HD6475328-CP10 HITACHI [Hitachi Semiconductor], HD6475328-CP10 Datasheet - Page 437

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

Table C-9 (e) Port 9 Port Read (Pin P9
Setting
Clock input enable
Clock output enable
Clock input/output
enable
P9
7
Figure C-9 (e) Schematic Diagram of Port 9, Pin P9
DDR = 0
DDR = 1
7
)
RP9
428
Port Read Data
Input clock value
Output clock value
Pin value
DR value
Q
Q
P9 DDR
P9 DR
WP9D
WP9
7
Reset
Reset
C
C
7
R
R
D
D
WP9D:
WP9:
RP9:
SCI timer module
Clock input enable
Clock output enable
Clock output
Clock input
7
Write to P9DDR
Write to Port 9
Read Port 9