ml9227 Oki Semiconductor, ml9227 Datasheet - Page 21

Manufacturer Part Number

ml9227

Description

27-bit Duplex/triplex Vfd Controller/driver With Digital Dimming, Adc And Key Scan

Manufacturer

Oki Semiconductor

Datasheet

1.ML9227.pdf (26 pages)

4) P-in/S-out shift resistor

When the keyscan stop mode is selected and CS goes L, INT signal goes “L”.

OKI Semiconductor

Data I/O

CLOCK

INT

INT signal goes “L”.

C1 C2 C3 C4 C5 C1 C2 C3 C4 C5

ROW1

Figure 6

ROW2

C1 C2 C3 C4 C5 R1 Q1 Q2 Q3

ROW5

Rotary

FEDL9227-01

ML9227

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