HD6417320 RENESAS [Renesas Technology Corp], HD6417320 Datasheet - Page 564

• Manufacturer Part Number: HD6417320
• Description: Renesas 32-Bit RISC Microcomputer SuperHTM RISC engine Family / SH7700 Series
• Manufacturer: RENESAS [Renesas Technology Corp]

Section 14 Timer Unit (TMU)
14.2.1
TSTR is an 8-bit readable/writable register that selects whether to operate or halt the timer
counters (TCNT).
TSTR is initialized to H'00 at a power-on reset, manual reset, or in module stop mode. It is
retained in sleep mode and standby mode.
Rev. 3.00 Jan. 18, 2008 Page 502 of 1458
REJ09B0033-0300
Bit
7 to 3
2
1
0
Bit Name
—
STR2
STR1
STR0
Timer Start Register (TSTR)
Initial
Value
All 0
0
0
0
R/W
R
R/W
R/W
R/W
Description
Reserved
These bits are always read as 0. The write value should
always be 0.
Counter Start 2
Selects whether to operate or halt timer counter 2
(TCNT_2).
0: TCNT_2 count halted
1: TCNT_2 counts
Counter Start 1
Selects whether to operate or halt timer counter 1
(TCNT_1).
0: TCNT_1 count halted
1: TCNT_1 counts
Counter Start 0
Selects whether to operate or halt timer counter 0
(TCNT_0).
0: TCNT_0 count halted
1: TCNT_0 counts