Timer Synchro Register (Tsnc) - Hitachi H8/3032 Series Hardware Manual

Bit 1—Counter Start 1 (STR1): Starts and stops timer counter 1 (TCNT1).
Bit 1
STR1
0
1
Bit 0—Counter Start 0 (STR0): Starts and stops timer counter 0 (TCNT0).
Bit 0
STR0
0
1

8.2.2 Timer Synchro Register (TSNC)

TSNC is an 8-bit readable/writable register that selects whether channels 0 to 4 operate
independently or synchronously. Channels are synchronized by setting the corresponding bits to 1.
Bit
Initial value
Read/Write
TSNC is initialized to H'E0 by a reset and in standby mode.
Bits 7 to 5—Reserved: Read-only bits, always read as 1.
Bit 4—Timer Sync 4 (SYNC4): Selects whether channel 4 operates independently or
synchronously.
Bit 4
SYNC4
0
1
Downloaded from Elcodis.com electronic components distributor
Description
TCNT1 is halted
TCNT1 is counting
Description
TCNT0 is halted
TCNT0 is counting
7 6
— — —
1 1
— — —
Reserved bits
Description
Channel 4's timer counter (TCNT4) operates independently
TCNT4 is preset and cleared independently of other channels
Channel 4 operates synchronously
TCNT4 can be synchronously preset and cleared
5 4 3 2
SYNC4 SYNC3 SYNC2
1 0 0 0
R/W R/W R/W
Timer sync 4 to 0
These bits synchronize
channels 4 to 0
182
(Initial value)
(Initial value)
1 0
SYNC1 SYNC0
0 0
R/W R/W
(Initial value)