參數(shù)資料
型號(hào): T89C51RD2-RDVIM
廠商: ATMEL CORP
元件分類: 微控制器/微處理器
英文描述: 0 to 40 MHz Flash Programmable 8-bit Microcontroller
中文描述: 8-BIT, FLASH, 40 MHz, MICROCONTROLLER, PQFP64
封裝: VQFP-64
文件頁數(shù): 28/104頁
文件大小: 798K
代理商: T89C51RD2-RDVIM
28
T89C51RD2
4243G
8051
05/03
There are two additional registers associated with each of the PCA modules. They are
CCAPnH and CCAPnL and these are the registers that store the 16-bit count when a
capture occurs or a compare should occur. When a module is used in the PWM mode
these registers are used to control the duty cycle of the output (See Table 14 &
Table 15)
Table 14.
CCAPnH: PCA Modules Capture/Compare Registers High
Table 15.
CCAPnL: PCA Modules Capture/Compare Registers Low
Table 16.
CH: PCA Counter High
Table 17.
CL: PCA Counter Low
1
0
0
1
X
0
X
Watchdog Timer (module 4 only)
CCAPnH
Address
n = 0 - 4
CCAP0H=0FAH
CCAP1H=0FBH
CCAP2H=0FCH
CCAP3H=0FDH
CCAP4H=0FEH
7
6
5
4
3
2
1
0
Reset value
0
0
0
0
0
0
0
0
CCAPnL
Address
n = 0 - 4
CCAP0L=0EAH
CCAP1L=0EBH
CCAP2L=0ECH
CCAP3L=0EDH
CCAP4L=0EEH
7
6
5
4
3
2
1
0
Reset value
0
0
0
0
0
0
0
0
CH
Address 0F9H
7
6
5
4
3
2
1
0
Reset value
0
0
0
0
0
0
0
0
CL
Address 0E9H
7
6
5
4
3
2
1
0
Reset value
0
0
0
0
0
0
0
0
ECOMn
CAPPn
CAPNn
MATn
TOGn
PWMm
ECCFn
Module Function
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