P87C51FB-4B,557 NXP Semiconductors, P87C51FB-4B,557 Datasheet - Page 29

• Manufacturer Part Number: P87C51FB-4B,557
• Manufacturer: NXP Semiconductors

Philips Semiconductors
(8XC51FX and 8XC51RX+ ONLY)
2000 Aug 07
80C51 8-bit microcontroller family
8K–64K/256–1K OTP/ROM/ROMless, low voltage (2.7V–5.5V),
low power, high speed (33MHz)
WRITE TO
CCAPnL
CEXn
0
WRITE TO
CCAPnH
1
RESET
ENABLE
––
CF
ECOMn
0
CCAPnH
PCA TIMER/COUNTER
CR
16–BIT COMPARATOR
CH
––
CF
CAPPn
––
ECOMn
CR
CCAPnL
Figure 22. PCA Compare Mode
Figure 21. PCA Capture Mode
CAPNn
CL
CCF4
CAPPn
––
0
MATn
CCF3
0
MATCH
(TO CCFn)
CAPTURE
29
CAPNn
CCF4
0
TOGn
CCF2
0
(TO CCFn)
MATn
CCF3
PWMn
0
CCF1
TOGn
CCF2
0
8XC51RA+/RB+/RC+/RD+/80C51RA+
ECCFn
CCF0
PWMn
CCF1
0
CCAPMn, n= 0 to 4
CCON
(D8H)
(DAH – DEH)
8XC51FA/FB/FC/80C51FA
CCAPnH
PCA TIMER/COUNTER
CCF0
ECCFn
CH
CCON
(D8H)
CCAPMn, n= 0 to 4
PCA INTERRUPT
(DAH – DEH)
Product specification
CCAPnL
PCA INTERRUPT
CL
SU00749
8XC54/58
SU00750