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R01UH0336EJ0102 Rev.1.02
Page 958 of 1538
Jul 17, 2014
V850E2/PG4-L
Section 17 OS Timer (OSTM)
(6)
OSTMnTS - OSTM Count Start Trigger Register
This register starts the counter.
Access
This register is writable in 8-bit units. It is always read as 00
H
.
Address
<OSTMn_base1> + 14
H
Initial value
00
H
This register is initialized by a reset from any source.
(7)
OSTMnTT - OSTM Count Stop Trigger Register
This register stops the counter.
Access
This register is writable in 8-bit units. It is always read as 00
H
.
Address
<OSTMn_base1> + 18
H
Initial value
00
H
This register is initialized by a reset from any source.
7
6
5
4
3
2
1
0
0
0
0
0
0
0
0
OSTMnTS
R
R
R
R
R
R
R
W
Table 17-15
OSTMnTS Register Contents
Bit Position
Bit Name
Function
0
OSTMnTS
This bit starts the counter.
0: No function
1: Starts the counter and sets OSTMnTE.OSTMnTE = 1.
•
In interval timer mode, a forced restart is executed if this bit is set while
OSTMnTE.OSTMnTE = 1.
•
In free-running comparison mode, setting this bit is ignored as long as
OSTMnTE.OSTMnTE = 1.
7
6
5
4
3
2
1
0
0
0
0
0
0
0
0
OSTMnTT
R
R
R
R
R
R
R
W
Table 17-16
OSTMnTT Register Contents
Bit Position
Bit Name
Function
0
OSTMnTT
Stops the counter.
0: No function
1: Stops the counter and clears the OSTMnTE.OSTMnTE bit. When the
counter has stopped, this bit returns to 0.