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ATMEGA2560-16AU-SL383 参数 Datasheet PDF下载

ATMEGA2560-16AU-SL383图片预览
型号: ATMEGA2560-16AU-SL383
PDF下载: 下载PDF文件 查看货源
内容描述: [Microcontroller, 8-Bit, FLASH, AVR RISC CPU, 16MHz, CMOS, PQFP100, 14 X 14 MM, 1 MM HEIGHT, 0.50 MM PITCH, GREEN, PLASTIC, MS-026AED, TQFP-100]
分类和应用: 时钟微控制器
文件页数/大小: 448 页 / 7518 K
品牌: ATMEL [ ATMEL ]
 浏览型号ATMEGA2560-16AU-SL383的Datasheet PDF文件第136页浏览型号ATMEGA2560-16AU-SL383的Datasheet PDF文件第137页浏览型号ATMEGA2560-16AU-SL383的Datasheet PDF文件第138页浏览型号ATMEGA2560-16AU-SL383的Datasheet PDF文件第139页浏览型号ATMEGA2560-16AU-SL383的Datasheet PDF文件第141页浏览型号ATMEGA2560-16AU-SL383的Datasheet PDF文件第142页浏览型号ATMEGA2560-16AU-SL383的Datasheet PDF文件第143页浏览型号ATMEGA2560-16AU-SL383的Datasheet PDF文件第144页  
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Assembly Code Example(1)  
TIM16_ReadTCNTn:  
; Save global interrupt flag  
in r18,SREG  
; Disable interrupts  
cli  
; Read TCNTn into r17:r16  
in r16,TCNTnL  
in r17,TCNTnH  
; Restore global interrupt flag  
outSREG,r18  
ret  
C Code Example(1)  
unsigned int TIM16_ReadTCNTn( void )  
{
unsigned char sreg;  
unsigned int i;  
/* Save global interrupt flag */  
sreg = SREG;  
/* Disable interrupts */  
__disable_interrupt();  
/* Read TCNTn into i */  
i = TCNTn;  
/* Restore global interrupt flag */  
SREG = sreg;  
return i;  
}
Note:  
1. See “About Code Examples” on page 10.  
The assembly code example returns the TCNTn value in the r17:r16 register pair.  
140  
ATmega640/1280/1281/2560/2561  
2549L–AVR–08/07  
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