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參數(shù)資料
| 型號： | AD6315Q |
| 英文描述： | 1/4- to 1/12 Duty VFD Controller/Driver |
| 中文描述： | 1/4- 1 / 12的稅VFD顯示控制器/驅(qū)動器 |
| 文件頁數(shù)： | 7/16頁 |
| 文件大?。?/td> | 243K |
| 代理商： | AD6315Q |
AD6315
1/4- to 1/12 Duty VFD Controller/Driver
(2) Key Matrix and Key-input Data Storage RAM
The key matrix is made up of a 16 X 2 matrix, as shown below.
Anachip Corp.
www.anachip.com.tw
Rev. A5 Dec 29, 2003
7/16
KEY
1
KEY
2
S
1
/
1
S
2
/
2
S
3
/
3
S
4
/
4
S
5
/
5
S
6
/
6
S
7
/
7
S
8
/
8
S
9
/
9
S
1
/
1
S
1
/
1
S
1
/
1
S
1
/
1
S
1
/
1
S
1
/
1
S
1
/
1
The data of each key is stored as follows, and is read with the read command starting from the least
significant bit.
KEY
1
KEY
2
Seg
1
/ KS
1
Seg
5
/ KS
5
Seg
9
/ KS
9
Seg
13
/ KS
13
b0 b1
KEY
1
KEY
2
Seg
2
/ KS
2
Seg
6
/ KS
6
Seg
10
/ KS
10
Seg
14
/ KS
14
b2 b3
KEY
1
KEY
2
Seg
3
/ KS
3
Seg
7
/ KS
7
Seg
11
/ KS
11
Seg
15
/ KS
15
b4 b5
KEY
1
KEY
2
Seg
4
/ KS
4
Seg
8
/ KS
8
Seg
12
/ KS
12
Seg
16
/ KS
16
b6 b7
Reading
Sequence
(3) LED Port
Data is written to the LED port with the write command, starting from the least significant bit. “L” output
when the bit of this port is 0, and “H” output when the bit is 1. The data of bits after the 5
bit are ignored.
b3
b2
b1
b0
LSB
MSB
Don't care
LED
1
LED
2
LED
3
LED
4
Note: On power application, all the LED ports are “L” output.
(4) Commands
Commands set the display mode and status of the VFD driver.
The first 1 byte input to the AD6315 through the DIN pin after the STB pin has fallen is regarded as a
command. If STB is set high while commands/data are transmitted, serial communication is initialized,
and the commands/data being transmitted are invalid (however, the commands/data previously
transmitted remain valid).
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