upd75238 Renesas Electronics Corporation., upd75238 Datasheet - Page 21
upd75238
Manufacturer Part Number
upd75238
Description
4 Bit Single-chip Microcomputer
Manufacturer
Renesas Electronics Corporation.
Datasheet
1.UPD75238.pdf
(190 pages)
- Current page: 21 of 190
- Download datasheet (2Mb)
Fig. 2-3 General Register Configuration (8-Bit Processing)
DE’
BC’
DE’
BC’
XA’
HL’
XA’
HL’
XA
HL
DE
BC
XA
HL
DE
BC
0AH
0CH
1AH
1CH
00H
02H
04H
06H
08H
0EH
10H
12H
14H
16H
18H
1EH
When RBE
= 0
When RBE
= 2
•
•
RBS
RBS
BC’
BC’
XA’
HL’
DE’
XA’
HL’
DE’
DE
BC
DE
BC
XA
HL
XA
HL
0AH
0CH
1AH
1CH
0EH
1EH
00H
02H
04H
06H
08H
10H
12H
14H
16H
18H
When RBE
= 1
When RBE
= 3
PD75238
•
•
RBS
RBS
21
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