C868_02 Datasheet, PDF (78/244 Pages) Infineon Technologies AG – 8 - Bit CMOS Microcontroller

C868
On-Chip Peripheral Components
In the center-aligned mode (T12 counts up and down), the counting rules lead to the
following behavior:
T12clk
2
1
one-match
1
0
zero-match
down=1
up=0
T12
2
CDIR
value n
value n+1
shadow transfer
CC6x
Figure 4-12 T12 in center-aligned mode, one-match detected
T12P+1
T12P
T12P-1
period-match
T12clk
T12
up=0
down=1
CDIR
value n
value n+1
CC6x
shadow transfer
Figure 4-13 T12 in center-aligned mode, period-match detected
User’s Manual
4-34
V 0.4, 2002-01