Datasheet

Section 14 16-Bit Timer Pulse Unit (TPU)
Rev. 2.00 Jul. 04, 2007 Page 286 of 692
REJ09B0309-0200
14.3.8 Timer Start Register (TSTR)
TSTR selects TCNT operation/stoppage for channels 1 and 2. TCNT starts counting for channel in
which the corresponding bit is set to 1. When setting the operating mode in TMDR or setting the
TCNT count clock in TCR, first stop the TCNT operation.
Bit Bit Name
Initial
Value
R/W Description
7 to 3  All 0 R/W Reserved
The write value should always be 0.
2
1
CST2
CST1
0
0
R/W
R/W
Counter Start 2 and 1
These bits select operation or stoppage for TCNT.
If 0 is written to the CST bit during operation with the
TIOC pin designated for output, the counter stops but the
output compare output level of the TIOC pin is retained. If
TIOR is written to when the CST bit is cleared to 0, the
pin output level will be changed to the set initial output
value.
0: TCNT_n count operation is stopped
1: TCNT_n performs count operation
[Legend] n = 2 or 1
0  0 R/W Reserved
The write value should always be 0.