參數(shù)資料
型號： AT83C51RB2XXX-SLSIL
廠商： ATMEL CORP
元件分類： 微控制器/微處理器
英文描述： Microcontroller
中文描述： 8-BIT, MROM, 40 MHz, MICROCONTROLLER, PQCC44
封裝： PLASTIC, LCC-44
文件頁數(shù)： 27/81頁
文件大?。?/td> 1082K
代理商： AT83C51RB2XXX-SLSIL
28
AT80C51RD2/AT83C51Rx2
4113A–8051–09/02
Table 13 shows the CCAPMn settings for the various PCA functions.
Table 13.
CCAPMn Registers (n = 0-4)
CCAPM0 - PCA Module 0 Compare/Capture Control Register (0DAh)
CCAPM1 - PCA Module 1 Compare/Capture Control Register (0DBh)
CCAPM2 - PCA Module 2 Compare/Capture Control Register (0DCh)
CCAPM3 - PCA Module 3 Compare/Capture Control Register (0DDh)
CCAPM4 - PCA Module 4 Compare/Capture Control Register (0DEh)
Reset Value = X000 0000b
Not bit addressable
7
6
5
4
3
2
1
0
-
ECOMn
CAPPn
CAPNn
MATn
TOGn
PWMn
ECCFn
Bit
Number
Bit
Mnemonic
Description
7
-
Reserved
The value read from this bit is indeterminate. Do not set this bit.
6
ECOMn
Enable Comparator
Cleared to disable the comparator function.
Set to enable the comparator function.
5
CAPPn
Capture Positive
Cleared to disable positive edge capture.
Set to enable positive edge capture.
4
CAPNn
Capture Negative
Cleared to disable negative edge capture.
Set to enable negative edge capture.
3
MATn
Match
When MATn = 1, a match of the PCA counter with this module's
compare/capture register causes the CCFn bit in CCON to be set, flagging an
interrupt.
2
TOGn
Toggle
When TOGn = 1, a match of the PCA counter with this module's
compare/capture register causes the CEXn pin to toggle.
1
PWMn
Pulse Width Modulation Mode
Cleared to disable the CEXn pin to be used as a pulse width modulated output.
Set to enable the CEXn pin to be used as a pulse width modulated output.
0
CCF0
Enable CCF interrupt
Cleared to disable compare/capture flag CCFn in the CCON register to generate
an interrupt.
Set to enable compare/capture flag CCFn in the CCON register to generate an
interrupt.
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