PT6315-SL 데이터 시트보기 (PDF) - Princeton Technology

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PT6315-SL

VFD Driver/Controller IC

Princeton Technology 

VFD Driver/Controller IC

PT6315-S Key Matrix & Key Input Data Storage RAM

PT6315-S Key Matrix consists of an 8 x 12 array as shown below:

K1

K2

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PT6315-S

Each data entered by each key is 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 (SG0, b1) is read.

K1…………K1

SG1/KS1

*

SG5/KS5

b0………….b1

K1…………K2

SG2/KS2

*

SG6/KS6

b2………….b3

K1…………K2

SG3/KS3

*

SG7/KS7

b4………….b5

K1……………K2

SG4/KS4

*

SG8/KS8

b6…………….b7

Reading

Sequence

Note: * = These sections are not relevant but are needed to read the transmission clock.

PT6315-S V1.9

-8-

September, 2005

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