Section 9 Multi-Function Timer Pulse Unit 2 (MTU2)
Rev. 3.00 Sep. 27, 2007 Page 235 of 758
REJ09B0243-0300
9.3.31
Timer Waveform Control Register (TWCR)
TWCR is an 8-bit readable/writable register that controls the waveform when synchronous counter
clearing occurs in TCNT_3 and TCNT_4 in complementary PWM mode and specifies whether to
clear the counters at TGRA_3 compare match. The CCE bit and WRE bit in TWCR must be
modified only while TCNT stops.
Bit:
Initial value:
R/W:
7
6
5
4
3
2
1
0
Note:
Do not set to 1 when complementary PWM mode is not selected.
*
0
*
0
0
0
0
0
0
0
R/(W)
R
R
R
R
R
R
R/(W)
CCE
-
-
-
-
-
-
WRE
Bit Bit
Name
Initial
Value
R/W Description
7 CCE 0
*
R/(W)
Compare Match Clear Enable
Specifies whether to clear counters at TGRA_3
compare match in complementary PWM mode.
0: Does not clear counters at TGRA_3 compare match
1: Clears counters at TGRA_3 compare match
[Setting condition]
•
When 1 is written to CCE after reading CCE = 0
6 to 1
—
All 0
R
Reserved
These bits are always read as 0. The write value should
always be 0.
Содержание SH7124 R5F7124
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