Datasheet

Philips Semiconductors Product specification
8XC54/58
8XC51FA/FB/FC/80C51FA
8XC51RA+/RB+/RC+/RD+/80C51RA+
80C51 8-bit microcontroller family
8K–64K/256–1K OTP/ROM/ROMless, low voltage (2.7V–5.5V),
low power, high speed (33MHz)
2000 Aug 07
29
(8XC51FX and 8XC51RX+ ONLY)
CF CR CCF4 CCF3 CCF2 CCF1 CCF0––
CCON
(D8H)
–– ECOMn CAPPn CAPNn MATn TOGn PWMn ECCFn
CCAPMn, n= 0 to 4
(DAH – DEH)
CH CL
CCAPnH CCAPnL
CEXn
CAPTURE
PCA INTERRUPT
PCA TIMER/COUNTER
0 000
(TO CCFn)
SU00749
Figure 21. PCA Capture Mode
MATCH
CF CR CCF4 CCF3 CCF2 CCF1 CCF0––
CCON
(D8H)
–– ECOMn CAPPn CAPNn MATn TOGn PWMn ECCFn
CCAPMn, n= 0 to 4
(DAH – DEH)
CH CL
CCAPnH
CCAPnL
PCA INTERRUPT
PCA TIMER/COUNTER
0000
16–BIT COMPARATOR
(TO CCFn)
ENABLE
WRITE TO
CCAPnH
RESET
WRITE TO
CCAPnL
01
SU00750
Figure 22. PCA Compare Mode