p89cv51rb2 NXP Semiconductors, p89cv51rb2 Datasheet - Page 47

• Manufacturer Part Number: p89cv51rb2
• Description: P89cv51rb2/rc2/rd2 8-bit 80c51 5 V Low Power 64 Kb Flash Microcontroller With 1 Kb Ram, Spi, 6-clock Cpu With 6/12-clock Peripherals
• Manufacturer: NXP Semiconductors

NXP Semiconductors
P89CV51RB2_RC2_RD2_1
Product data sheet
Fig 22. PCA Compare mode
CCAPnL
write to
0
CCAPnH
write to
6.9.3 High-speed output mode
1
reset
In this mode
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.
enable
16-BIT COMPARATOR
CCAPnH
PCA timer/counter
CH
CF
-
(Figure
ECOMn
CCAPnL
CR
CL
23) the CEX output (on port 1) associated with the PCA module will
Rev. 01 — 5 October 2007
CAPPn
0
-
match
CAPNn
CCF4
0
P89CV51RB2/RC2/RD2
(to CCFn)
MATn
CCF3
1
TOGn
CCF2
0
PWMn
CCF1
0
80C51 with 1 kB RAM, SPI
ECCFn
CCF0
© NXP B.V. 2007. All rights reserved.
CCAPMn, n = 0 to 4
(DAH to DEH)
CCON
(D8H)
PCA
interrupt
002aaa539
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