參數(shù)資料
型號： T89C51RC2-3CWCL
廠商： Atmel Corp.
英文描述： 8-bit Microcontroller with 16 Kbytes/ 32 Kbytes FLASH
中文描述： 8位微控制器，帶有16字節(jié)/ 32千字節(jié)閃存
文件頁數(shù)： 123/170頁
文件大?。?/td> 1927K
代理商： T89C51RC2-3CWCL
123
A/T89C51CC01
4129L–CAN–08/05
Figure 53.
PCA Timer/Counter
The CMOD register includes three additional bits associated with the PCA.
The CIDL bit which allows the PCA to stop during idle mode.
The WDTE bit which enables or disables the Watchdog function on module 4.
The ECF bit which when set causes an interrupt and the PCA overflow flag CF in
CCON register to be set when the PCA timer overflows.
The CCON register contains the run control bit for the PCA and the flags for the PCA
timer and each module.
The CR bit must be set to run the PCA. The PCA is shut off by clearing this bit.
The CF bit is set when the PCA counter overflows and an interrupt will be generated
if the ECF bit in CMOD register is set. The CF bit can only be cleared by software.
The CCF0:4 bits are the flags for the modules (CCF0 for module0...) and are set by
hardware when either a match or a capture occurs. These flags also can be cleared
by software.
PCA Modules
Each one of the five compare/capture modules has six possible functions. It can
perform:
16-bit Capture, positive-edge triggered
16-bit Capture, negative-edge triggered
16-bit Capture, both positive and negative-edge triggered
16-bit Software Timer
16-bit High Speed Output
8-bit Pulse Width Modulator.
In addition module 4 can be used as a Watchdog Timer.
CIDL
CPS1
CPS0
ECF
It
CH
CL
16 bit up counter
To PCA
modules
FPca/6
FPca/2
T0 OVF
P1.2
Idle
CMOD
0xD9
WDTE
CF
CR
CCON
0xD8
CCF4 CCF3
CCF2
CCF1
CCF0
overflow
相關PDF資料
PDF描述
T89C51RB2-3CWCL 8-bit Microcontroller with 16 Kbytes/ 32 Kbytes FLASH
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相關代理商/技術參數(shù)
參數(shù)描述
T89C51RC2-3CWCM 制造商:ATMEL 制造商全稱:ATMEL Corporation 功能描述:8-bit Microcontroller with 16 Kbytes/ 32 Kbytes FLASH
T89C51RC2-3CWIL 制造商:ATMEL 制造商全稱:ATMEL Corporation 功能描述:8-bit Microcontroller with 16 Kbytes/ 32 Kbytes FLASH
T89C51RC2-3CWIM 制造商:ATMEL 制造商全稱:ATMEL Corporation 功能描述:8-bit Microcontroller with 16 Kbytes/ 32 Kbytes FLASH
T89C51RC2-RLBCL 制造商:ATMEL 制造商全稱:ATMEL Corporation 功能描述:8-bit Microcontroller with 16 Kbytes/ 32 Kbytes FLASH
T89C51RC2-RLBCM 制造商:ATMEL 制造商全稱:ATMEL Corporation 功能描述:8-bit Microcontroller with 16 Kbytes/ 32 Kbytes FLASH
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