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| 型號： | PT6315-S(L) |
| 廠商： | Princeton Technology Corporation |
| 英文描述： | VFD Driver/Controller IC |
| 中文描述： | VFD驅(qū)動/控制芯片 |
| 文件頁數(shù)： | 8/20頁 |
| 文件大?。?/td> | 1111K |
| 代理商： | PT6315-S(L) |
URL: http://www.princeton.com.tw
Fax: 886-2-29174598
Tel: 886-2-66296288
PT6315-S Key Matrix & Key Input Data Storage RAM
PT6315-S Key Matrix consists of an 8 x 12 array as shown below:
PT6315-S V1.9
- 8 -
September, 2005
VFD Driver/Controller IC
PT6315-S
K1
K2
S
S
S
S
S
S
S
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 K1…………K2
K1…………K2
SG1/KS1
SG2/KS2
SG3/KS3
*
*
*
SG5/KS5
SG6/KS6
SG7/KS7
b0………….b1 b2………….b3
b4………….b5
Note: * = These sections are not relevant but are needed to read the transmission clock.
K1……………K2
SG4/KS4
*
SG8/KS8
b6…………….b7
Reading
Sequence
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