HD6475328-CP10 HITACHI [Hitachi Semiconductor], HD6475328-CP10 Datasheet - Page 436

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

Table C-9 (d) Port 9 Port Read (Pin P9
Setting
Output enable
Output disable
P9
6
DDR = 0
DDR = 1
Figure C-9 (d) Schematic Diagram of Port 9, Pin P9
Port Read Data
Serial transfer data
Pin value
DR value
RP9
6
Fig. C-9 (d)
)
427
Q
P9 DDR
Q
P9 DR
WP9D
WP9
6
Reset
Reset
C
C
6
R
R
D
D
WP9D:
WP9:
RP9:
SCI timer module
Input enable
Serial receive data
6
Write to P9DDR
Write to Port 9
Read Port 9