LC75742E 데이터 시트보기 (PDF) - SANYO -> Panasonic

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LC75742E

1/2 Duty VFD Driver with Key Input Function

SANYO -> Panasonic 

LC75742E, LC75742W

Block States during the Reset Period (when BLK is low)

• Divider and timing generator

These circuits are reset and their base clock is stopped.

• Dimmer timing generator

The circuit is reset and its operation is stopped.

• Digit and segment drivers

These circuits are reset and the display is turned off (S1 to S41 and G1 and G2 are set low.)

• Key scan

The circuit is reset, its internal circuits are set to the initial state, and key scanning is disabled.

• Key buffer

The circuit is reset and all data is set to 0.

• Clock generator

The state (normal or sleep mode) of this block (the clock oscillator circuit) is determined after the sleep control data

(S0 and S1) is transferred.

• CCB interface, shift register, control register, latch, and multiplexer

These circuits are not reset so that serial data can be input during the reset period.

DIGIT

DRIVER

SEGMENT DRIVER

TIMING

GENERATOR

DIVIDER

DIMMER

TIMING

GENERATOR

KEY BUFFER

KEY SCAN

: Blocks that are reset.

No. 6142-14/18

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