UPD75238GJ NEC [NEC], UPD75238GJ Datasheet - Page 30

• Manufacturer Part Number: UPD75238GJ
• Description: 4 BIT SINGLE-CHIP MICROCOMPUTER
• Manufacturer: NEC [NEC]

30
Remarks 1. KS0, KS1, and KS2 are key scan registers.
2. PORTH is the high-voltage, high-current output port, and is also used for digit output.
bits
bits
bit
1
4
8
1 A D H
1 B D H
1 A 1 H
1 A 3 H
1 A 5 H
1 A 7 H
1 A 9 H
1 A B H
1 A F H
1 B 1 H
1 B 3 H
1 B 5 H
1 B 7 H
1 B 9 H
1 B B H
1 B F H
Fig. 3-4 Display Data Memory Configuration
1BEH(KS2)
1 A A H
1 A C H
1 B A H
1 B C H
1 A 0 H
1 A 2 H
1 A 4 H
1 A 6 H
1 A 8 H
1 A E H
1 B 0 H
1 B 2 H
1 B 4 H
1 B 6 H
1 B 8 H
1FFH(PORTH)
1 C B H
1 D 3 H
1 D 7 H
1 D B H
1 D F H
1 E B H
1 F B H
1 C 3 H
1 C 7 H
1 C F H
1 E 3 H
1 E 7 H
1 E F H
1 F 3 H
1 F 7 H
1FEH(KS1)
1 D A H
1 C 2 H
1 C 6 H
1 C A H
1 C E H
1 D 2 H
1 D 6 H
1 D E H
1 E A H
1 E E H
1 F A H
1 E 2 H
1 E 6 H
1 F 2 H
1 F 6 H
1 C D H
1 D D H
1 C 1 H
1 C 5 H
1 C 9 H
1 D 1 H
1 D 5 H
1 D 9 H
1 E D H
1 F D H
1 E 1 H
1 E 5 H
1 E 9 H
1 F 1 H
1 F 5 H
1 F 9 H
1FCH(KS0)
1 C C H
1 D C H
1 C 0 H
1 C 4 H
1 C 8 H
1 D 0 H
1 D 4 H
1 D 8 H
1 E 0 H
1 E 4 H
1 E 8 H
1 E C H
1 F 0 H
1 F 4 H
1 F 8 H
PD75238