HD6435348R Hitachi Semiconductor, HD6435348R Datasheet - Page 165
HD6435348R
Manufacturer Part Number
HD6435348R
Description
Single-Chip Microcomputer
Manufacturer
Hitachi Semiconductor
Datasheet
1.HD6435348R.pdf
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Table 9-3 Port 1 Pin Functions in Expanded Modes (cont)
Pin
P1
P1
P1
P1
P1
4
3
2
1
0
/ WAIT
/ BREQ
/ BACK
/ E
/ ø
Selection of Pin Functions
The function depends on the wait mode select 1 bit (WMS1) of the wait-state control
register (WCR) and the P1
WMS1
P1
Pin function
The function depends on the BRLE bit and the P1
BRLE
P1
Pin function
The function depends on the BRLE bit and the P1
BRLE
P1
Pin function
P1
Pin function
P1
Pin function
4
3
2
1
0
DDR
DDR
DDR
DDR
DDR
P1
P1
P1
Input
Input
4
3
2
0
0
0
0
0
input
input
input
0
0
0
4
DDR bit as follows:
P1
P1
P1
E clock output
ø clock output
4
3
2
output
output
output
148
1
1
1
1
1
0
0
0
BACK output
BREQ input
WAIT input
3
2
DDR bit as follows:
DDR bit as follows:
1
1
1
1
1
1
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