C508_01 Datasheet, PDF (148/267 Pages) Infineon Technologies AG – 8-Bit CMOS Microcontroller

C508
On-Chip Peripheral Components
Compare Timer 2 Compare Registers
The compare registers CMP2H/CMP2L of Compare Timer 2 hold the 10-bit compare
value which defines the duty cycle of the output signal at COUT3. When the Compare
Timer 2 value is equal to the value stored in the CMP2H/CMP2L register, the COUT3
signal changes from passive to active state. If CMP2H/CMP2L is written, only shadow
latches are written. The content of these latches is transferred to the real registers when
compare timer count value 000_H is reached and bit STE2 of SFR CT2CON has been set.
When the compare registers CMP2H/CMP2L are read, the shadow registers are always
accessed.
Special Function Registers CMP2L (Address D4_H)
Special Function Registers CMP2H (Address D5_H)
Reset Value: 00_H
Reset Value: XXXXXX00_B
Bit No. MSB
LSB
7
6
5
4
3
2
1
0
D4_H
.7
.6
.5
.4
.3
.2
.1
.0 CMP2L
D5_H
–
–
–
–
–
–
.1
.0 CMP2H
Bit
CMP2L.7 - 0
CMP2H.1 - 0
–
Function
Compare Timer 2 compare value, low byte
The CMP2L register holds the lower 8 bits of the 10-bit compare value
for Compare Timer 2.
Compare Timer 2 compare value, high bits
The CMP2H register holds most significant two bits of the 10-bit
Compare value for Compare Timer 2.
Reserved bits
User’s Manual
6-83
2001-05