PT6547LQ PTC [Princeton Technology Corp], PT6547LQ Datasheet - Page 10

• Manufacturer Part Number: PT6547LQ
• Description: LCD Driver IC with Key Input Function
• Manufacturer: PTC [Princeton Technology Corp]

LCD Driver IC with Key Input Function
PT6547 KEY MATRIX
PT6547 Key Matrix consists of 6 x 5 arrays as shown below:
Each data inputted by each key are stored as follows. They are read by a Read Command, starting
from the least significant bit.
PT6547 V1.2
KI1……KI5 KI1……KI5 KI1……KI5 KI1……KI5 KI1……KI5 KI1……KI5
KS1
K 4 I
K 3 I
K 5 I
K 1 I
K 2 I
KS2
KS1
KS2
Reading Sequence
KS3
- 10 -
KS3
KS4
KS4
KS5
KS5
KS6
URL: http://www.princeton.com.tw
KS6
Fax: [phone]
Tel: [phone]
January, 2006
PT6547