AT89C5115
Table 54. CCON Register
CCON (S:D8h)
PCA Counter Control Register
7
6
5
-
4
-
3
-
2
-
1
0
CF
CR
CCF1
CCF0
Bit Number
Bit Mnemonic
Description
PCA Timer/Counter Overflow flag
Set by hardware when the PCA Timer/Counter rolls over. This
generates a PCA interrupt request if the ECF bit in CMOD register
is set.
7
CF
Must be cleared by software.
PCA Timer/Counter Run Control bit
Clear to turn the PCA Timer/Counter off.
Set to turn the PCA Timer/Counter on.
6
CR
-
Reserved
5-2
The value read from these bist are indeterminate. Do not set these
bits.
PCA Module 1 Compare/Capture Flag
Set by hardware when a match or capture occurs. This generates a
PCA interrupt request if the ECCF 1 bit in CCAPM 1 register is set.
Must be cleared by software.
1
0
CCF1
CCF0
PCA Module 0 Compare/Capture Flag
Set by hardware when a match or capture occurs. This generates a
PCA interrupt request if the ECCF 0 bit in CCAPM 0 register is set.
Must be cleared by software.
Reset Value = 00xx xx00b
79
4128F–8051–05/06
ATMEL [ ATMEL ]
