TS87C51RC2 데이터 시트보기 (PDF) - International Rectifier

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TS87C51RC2

High Performance 8-bit Microcontroller

International Rectifier 

Figure 6-6. PCA Capture Mode

CF CR

CCF4 CCF3 CCF2 CCF1 CCF0 CCON

0xD8

PCA IT

Cex.n

Capture

PCA Counter/Timer

CH

CL

CCAPnH

CCAPnL

ECOMn CAPPn CAPNn MATn TOGn PWMn ECCFn CCAPMn, n= 0 to 4

0xDA to 0xDE

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).

30 AT/TS8xC51Rx2

4188E–8051–08/06

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