P89V51RD2 Philips Semiconductors, P89V51RD2 Datasheet - Page 49

• Manufacturer Part Number: P89V51RD2
• Description: 8-bit 80C51 5 V low power 64 kB Flash microcontroller with 1 kB RAM
• Manufacturer: Philips Semiconductors

Philips Semiconductors
9397 750 12964
Product data
Fig 23. PCA compare mode.
Fig 24. PCA high speed output mode.
CCAPnL
CCAPnL
write to
write to
0
0
CCAPnH
CCAPnH
write to
write to
1
1
7.8.3 High speed output mode
reset
reset
enable
enable
In this mode
will toggle each time a match occurs between the PCA counter and the module’s
capture registers. To activate this mode the TOG, MAT, and ECOM bits in the
module’s CCAPMn SFR must be set.
16-BIT COMPARATOR
16-BIT COMPARATOR
CCAPnH
CCAPnH
PCA timer/counter
PCA timer/counter
CH
CH
CF
CF
-
-
ECOMn
ECOMn
(Figure
CCAPnL
CCAPnL
CR
CR
CL
CL
Rev. 01 — 01 March 2004
CAPPn
24) the CEX output (on port 1) associated with the PCA module
CAPPn
0
0
-
-
match
match
CAPNn
CAPNn
CCF4
CCF4
0
0
(to CCFn)
(to CCFn)
MATn
MATn
CCF3
CCF3
1
1
8-bit microcontrollers with 80C51 core
TOGn
TOGn
CCF2
CCF2
0
1
PWMn
PWMn
CCF1
CCF1
0
0
© Koninklijke Philips Electronics N.V. 2004. All rights reserved.
ECCFn
ECCFn
P89V51RD2
CCF0
CCF0
toggle
CCON
CCON
(C0h)
CCAPMn, n = 0 to 4
(C0h)
CCAPMn, n = 0 to 4
(C2H to C6H)
(C2H to C6H)
CEXn
interrupt
interrupt
002aaa539
002aaa540
PCA
PCA
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