APGRD004 Microchip Technology, APGRD004 Datasheet - Page 19

• Manufacturer Part Number: APGRD004
• Description: REF DESIGN MOD AUTO AMBNT LIGHT
• Manufacturer: Microchip Technology

Specifications of APGRD004

• Main Purpose: Lighting, RGB LED Controller
• Embedded: Yes, MCU, 8-Bit
• Utilized Ic / Part: MCP2021, PIC12F615
• Primary Attributes: 4 Tiny Boards, Each Have: RGB LED, LIN Transceiver, Voltage Regulator, MCU
• Secondary Attributes: LIN Commands are Interpreted to Control 16,383 Colors and 1,023 Dimming Levels
• Silicon Manufacturer: Microchip
• Silicon Core Number: APGDT001
• Kit Contents: 4 Ambient Lighting Modules, Documentation
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

A.1
FIGURE A-1:
© 2008 Microchip Technology Inc.
J1
1
2
3
HIGHLIGHTS
V
LIN bus
GND
BAT
Appendix A. Schematic for the PC Board
D1
1N4004
D2
This appendix provides a detailed schematic for getting started using the Interior
Ambient Lighting Module with LIN Interface.
A.1.1
Figure A-1 illustrates the schematic.
PC BOARD SCHEMATIC
C3
220 pF
C1
2.2
6
5
1
Schematic for the PC Board
F
MCP2021-500
LIN
GND
FAULT/TXE
TP3
CS/WAKE
INTERIOR AMBIENT LIGHTING MODULE
RX
TX
U1
WITH LIN INTERFACE USER’S GUIDE
2
4
1
8
TP2
C2
1.0
R4 1K
V
CC
TP5
TP4
F
TP1
1
1
BLUEdrv
GREENdrv
REDdrv
7
6
5
4
3
2
U2
GP0/CIN+/AN0
GP1/CIN-/AN1/V
GP2/AN2/T0CKI/COUT/INT/CCP1
GP3/MCLR
GP4/AN3/T1G/OSC2/CLKOUT
GP5/T1CKI/OSC1/CLKIN
R1
R2
R3
250
250
250
OSRAM LRTBG6TG
PIC12F615
4
3
1
LED1
REF
5
2
6
NUD3112
Q1
DS51714A-page 15
Inverted OD