P89CV51RC2FA NXP Semiconductors, P89CV51RC2FA Datasheet - Page 50

• Manufacturer Part Number: P89CV51RC2FA
• Description: MCU 8-Bit 89C 80C51 CISC 32KB Flash 5V 44-Pin PLCC Tube
• Manufacturer: NXP Semiconductors

Specifications of P89CV51RC2FA

• Package: 44PLCC
• Device Core: 80C51
• Family Name: 89C
• Maximum Speed: 40 MHz
• Operating Supply Voltage: 5 V
• Data Bus Width: 8 Bit
• Number Of Programmable I/os: 32
• Interface Type: SPI/UART
• Number Of Timers: 3
• Ram Size: 1 KB
• Program Memory Size: 32 KB
• Program Memory Type: Flash
• Operating Temperature: -40 to 85 °C

NXP Semiconductors
P89CV51RB2_RC2_RD2_3
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. 03 — 25 August 2009
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. 2009. All rights reserved.
CCAPMn, n = 0 to 4
(DAH to DEH)
CCON
(D8H)
PCA
interrupt
002aaa539
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