Renesas SH7781 用户手册

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页码 1692
18.   Timer Unit (TMU) 
Rev.1.00  Jan. 10, 2008  Page 804 of 1658 
REJ09B0261-0100 
 
18.3.1
 
Timer Start Registers (TSTRn) (n = 0, 1) 
The TSTR registers are 8-bit readable/writable registers that specifies whether TCNT of the 
corresponding channel is operated or stopped. 
•  TSTR0 
0
1
2
3
4
5
6
7
0
0
0
0
0
0
0
0
STR0
STR1
STR2
R/W
R/W
R/W
R
R
R
R
R
BIt:
Initial value:
R/W:
 
 
Bit Bit 
Name 
Initial 
Value R/W  Description 
7 to 3 
— 
All 0 
Reserved 
These bits are always read as 0. The write value should 
always be 0. 
STR2 
R/W 
Counter Start 2 
Specifies whether TCNT2 is operated or stopped. 
0: TCNT2 count operation is stopped 
1: TCNT2 performs count operation 
STR1 
R/W 
Counter Start 1 
Specifies whether TCNT1 is operated or stopped. 
0: TCNT1 count operation is stopped 
1: TCNT1 performs count operation 
STR0 
R/W 
Counter Start 0 
Specifies whether TCNT0 is operated or stopped. 
0: TCNT0 count operation is stopped 
1: TCNT0 performs count operation