PT6315-SL PTC [Princeton Technology Corp], PT6315-SL Datasheet - Page 8

• Manufacturer Part Number: PT6315-SL
• Description: VFD Driver/Controller IC
• Manufacturer: PTC [Princeton Technology Corp]

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:
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.
Note: * = These sections are not relevant but are needed to read the transmission clock.
PT6315-S V1.9
K1…………K1
b0………….b1
SG1/KS1
SG5/KS5
*
b2………….b3 b4………….b5 b6…………….b7
K1…………K2
K 2
K 1
SG2/KS2
SG6/KS6
*
K1…………K2 K1……………K2
SG3/KS3
SG7/KS7
- 8 -
*
SG4/KS4
SG8/KS8
*
URL: http://www.princeton.com.tw
Reading
Sequence
Fax: [phone]
Tel: [phone]
September, 2005
PT6315-S