UPD75518 NEC, UPD75518 Datasheet - Page 20

• Manufacturer Part Number: UPD75518
• Description: 4 BIT SINGLE-CHIP MICROCOMPUTER
• Manufacturer: NEC

20
Fig. 2-3 General Register Configuration (4-Bit Processing)
H
D
H
D
H
D
H
D
X
B
X
B
X
B
X
B
0DH
1DH
0BH
1BH
01H
03H
05H
07H
09H
0FH
11H
13H
15H
17H
19H
1FH
A
E
C
A
E
C
A
E
C
A
E
C
L
L
L
L
0AH
0CH
0EH
1AH
1CH
1EH
00H
02H
04H
06H
08H
10H
12H
14H
16H
18H
Register bank 0
(RBE·RBS = 0)
Register bank 1
(RBE·RBS = 1)
Register bank 2
(RBE·RBS = 2)
Register bank 3
(RBE·RBS = 3)
PD75518(A)