Displays, And-tft-5pa – Purdy AND-TFT-5PA User Manual
Page 4
AND-TFT-5PA*
Displays
Purdy Electronics Corporation • 720 Palomar Avenue • Sunnyvale, CA 94085
05/13/03
Tel: 408.523.8200 • Fax: 408.733.1287 • [email protected] • www.purdyelectronics.com
4
Interface Pin Assignment Connector:
Pin #.
Symbol
I/O
Function
Remark
1
HSY
I/O
Horizontal Sync Input/Output
2
FRP
O
Video Polarity Alternating Signal
3
CSY/HSY
I
Composite Sync/Horizontal Sync. Signal
Note 1
4
V
GH
I
Supply Voltage for Gate Driver (Hi Level)
V
GH
TYP. = +17V
5
V
GL
I
Supply Voltage for Gate Driver (Low Level)
V
GL
TYP. = -15V
6
V
B
I
Video Signal (Blue)
7
V
R
I
Video Signal (Red)
8
V
G
I
Video Signal (Green)
9
GND
I
Ground
10
V
DD
I
Supply Voltage for Controller
V
DD
TYP. = +5V
11
V
CC
I
Supply Voltage for Source Driver
V
CC
TYP. = +5V
12
GND
I
Ground
13
CKC
I
Control Pin for Select I/O Signal
Note 1
14
VSY
I/O
Video Sync Input/Output
15
PSI
O
Synchronize Pulse for Decoder
16
PSC
O
Synchronize Pulse for DC-DC Converter
17
NC/VSY
I
No Connection/Vertical Sync. Signal
Note 1
18
UD
I
UP/DOWN Control
Note 2
19
RL
I
Right/Left Shift Control
Note 2
20
NP
I/O
NTSC/PAL Selection Signal (Low: PAL, High: NTSC)
If using auto detect this pin is output, otherwise input
Recommended Operating Conditions (Driving for Backlight) Ta = 25°C
Note 1: The wave form of lamp driving voltage should be as close to a perfect SIN wave as possible
Note 2: This value is not output voltage of inverter. The voltage of inverter must be larger than the starting voltage.
Item
Symbol
Remark
Specifications
Unit
Min.
Typ.
Max.
Lamp Voltage
V
L
I
L
= 5 mA
432
480
528
Vrms
Lamp Current
I
L
–
4.5
5.0
5.5
mA
Lamp Frequency
P
L
Note 1
40
43
80
KHz
Kick-Off Voltage (25 °C)
V
S
Note 2
–
–
600
Vrms
Kick-Off Voltage (0 °C)
V
S
–
–
800
Vrms
Note 1: This module can support 2 input mode. CKC of 13 pin select 2 input mode.
Parameter
Select pin (CKC)
Description
CKC (Pin 13)
CSY/HSY (Pin 3)
VSY (Pin 17)
Composite sync mode*
High
CSY (positive edge)
–
Sync separate mode**
Low
HSY (positive edge)
VSY (positive edge)
*
Default mode of this module is composite sync mode (CKC=high)
**
If using sync sep. mode (CKC=low), please contact Purdy to modify some components of PCBA
Note 2