HD6435348R Hitachi Semiconductor, HD6435348R Datasheet - Page 450

• Manufacturer Part Number: HD6435348R
• Description: Single-Chip Microcomputer
• Manufacturer: Hitachi Semiconductor

Table C-1 (e) Port 1 Port Read (Pin P1
Mode
1, 2, 3, 4
7
P1
4
Setting
WMS 1 = 1
WMS 1 = 0
DDR = 0
DDR = 1
Figure C-1 (e) Schematic Diagram of Port 1, Pin P1
DDR = 0
DDR = 1
4
RP1
)
Fig. C-1 (d)
440
Port Read Data
Pin value
Pin value
DR value
Pin value
DR value
Q
Q
P1 DDR
WP1
P1 DR
WP1D
4
Reset
Reset
C
C
4
Mode 1, 2, 3,
or 4
R
R
D
D
WP1D:
WP1:
RP1:
Wait-state control
register, bit 3
4
WAIT to CPU
Q
WMS1
Write to P1DDR
Write to Port 1
Read Port 1