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M16C/62P Group (M16C/62P, M16C/62PT)
(1) Example of Transmit Timing (when internal clock is selected)
Transfer clock
"1"0
UiC1 register
"0"
TE bit
"1"
UiC1 register
TI bit
"0"
"H"
"L"
CLKi
TXDi
"1"
"0"
Figure 17.9 Transmit and Receive Operation
R
e
. v
2
3 .
0
S
e
p
0
, 1
2
0
0
4
R
E
J
0
9
B
0
1
8
5
0 -
2
3
0
Z
TC
Write data to the UiTB register
TCLK
D0 D1 D2 D3 D4 D5 D6 D7
page 167
f o
3
6
4
D0 D1 D2 D3 D4 D5 D6 D7
TC = TCLK = 2(n + 1) / fj
fj: frequency of UiBRG count source (f1SIO, f2SIO, f8SIO, f32SIO)
n: value set to UiBRG register
i: 0 to 2
17. Serial I/O
Stopped pulsing because the TE bit = 0
D0 D1 D2 D3 D4 D5 D6 D7
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