MC3411A 查看數據表（PDF） - Unspecified

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MC3411A

16 SEGMENT X 12 GRID VFD DRIVER WITH KEYSCAN

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MC3401A/3411A

MC3401A/3411A Key Matrix & Key Input Data Storage RAM

MC3401A/3411A key matrix consists of 16×2 array as shown bellows.

K1

K2

Each data inputted by each key are stored as follows. They are read by a READ Command, starting from the last

significant bit. When the most significant bit of the data (SG16, b7) has been read, the least significant bit of the

next data (SG1, b0) is read.

K1 ……………. K2

SG1/KS1

SG5/KS5

SG9/KS9

SG13/KS13

b0 ……………. b1

K1 ……………. K2

SG2/KS2

SG6/KS6

SG10/KS10

SG14/KS14

b2 ……………. b3

K1 ……………. K2

SG3/KS3

SG7/KS7

SG11/KS11

SG15/KS15

b4 ……………. b5

K1 ……………. K2

SG4/KS4

SG8/KS8

SG12/KS12

SG16/KS16

b6 ……………. b7

Reading

Sequence

February 28, 2013 Ver. 1.10

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