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參數(shù)資料
| 型號： | AD7312QF |
| 廠商： | Electronic Theatre Controls, Inc. |
| 英文描述： | 1/4 to 1/11 Duty VFD Controller/Driver & Standby Master/Slave |
| 中文描述： | 1 / 4至1 / 11的職責VFD顯示控制器/驅(qū)動器 |
| 文件頁數(shù)： | 7/12頁 |
| 文件大小： | 212K |
| 代理商： | AD7312QF |
AD7312
(Preliminary)
1/4 to 1/11 Duty VFD Controller/Driver & Standby Master/Slave
(2) Key Scanning and Display Timing
On cycle of key scanning consists of one frame, and data in a 6
×
4 matrix is stored in RAM.
T
DISP
500
μ
s
Anachip Corp.
www.anachip.com.tw
Rev. A2 Dec 29, 2003
7/12
1/16
T
DISP
1 frame = T
DISP
×
(n+1)
SEG Output
Grid1
Grid2
Grid3
Gridn
DIG1
DIG2
DIG3
DIGn
Key scan data
DIG1
1 2 3 4 5 6
Switching characteristic waveforms
fosc
50%
OSC
t
THZ
t
TZH
STB
CLK
D
IN
D
OUT
Sn/Gn
90%
10%
PW
CLK
PW
CLK
t
HOLD
t
SETUP
t
PLZ
PW
STB
t
CLK-STB
t
PZL
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