Hardware manual
Manuals
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Renesas Manuals
Computer Hardware
H8S/2138 Series
131
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140
Microcomputer Technical Q&A
125
b.
When TSR does not contain transmit data (see figure below)
9
9
1
01
1
1
2
1
3
1
4
1
5
1
6
1
2
3
4 5 6
7
8
1
01
1
1
21
3
1
4
1
5
1
6
1
2
3
4 5
6
7
8
Base clock
φ
Internal write
signal
TDRE
2.5 states
T1
T2
T3
1
...
...
131
132
133
134
135
...
...
148
