UPD75518 Datasheet, PDF (20/180 Pages) NEC – 4 BIT SINGLE-CHIP MICROCOMPUTER

Fig. 2-3 General Register Configuration (4-Bit Processing)
µPD75518(A)
X
01H
H
03H
D
05H
B
07H
X
09H
H
0BH
D
0DH
B
0FH
X
11H
H
13H
D
15H
B
17H
X
19H
H
1BH
D
1DH
B
1FH
A
00H
L
02H _{Register bank 0}
(RBE·RBS = 0)
E
04H
C
06H
A
08H
L
0AH _{Register bank 1}
(RBE·RBS = 1)
E
0CH
C
0EH
A
10H
L
12H _{Register bank 2}
(RBE·RBS = 2)
E
14H
C
16H
A
18H
L
1AH _{Register bank 3}
(RBE·RBS = 3)
E
1CH
C
1EH
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