T89C51CC02 Atmel, T89C51CC02 Datasheet - Page 109

• Manufacturer Part Number: T89C51CC02
• Description: 8-Bit MCU
• Manufacturer: Atmel

16.7. PCA Registers
CMOD (S:D8h)
PCA Counter Mode Register
Reset Value = 00XX X000b
Rev.A - May 17, 2001
Bit Number Bit Mnemonic
CIDL
7
7
6
5
4
3
2
1
0
WDTE
WDTE
CIDL
CPS1
CPS0
ECF
6
-
-
-
PCA Counter Idle Control bit
Watchdog Timer Enable
Reserved
Reserved
Reserved
EWC Count Pulse Select bits
Enable PCA Counter Overflow Interrupt bit
Clear to let the PCA run during Idle mode.
Set to stop the PCA when Idle mode is invoked.
Clear to disable Watchdog Timer function on PCA Module 4,
Set to enable it.
The value read from this bit is indeterminate. Do not set this bit.
The value read from this bit is indeterminate. Do not set this bit.
The value read from this bit is indeterminate. Do not set this bit.
CPS1
0
0
1
1
Clear to disable CF bit in CCON register to generate an interrupt.
Set to enable CF bit in CCON register to generate an interrupt.
5
-
CPS0
0
1
0
1
Figure 110. CMOD Register
Preliminary
Clock source
Internal Clock, FPca/6
Internal Clock, FPca/2
Timer 0 overflow
External clock at ECI/P1.2 pin (Max. Rate = FPca/4)
4
-
3
-
Description
CPS1
2
T89C51CC02
CPS0
1
ECF
0
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