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| HD64F2149 Datasheet, PDF (1020/1035 Pages) Renesas Technology Corp – Hitachi 16-Bit Single-Chip Microcomputer | |||
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Hardware
standby
*1
P97
*2
EXPE
Reset
R
QD
P97DDR
C
WP9D
Reset
R
QD
P97DR
C
WP9
Bus controller
Input enable
WAIT input
IIC0
SDA0 output
Transmit enable
RP9
WP9D : Write to P9DDR
WP9 : Write to port 9
RP9 : Read port 9
Notes: 1. Output enable signal
2. Open drain control signal
Figure C.36 Port 9 Block Diagram (Pin P97)
SDA0 input
986
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