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AT80C51RA2-RLSIV Datasheet(PDF) 30 Page - International Rectifier

Part # AT80C51RA2-RLSIV
Description  High Performance 8-bit Microcontroller
PDF  85 Pages
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Manufacturer  IRF [International Rectifier]
Direct Link  http://www.irf.com
Logo IRF - International Rectifier

AT80C51RA2-RLSIV Datasheet(HTML) 30 Page - International Rectifier

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4188E–8051–08/06
AT/TS8xC51Rx2
Figure 6-6.
PCA Capture Mode
6.3.2
16-bit Software Timer/ Compare Mode
The PCA modules can be used as software timers by setting both the ECOM and MAT bits in
the modules CCAPMn register. The PCA timer will be compared to the module's capture regis-
ters and when a match occurs an interrupt will occur if the CCFn (CCON SFR) and the ECCFn
(CCAPMn SFR) bits for the module are both set (See Figure 6-7).
CF
CR
CCON
0xD8
CH
CL
CCAPnH
CCAPnL
CCF4 CCF3
CCF2
CCF1
CCF0
PCA IT
PCA Counter/Timer
ECOMn
CCAPMn, n= 0 to 4
0xDA to 0xDE
CAPNn MATn TOGn PWMn ECCFn
CAPPn
Cex.n
Capture



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