PT6313-S View Datasheet(PDF) - Princeton Technology

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PT6313-S

VFD Driver/Controller IC

Princeton Technology 

VFD Driver/Controller IC

PT6313-S Key Matrix & Key Input Data Storage RAM

PT6313-S Key Matrix consists of 8 x 2 array as shown below:

K1

K2

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PT6313-S

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 (SG8, b7) has been read, the least

significant bit of the next data (SG1, b0) is read.

K1…………K1

SG1/KS1

SG5/KS5

b0………….b1

K2…………K3

SG2/KS2

SG6/KS6

b2………….b3

K4…………K5

SG3/KS3

SG7/KS7

b4………….b5

K6……………K7

SG4/KS4

SG8/KS8

b6…………….b7

Reading

Sequence

PT6313-S V1.2

-8-

September, 2005

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