HD6475328-CP10 HITACHI [Hitachi Semiconductor], HD6475328-CP10 Datasheet - Page 435

• Manufacturer Part Number: HD6475328-CP10
• Description: original Hitachi CMOS microcomputer unit (MCU)
• Manufacturer: HITACHI [Hitachi Semiconductor]

Table C-9 (c) Port 9 Port Read (Pin P9
Setting
Output enable
Output disable
P9
5
DDR = 0
DDR = 1
Figure C-9 (c) Schematic Diagram of Port 9, Pin P9
Port Read Data
Serial transfer data
Pin value
DR value
5
)
RP9
426
Q
P9 DDR
Q
WP9D
P9 DR
WP9
5
Reset
Reset
C
C
5
R
R
D
D
SCI timer module
Output enable
Serial transfer data
WP9D:
WP9:
RP9:
5
Write to P9DDR
Write to Port 9
Read Port 9