write */
while(EECR & (1<<EEPE))
;
/* Set up address and Data Registers */
EEAR = uiAddress;
EEDR = ucData;
/* Write logical one to EEMPE */
EECR |= (1<<EEMPE);
/* Start eeprom write by setting EEPE */
EECR |= (1<<EEPE);
}
The next code examples show assembly and C functions for reading the EEPROM. The
examples assume that interrupts are controlled so that no interrupts will occur during
execution of these functions.
Assembly Code Example (EEPROM Read)
EEPROM_read:
; Wait for completion of previous write
sbic EECR,EEPE
rjmp EEPROM_read
; Set up address (r18:r17) in address register
out EEARH, r18
out EEARL, r17
; Start eeprom read by writing EERE
sbi EECR,EERE
; Read data from Data Register
in r16,EEDR
ret
C Code Example (EEPROM Read)
unsigned char EEPROM_read(unsigned int uiAddress)
{
/* Wait for completion of previous write */
while(EECR & (1<<EEPE))
;
/* Set up address register */
EEAR = uiAddress;
/* Start eeprom read by writing EERE */
EECR |= (1<<EERE);
/* Return data from Data Register */
return EEDR;
}
相關(guān)PDF資料
PDF描述
MC80C52CXXX-20/883D 8-BIT, MROM, 20 MHz, MICROCONTROLLER, CDIP40
MR80C52CXXX-25SB 8-BIT, MROM, 25 MHz, MICROCONTROLLER, CQCC44
MR80C52UXXX-25 8-BIT, MROM, 25 MHz, MICROCONTROLLER, CQCC44
IS80C32U-S 8-BIT, 20 MHz, MICROCONTROLLER, PQCC44
IV80C52UXXX-S 8-BIT, MROM, 20 MHz, MICROCONTROLLER, PQFP44
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
IT80F 制造商:未知廠家 制造商全稱:未知廠家 功能描述:TRIAC|50V V(DRM)|8A I(T)RMS|TO-220
IT80G 制造商:未知廠家 制造商全稱:未知廠家 功能描述:TRIAC|50V V(DRM)|8A I(T)RMS|TO-220
IT810B 制造商:未知廠家 制造商全稱:未知廠家 功能描述:Analog IC
IT8152FG 制造商:未知廠家 制造商全稱:未知廠家 功能描述:Specification|Errata_v0.1 for it8152fg_v0.3.4
IT8172G 制造商:未知廠家 制造商全稱:未知廠家 功能描述:RISC Companion Chip|Errata v0.2 for it8172g_v0.6
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