Appendix B Internal I/O Registers
Rev. 6.00 Aug 04, 2006 page 588 of 680
REJ09B0145-0600
TMA—Timer Mode Register A
H'B0
Timer A
Bit
Initial value
Read/Write
Note
*
Values when the CWOS bit in CWOSR is cleared to 0. When the CWOS bit is set to 1,
φ
w is output regardless of the value of bits TMA7 to TMA5.
7
TMA7
0
R/W
6
TMA6
0
R/W
5
TMA5
0
R/W
0
TMA0
0
R/W
2
TMA2
0
R/W
1
TMA1
0
R/W
Internal clock select
TMA3 TMA2
0
PSS
PSS
PSS
PSS
0
4
—
1
—
Clock output select
*
0
φ
/32
φ
/16
TMA1
0
1
TMA0
0
0
0
0
0
0
1
0
1
0
0
0
1
PSS
PSS
PSS
PSS
1
0
1
0
0
1
0
0
1
0
1
0
1
1
1
1
PSW
PSW
PSW
PSW
0
0
1
0
1
0
0
1
0
0
1
1
0
1
1
1
PSW and TCA are reset
1
0
1
0
1
1
0
1
1
0
1
1
1
1
1
Prescaler and Divider Ratio
or Overflow Period
φ
/8192
φ
/4096
φ
/2048
φ
/512
φ
/256
φ
/128
φ
/32
φ
/8
1 s
0.5 s
0.25 s
0.03125 s
Interval
timer
Time
base
(when
using
32.768 kHz)
Function
0 0
0
0
0 0 1
φ
/8
φ
/4
1
0
1
1
1 0 0
1 0 1
1 1 0
1 1 1
φ
/32
W
φ
/16
W
φ
/8
W
φ
/4
W
3
TMA3
0
R/W
Содержание H8/38342
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Страница 468: ...Section 12 A D Converter Rev 6 00 Aug 04 2006 page 430 of 680 REJ09B0145 0600...
Страница 580: ...Section 15 Electrical Characteristics Rev 6 00 Aug 04 2006 page 542 of 680 REJ09B0145 0600...