MC3411A 查看數據表（PDF） - Unspecified

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MC3411A

16 SEGMENT X 12 GRID VFD DRIVER WITH KEYSCAN

Unspecified 

MC3401A/3411A

COMMAND 2 : DATA SETTING COMMAND

The Data Setting Commands executes the Data Write or Data Read Modes for MC3401A/3411A.

The data Setting Command, the bits 5 and 6 (b4, b5) are ignored, bit 7 (b6) is given the value of “1” while bit 8 (b7)

is given the value of “0”. Please refer to the diagram below.

When power is turned ON, the bit 4 to bit 1 (b3 to b0) are given the value of “0”.

MSB

LSB

0

1

-

-

b3 b2 b1 b0

01 : COMMAND 2 Don’t Care

Data Write Mode Settings :

00 : Write data to display mode

01 : Write data to LED port

10 : Read key scan data

11 : Don’t care

Address Increment Mode Settings (Display Mode):

0 : Increment Address after data has been Written

1 : Fixes Address

Mode Settings :

0 : Normal Operation Mode

1 : Test mode ( User don’t use )

February 28, 2013 Ver. 1.10

17/29

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