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HDJD-JD01 DEVELOPMENT BOARD
The HDJD-JD01 development board has the following hardware features:
1. 24-pin SOIC packaged HDJD-J822 device
2. 28-pin DIP packaged PIC18F252 device
3. O5V switching regulator for direct input from 12V 1000mA AC/DC wall adaptor
4. 25-way parallel port and associated hardware for direct connection to a parallel port interface
5. In-Circuit Serial Programming (ICSP) connector for programming onboard system controller
6. Four push button switches for selecting 4 different set of white color temperature point or as
external stimulus
7. Two push button connected to HDJD-J822 brightness and color setting pin
8. 10-way DIP switch for setting various control pins of HDJD-J822 device
9. 6-way DIP switch for individual RGB gain control of the onboard color sensor
10. External I/O connector that port various control pins of HDJD-J822 device externally
11. PWM output connector that connects to external LED driver card
12. External I
2
C connector for interfacing to external controller board
13. 1K (128 x 8) Serial I
2
C EEPROM
14. Color RGB sensor connector
15. 3.5 inch lightguide panel with 8 RGB (Red-Green-Blue) Side-firing LED as light source
16. 10 MHz crystal oscillator for PIC18F252 system controller clock operation
17. Onboard RC oscillator for HDJD-J822 color management controller
18. LX1991 LED driver to drive the 8 RGB LEDs
19. Prototype area for user hardware
20. RGB color sensor
Figure 1. HDJD-JD01 Development Board Hardware
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