Hitachi H8/500 Series - D) Schematic Diagram of Port 9, Pin P9

Table C-9 (d) Port 9 Port Read (Pin P96)
Setting Port Read Data
Output enable Serial transfer data
DDR = 0 Pin value
DDR = 1 DR value
RP9
P96
Fig. C-9 (d)
WP9
SCI timer module
Input enable
WP9D:
WP9:
RP9:
Write to P9DDR
Write to Port 9
Read Port 9
Internal data bus (PDB14)
C
R
QD
P9 DR
6
C
R
QD
P9 DDR
6
Reset
Reset
WP9D
Serial receive data
Output disable
Figure C-9 (d) Schematic Diagram of Port 9, Pin P96
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