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參數(shù)資料
| 型號(hào)： | AD7312LF |
| 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(zé)VFD顯示控制器/驅(qū)動(dòng)器 |
| 文件頁數(shù)： | 3/12頁 |
| 文件大?。?/td> | 212K |
| 代理商： | AD7312LF |
AD7312
(Preliminary)
1/4 to 1/11 Duty VFD Controller/Driver & Standby Master/Slave
Pin Descriptions
Symbol
Name
Anachip Corp.
www.anachip.com.tw
Rev. A2 Dec 29, 2003
3/12
No.
Description
D
IN
Data input
6
Input serial data at rising edge of shift clock,
starting from the low order bit.
Output serial data at the falling edge of the shift
clock, starting from low order bit. This is N-ch
open-drain output pin.
Initializes serial interface at the rising or falling
edge of the AD7312. It then waits for reception of
a command. Data input after STB falling is
processed as a command. While command data
is processed, current processing is stopped, and
the serial interface is initialized. While STB is
high, CLK is ignored.
Reads serial data at the rising edge, and outputs
data at the falling edge.
Connect resistor in between this pin and Vdd to
set up the oscillation frequency.
D
OUT
Data output
5
STB
Strobe
9
CLK
Clock input
8
OSC
Oscillator pin
44
Seg
7
to Seg
11
High-voltage output (Segment)
21 to 25
Segment output pins
Seg
1
/KS
1
to
Seg
6
/KS
6
High-voltage output
15 to 20
Multi-function pins, Segment output pins (Dual
function as key scan source)
Grid
1
to Grid
6
High-voltage output (Grid)
32 to 37
Grid output pins
Seg
12
/Grid
11
to
Seg
16
/Grid
7
High-voltage output (Segment/grid)
26,
28 to 31
These pins are selectable for segment or grid
driving.
LED
1
and LED
4
LED output
39 and 42
CMOS output
RMBUF
Remote Control Buffer
40
CMOS output
PSV
Power Saving Output
41
CMOS output
KEY
1
to KEY
4
Key data input
10 to 13
Data input to these pins is latched at the end of
the display cycle.
V
DD
Logic power
14, 38
Logic power supply
V
SS
Logic ground
7, 43
Connect this pin to system GND.
V
EE
Pull-down level
27
Driver power supply
SW
1
and SW
4
Switch input
1 and 4
These pins constitute a 2-bit general-purpose
input port.
RMIN
Remote Control Input
2
Input pin
SKEY
Standby Key Input
3
Input pin
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