P89C668 Philips Semiconductors, P89C668 Datasheet - Page 27

• Manufacturer Part Number: P89C668
• Description: 80C51 8-bit Flash microcontroller family 64KB ISP FLASH with 8KB RAM
• Manufacturer: Philips Semiconductors

Philips Semiconductors
2001 Jul 27
80C51 8-bit Flash microcontroller family
64KB ISP Flash with 8KB RAM
WRITE TO
CCAPnL
0
WRITE TO
CCAPnH
1
RESET
ENABLE
––
ECOMn
CCAPnH
PCA TIMER/COUNTER
16–BIT COMPARATOR
CH
––
CF
CAPPn
OVERFLOW
ENABLE
0
Figure 24. PCA High Speed Output Mode
ECOMn
CCAPnL
CR
CAPNn
CL
Figure 25. PCA PWM Mode
0
CAPPn
PCA TIMER/COUNTER
0
––
MATn
COMPARATOR
0
CCAPnH
CCAPnL
MATCH
8–BIT
CL
27
CAPNn
CCF4
0
TOGn
0
CL >= CCAPnL
CL < CCAPnL
MATn
(TO CCFn)
CCF3
PWMn
TOGn
CCF2
0
1
1
ECCFn
0
PWMn
CCF1
0
CCAPMn, n: 0..4
(C2H – C6H)
ECCFn
CCF0
SU01104
TOGGLE
CEXn
CCAPMn, n: 0..4
CCON
(C0H)
(C2H – C6H)
PCA INTERRUPT
P89C668
Preliminary data
SU01103
CEXn