HD6433640 HITACHI [Hitachi Semiconductor], HD6433640 Datasheet - Page 447

• Manufacturer Part Number: HD6433640
• Description: H8/3644 Series Hardware Manual
• Manufacturer: HITACHI [Hitachi Semiconductor]

RDR—Receive data register
TMA—Timer mode register A
Clock output select
Bit
Initial value
Read/Write
Bit
Initial value
Read/Write
0
1 0 0
0 0
1 0
1 0
1
1
1
1
ø/32
ø/16
ø/8
ø/4
ø /32
ø /16
ø /8
ø /4
W
W
W
W
RDR7
TMA7
R/W
R
7
0
7
0
Internal clock select
TMA3 TMA2
RDR6
0
1
TMA6
R/W
R
6
0
6
0
0
1
0
1
RDR5
TMA5
R/W
R
5
0
5
0
TMA1
0
1
0
1
0
1
0
1
TMA0
RDR4
—
—
R
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
4
0
4
1
Prescaler and Divider Ratio
or Overflow Period
PSS
PSS
PSS
PSS
PSS
PSS
PSS
PSS
PSW
PSW
PSW
PSW
PSW and TCA are reset
RDR3
TMA3
R/W
R
3
0
3
0
H'FFAD
H'FFB0
RDR2
TMA2
ø/8192
ø/4096
ø/2048
ø/512
ø/256
ø/128
ø/32
ø/8
1 s
0.5 s
0.25 s
0.03125 s
R/W
R
2
0
2
0
RDR1
TMA1
R/W
R
1
0
1
0
Interval
timer
Time
base
Function
RDR0
TMA0
R/W
Timer A
R
0
0
0
0
SCI3
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