HD6475328-CP10 HITACHI [Hitachi Semiconductor], HD6475328-CP10 Datasheet - Page 417

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HD6475328-CP10

Manufacturer Part Number
HD6475328-CP10
Description
original Hitachi CMOS microcomputer unit (MCU)
Manufacturer
HITACHI [Hitachi Semiconductor]
Datasheet
Table C-1 (b) Port 1 Port Read (Pin P1
Setting
DDR = 0
DDR = 1
Table C-1 (c) Port 1 Port Read (Pin P1
Mode
1,2,3,4
7
P1
2
Port Read Data
Pin value
E
Setting
BRLE = 1
BRLE
= 0
DDR = 0
DDR = 1
Figure C-1 (c) Schematic Diagram of Port 1, Pin P1
DDR = 0
DDR = 1
2
1
)
)
408
Port Read Data
DR value
Pin value
DR value
Pin value
DR value
RP1
Q
P1 DDR
Q
WP1
P1 DR
WP1D
2
Reset
Reset
C
C
2
Mode 1, 2, 3,
or 4
R
R
D
D
2
WP1D:
WP1:
RP1:
Port 1 control
register, bit 3
BACK
Q
BRLE
Write to P1DDR
Write to Port 1
Read Port 1

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