PT6311 データシートの表示（PDF） - Princeton Technology

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PT6311

VFD Driver/Controller IC / 52 Pins Package

Princeton Technology 

PT6311 KEY MATRIX & KEY INPUT DATA STORAGE RAM

PT6311 Key Matrix consists of 12 x 4 arrays as shown below:

K1

K2

K3

K4

PT6311

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 (SG12, b7) has been read, the least significant bit of the next

data (SG1, b0) is read.

K1…………………K4

SG1/KS1

SG3/KS3

SG5/KS5

SG7/KS7

SG9/KS9

SG11/KS11

b0………………….b3

K1…………………K4

SG2/KS2

SG4/KS4

SG6/KS6

SG8/KS8

SG10/KS10

SG12/KS12

b4………………….b7

Reading

Sequence

V3.2

10

November 2009

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