C868_02 Datasheet, PDF (64/244 Pages) Infineon Technologies AG – 8 - Bit CMOS Microcontroller

C868
On-Chip Peripheral Components
T2CON
Timer 2 Control Register,Low Byte
CFH
CEH
CDH
CCH
TF2
EXF2
RCLK
TCLK
rwh
rwh
rw
rw
CBH
EXEN2
rw
CAH
TR2
rw
[Reset value: 00_H]
C9H
C8H
C/T2 CP/RL2
rw
rw
Field
CP/RL2
C/T2
TR2
EXEN2
TCLK
RCLK
Bits Typ Description
0
rw Capture / Reload Select
0 :Reload upon overflow or upon negative transition
at pin T2EX (when EXEN2=1)
1 :Capture timer/counter 2 data register contents on
negative transition at pin T2EX, provided EXEN2 = 1
If TCLK/RCLK=1, this bit is ignored.
1
rw Timer or Counter Select
0 :Timer function selected
1 :Count upon negative edge at pin T2
2
rw Timer/counter 2 Start / Stop Control
0 :Stop Timer/counter 2
1 :Start Timer/counter 2
3
rw Timer/counter 2 External Enable Control
0 :External events are disabled
1 :External events Capture/Reload enabled
4
rw Transmit Clock Enable
0 :Timer/counter 2 overflow is not used for UART
transmitter clock
1 :Timer/counter 2 overflow is used for UART
transmitter clock
5
rw Receiver Clock Enable
0 :Timer/counter 2 overflow is not used for UART
receiver clock
1 :Timer/counter 2 overflow is used for UART
receiver clock
User’s Manual
4-20
V 0.4, 2002-01