83C576 Datasheet, PDF (12/46 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
OSC/12
OSC/4
TIMER 0
OVERFLOW
EXTERNAL INPUT
(P2.7/ECI)
IDLE
TO PCA
MODULES
CH
CL
16–BIT UP COUNTER
OVERFLOW
INTERRUPT
00
01
10 DECODE
11
CIDL WDTE
––
––
––
CPS1
CPS0
ECF
CMOD
(D9H)
PCA TIMER/COUNTER
MODULE 0
MODULE 1
MODULE 2
MODULE 3
MODULE 4
CMOD.0 ECF
1998 Jun 04
CF
CR
––
CCF4
CCF3
CCF2
CCF1
CCF0
CCON
(D8H)
Figure 3. PCA Timer/Counter
SU00516
CF
CR
––
CCF4
CCF3
CCF2
CCF1
CCF0
CCON
(D8H)
CCAPMn.0 ECCFn
Figure 4. PCA Interrupt System
12
IE1.0
EC0
IE0.7
EA
IE1.1
EC1
IE0.7
EA
IE0.6
EC
IE0.7
EA
IE1.2
EC2
IE0.7
EA
IE1.3
EC3
IE0.7
EA
IE1.4
EC4
IE0.7
EA
TO
INTERRUPT
PRIORITY
DECODER
TO
INTERRUPT
PRIORITY
DECODER
TO
INTERRUPT
PRIORITY
DECODER
TO
INTERRUPT
PRIORITY
DECODER
TO
INTERRUPT
PRIORITY
DECODER
TO
INTERRUPT
PRIORITY
DECODER
SU00579