Rainbow Electronics T89C5115 - Manual (Page 74)

74
T89C5115
4128A–8051–04/02
Table 48. CCON Register
CCON (S:D8h)
PCA Counter Control Register
Reset Value = 00xx xx00b
7 6 5 4 3 2 1 0
CF CR - - - - CCF1 CCF0
Bit
Number
Bit
Mnemonic Description
7 CF
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.
Must be cleared by software.
6 CR
PCA Timer/Counter Run Control bit
Clear to turn the PCA Timer/Counter off.
Set to turn the PCA Timer/Counter on.
5-2 -
Reserved
The value read from these bist are indeterminate. Do not set these bits.
1 CCF1
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.
0 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.