C868_02 Datasheet, PDF (125/244 Pages) Infineon Technologies AG – 8 - Bit CMOS Microcontroller

C868
On-Chip Peripheral Components
Note: A simultaneous write of a ’1’ to bits which set and reset the same bit will trigger no
action. The corresponding bit will remain unchanged.
TCTR4H
Timer Control Register 4,High Byte
7
6
5
4
T13STD T13STR
-
-
w
w
r
r
[Reset value: 00_H]
3
2
1
0
-
T13RES T13RS T13RR
r
w
w
w
Field
T13RR
T13RS
T13RES
T13STR
T13STD
-
Bits Type Description
0
w Timer T13 Run Reset
Setting this bit resets the T13R bit.
0 T13R is not influenced.
1 T13R is cleared, T13 stops counting.
1
w Timer T13 Run Set
Setting this bit sets the T13R bit.
0 T13R is not influenced.
1 T13R is set, T13 starts counting.
2
w Timer T13 Reset
0 No effect on T13.
1 The T13 counter register is reset to zero. The
switching of the output signals is according to
the switching rules. Setting of T13RES has no
impact on bit T13R.
6
w Timer T13 Shadow Transfer Request
0 No action
1 STE13 is set, enabling the shadow transfer.
7
w Timer T13 Shadow Transfer Disable
0 No action
1 STE13 is reset without triggering the shadow
transfer.
[5:3] r
reserved;
returns ’0’ if read; should be written with ’0’;
Note: A simultaneous write of a ’1’ to bits which set and reset the same bit will trigger no
action. The corresponding bit will remain unchanged.
User’s Manual
4-81
V 0.4, 2002-01