87C575 Philips Semiconductors, 87C575 Datasheet - Page 11

• Manufacturer Part Number: 87C575
• Description: 80C51 8-bit microcontroller family 8K/256 OTP/ROM/ROMless/ 4 comparator/ failure detect circuitry/ watchdog timer
• Manufacturer: Philips Semiconductors

Philips Semiconductors
1998 May 01
80C51 8-bit microcontroller family
8K/256 OTP/ROM/ROMless, 4 comparator, failure detect circuitry, watchdog timer
EXTERNAL INPUT
IDLE
(P1.2/ECI)
OVERFLOW
PCA TIMER/COUNTER
TIMER 0
OSC/12
OSC/4
MODULE 0
MODULE 1
MODULE 2
MODULE 3
MODULE 4
CMOD.0
ECF
CIDL
CF
00
01
10
11
WDTE
Figure 4. PCA Interrupt System
CCAPMn.0
CF
Figure 3. PCA Timer/Counter
CR
DECODE
CR
––
––
ECCFn
11
CCF4
––
––
CCF4
CCF3
––
16–BIT UP COUNTER
CH
CCF3
CCF2
CPS1
CCF2
CCF1
CPS0
IE.6
CL
EC
OVERFLOW
CCF1
CCF0
80C575/83C575/
ECF
IE.7
EA
MODULES
TO PCA
CMOD
CCON
(D9H)
(D8H)
CCF0
Product specification
TO
INTERRUPT
PRIORITY
DECODER
INTERRUPT
87C575
CCON
(D8H)
SU00034
SU00033