PT6965 データシートの表示（PDF） - Princeton Technology

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PT6965

LED Driver IC

Princeton Technology 

PT6965 KEY MATRIX & KEY INPUT DATA STORAGE RAM

PT6965 Key Matrix consists of 10 x 2 array as shown below:

K1

K2

PT6965

Each data entered by each key is stored as follows and read by a READ Command, starting from the last significant bit.

When the most significant bit of the data (b0) has been read, the least significant bit of the next data (b7) is read.

K1…………………K2

SG1/KS1

SG3/KS3

SG5/KS5

SG7/KS7

SG9/KS9

b0………………….b1

K1…………………K2

x

SG2/KS2

x

SG4/KS4

x

SG6/KS6

x

SG8/KS8

x

SG10/KS10

b2 b3………………….b4

x

x

x

x

x

x

x

x

x

x

b5 b6………………….b7

Reading

Sequence

Note: b2, b5, b6 and b7 do not care.

V1.3

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