HD6475328-CP10 HITACHI [Hitachi Semiconductor], HD6475328-CP10 Datasheet - Page 416

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HD6475328-CP10

Manufacturer Part Number
HD6475328-CP10
Description
original Hitachi CMOS microcomputer unit (MCU)
Manufacturer
HITACHI [Hitachi Semiconductor]
Datasheet
C.1 Schematic Diagram of Port 1
Figure C-1 (a) to (g) gives a schematic view of the port 1 input/output circuits.
Table C-1 (a) Port 1 Port Read (Pin P1
Setting
DDR = 0
DDR = 1
Appendix C I/O Port Schematic Diagrams
P1
P1
0
Port Read Data
Pin value
ø
1
Figure C-1 (b) Schematic Diagram of Port 1, Pin P1
Figure C-1 (a) Schematic Diagram of Port 1, Pin P1
RP1
RP1
0
Q
P1 DDR
)
WP1D
Q
P1 DDR
0
Reset
C
WP1D
1
R
Reset
C
407
D
R
D
ø
E
WP1D:
RP1:
WP1D:
RP1:
Write to P1DDR
Read Port 1
Write to P1DDR
Read Port 1
0
1

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