83C754 Datasheet, PDF (14/26 Pages) NXP Semiconductors – 80C51 8-bit microcontroller family 4K/256 OTP/ROM, DAC, comparator, UART, reference

Philips Semiconductors
80C51 8-bit microcontroller family
4K/256 OTP/ROM, DAC, comparator, UART, reference
Preliminary specification
83C754/87C754
WRITE TO
CCAPH RESET
CF
CR
––
CCF
––
––
––
––
CCON
(D8H)
WRITE TO
CCAPL
0
1
ENABLE
CCAPH
CCAPL
16–BIT COMPARATOR
(TO CCF)
MATCH
PCA INTERRUPT
CH
CL
PCA TIMER/COUNTER
––
ECOM
CAPP
CAPN
MAT
TOG
PWM
ECCF
CCAPM
0
0
0
0
Figure 13. PCA Compare Mode
SU00679A
WRITE TO
CCAPH RESET
CF
CR
––
CCF
––
––
––
––
CCON
(D8H)
WRITE TO
CCAPL
0
1
CCAPH
CCAPL
ENABLE
16–BIT COMPARATOR
(TO CCF4)
MATCH
PCA INTERRUPT
CH
CL
PCA TIMER/COUNTER
TOGGLE
CEX
––
ECOM
CAPP
CAPN
MAT
TOG
0
0
1
Figure 14. PCA High Speed Output Mode
PWM
0
ECCF
CCAPM
SU00680A
1998 Apr 23
14