HD6413007F20 Datasheet, PDF (323/798 Pages) Renesas Technology Corp – Hardware Manual Renesas 16-Bit Single-Chip Microcomputer H8 Family/H8/300H Series

9. 16-Bit Timer
Bit 1⎯Counter Start 1 (STR1): Starts and stops timer counter 1 (16TCNT1).
Bit 1
STR1
0
1
Description
16TCNT1 is halted
16TCNT1 is counting
(Initial value)
Bit 0⎯Counter Start 0 (STR0): Starts and stops timer counter 0 (16TCNT0).
Bit 0
STR0
0
1
Description
16TCNT0 is halted
16TCNT0 is counting
(Initial value)
9.2.2 Timer Synchro Register (TSNC)
TSNC is an 8-bit readable/writable register that selects whether channels 0 to 2 operate
independently or synchronously. Channels are synchronized by setting the corresponding bits to 1.
Bit
7
6
5
4
3
2
1
0
⎯
⎯
⎯
⎯
⎯ SYNC2 SYNC1 SYNC0
Initial value
1
1
1
1
1
0
0
0
Read/Write
⎯
⎯
⎯
⎯
⎯
R/W
R/W
R/W
Reserved bits
TSNC is initialized to H'F8 by a reset and in standby mode.
Timer sync 2 to 0
These bits synchronize
channels 2 to 0
Bits 7 to 3⎯Reserved: These bits cannot be modified and are always read as 1.
Bit 2⎯Timer Sync 2 (SYNC2): Selects whether channel 2 operates independently or
synchronously.
Bit 2
SYNC2
0
1
Description
Channel 2's timer counter (16TCNT2) operates independently
16TCNT2 is preset and cleared independently of other channels
Channel 2 operates synchronously
16TCNT2 can be synchronously preset and cleared
(Initial value)
Rev.5.00 Sep. 12, 2007 Page 293 of 764
REJ09B0396-0500