參數(shù)資料
型號: MQ80C52CXXX-12:R
廠商: ATMEL CORP
元件分類: 微控制器/微處理器
英文描述: 8-BIT, MROM, 12 MHz, MICROCONTROLLER, CQFP44
封裝: CERAMIC, QFP-44
文件頁數(shù): 77/170頁
文件大?。?/td> 25028K
168
8272E–AVR–04/2013
ATmega164A/PA/324A/PA/644A/PA/1284/P
Note:
Assembly Code Example
SPI_MasterInit:
; Set MOSI and SCK output, all others input
ldi
r17,(1<<DD_MOSI)|(1<<DD_SCK)
out
DDR_SPI,r17
; Enable SPI, Master, set clock rate fck/16
ldi
r17,(1<<SPE)|(1<<MSTR)|(1<<SPR0)
out
SPCR,r17
ret
SPI_MasterTransmit:
; Start transmission of data (r16)
out
SPDR,r16
Wait_Transmit:
; Wait for transmission complete
sbis
SPSR,SPIF
rjmp
Wait_Transmit
ret
C Code Example
void
SPI_MasterInit(void)
{
/* Set MOSI and SCK output, all others input */
DDR_SPI = (1<<DD_MOSI)|(1<<DD_SCK);
/* Enable SPI, Master, set clock rate fck/16 */
SPCR = (1<<SPE)|(1<<MSTR)|(1<<SPR0);
}
void
SPI_MasterTransmit(char cData)
{
/* Start transmission */
SPDR = cData;
/* Wait for transmission complete */
while
(!(SPSR & (1<<SPIF)))
;
}
相關PDF資料
PDF描述
MQ80C52CXXX-25/883:D 8-BIT, MROM, 25 MHz, MICROCONTROLLER, CQFP44
MQ80C52TXXX-16:RD 8-BIT, MROM, 16 MHz, MICROCONTROLLER, CQFP44
MR80C52CXXX-25/883:RD 8-BIT, MROM, 25 MHz, MICROCONTROLLER, CQCC44
MR80C52TXXX-25SHXXX:R 8-BIT, MROM, 25 MHz, MICROCONTROLLER, CQCC44
MC80C32-16SHXXX:D 8-BIT, 16 MHz, MICROCONTROLLER, CDIP40
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