83C576 Philips Semiconductors, 83C576 Datasheet - Page 12

• Manufacturer Part Number: 83C576
• Description: 80C51 8-bit microcontroller family 8K/256 OTP/ROM/ 6 channel 10-bit A/D/ 4 comparators/ failure detect circuitry/ watchdog timer
• Manufacturer: Philips Semiconductors

Philips Semiconductors
1998 Jun 04
80C51 8-bit microcontroller family
8K/256 OTP/ROM, 6 channel 10-bit A/D, 4 comparators,
failure detect circuitry, watchdog timer
EXTERNAL INPUT
PCA TIMER/COUNTER
IDLE
(P2.7/ECI)
OVERFLOW
TIMER 0
OSC/12
OSC/4
MODULE 0
MODULE 1
MODULE 2
MODULE 3
MODULE 4
CMOD.0
ECF
CIDL
CF
CCAPMn.0
CF
00
01
10
11
Figure 4.
WDTE
Figure 3. PCA Timer/Counter
CR
DECODE
CR
ECCFn
––
––
PCA Interrupt System
––
12
CCF4
––
CCF4
CCF3
––
CCF3
16–BIT UP COUNTER
CH
CCF2
CPS1
CCF2
CCF1
CPS0
CL
IE1.0
IE1.1
IE0.6
IE1.2
IE1.3
IE1.4
EC0
EC1
EC2
EC3
EC4
EC
CCF1
OVERFLOW
CCF0
83C576/87C576
ECF
MODULES
IE0.7
IE0.7
IE0.7
IE0.7
IE0.7
IE0.7
TO PCA
CCF0
EA
EA
EA
EA
EA
EA
CMOD
CCON
(D9H)
(D8H)
CCON
(D8H)
Product specification
INTERRUPT
TO
INTERRUPT
PRIORITY
DECODER
TO
INTERRUPT
PRIORITY
DECODER
TO
INTERRUPT
PRIORITY
DECODER
TO
INTERRUPT
PRIORITY
DECODER
TO
INTERRUPT
PRIORITY
DECODER
TO
INTERRUPT
PRIORITY
DECODER
SU00516
SU00579