Purdy ANDpSi020TD-LED-KIT - Manual (Page 7)

Purdy Electronics Corporation • 720 Palomar Avenue • Sunnyvale, CA 94085
6/25/08 Tel: 408.523.8200 • Fax: 408.733.1287 • [email protected] 7
www.purdyelectronics.com
Displays Displays
PANEL Connector
Pin No. Symbol I/O Description
1 CP3 C Capacitor for power setting
2 CP4 C Capacitor for power setting
3 CP5 C Capacitor for charge pump
4 CP6 C Capacitor for charge pump
5 CP7 C Capacitor for charge pump
6 CP8 C Capacitor for charge pump
7 NC – No connection
8 PCDL C Capacitor for pre-charge data signal low
9 PCDH C Capacitor for pre-charge data signal high
10 VCOML C Capacitor for VCOM low
11 VCOMH C Capacitor for VCOM high
12 AGND – Analog ground
13 PVDD C Regulation capacitor for charge pump
14 AVDD C Regulation capacitor for analog voltage
15 CP1 C Capacitor for charge pump
16 CP2 C Capacitor for charge pump
17 PWM O Power transistor gate signal for the boost converter
18 FB I Main boost regulator feedback input
19 LED- – LED power: cathode
20 NC – No connector
21 NC – No connector
22 LED+ – LED power: anode
23 GND – Ground
24 VCC – Power supply for digital circuit and charge pump circuit
25 VD I Vertical sync input. Negative polarity
26 HD I Horizontal sync input. Negative polarity
27 DCLK I Clock signal, latch data onto line latches at the rising edge
28 DIN0 I Data input
29 DIN1 I Data input
30 DIN2 I Data input
31 DIN3 I Data input
32 DIN4 I Data input
33 DIN5 I Data input
34 DIN6 I Data input
35 DIN7 I Data input
36 SDA I/O Serial interface data line
37 SCL I Serial interface clock line
38 SCEN I Serial interface chip enable line
39 NSTBY I Sleep mode setting pin
40 NRESET I System reset pin
ANDpSi020TD-LED-KIT