83C576 Datasheet, PDF (16/46 Pages) NXP Semiconductors – 80C51 8-bit microcontroller family 8K/256 OTP/ROM, 6 channel 10-bit A/D, 4 comparators, failure detect circuitry, watchdog timer

Philips Semiconductors
80C51 8-bit microcontroller family
8K/256 OTP/ROM, 6 channel 10-bit A/D, 4 comparators,
failure detect circuitry, watchdog timer
Product specification
83C576/87C576
WRITE TO
CCAPnH RESET
WRITE TO
CCAPnL
0
1
ENABLE
CF
CR
––
CCF4
CCF3
CCF2
CCF1
CCF0
CCON
(D8H)
CCAPnH
CCAPnL
(TO CCFn)
PCA INTERRUPT
16–BIT COMPARATOR
MATCH
CH
CL
PCA TIMER/COUNTER
TOGGLE
CEXn
––
ECOMn CAPPn CAPNn MATn
TOGn
PWMn
ECCFn
CCAPMn, n: 0..4
(DAH – DEH)
0
0
1
0
Figure 11. PCA High Speed Output Mode
SU00751
CCAPnH
ENABLE
OVERFLOW
CCAPnL
8–BIT
COMPARATOR
0
CL < CCAPnL
CL >= CCAPnL
1
CL
PCA TIMER/COUNTER
CEXn
––
ECOMn CAPPn CAPNn MATn
TOGn
PWMn ECCFn
0
0
0
0
0
Figure 12. PCA PWM Mode
CCAPMn, n: 0..4
(DAH – DEH)
SU00752
1998 Jun 04
16