APGRD004 Microchip Technology, APGRD004 Datasheet - Page 11

• 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

2.1
© 2008 Microchip Technology Inc.
HARDWARE COMPONENTS
This chapter lists and describes the PC board hardware. The following topics are
described:
• Microcontroller
• Network Interface
• Power Supply
• Connectors
For a detailed illustration of the PC board, see Appendix A. “Schematic for the PC
Board”.
2.1.1
The PC board is supplied with the PIC12F615 microcontroller and a MCP2021-500 LIN
transceiver with voltage regulator.
The alternative microcontroller devices and their advantages are:
• PIC12F683 – More program and data memory plus EEPROM
• PIC12F609 – Lower cost without hardware PWM
For applications requiring more I/O pins or additional features, the software can be
ported to higher pin count devices. It is also expandable to drive more LED channels
with additional I/O ports.
Table 2-1 lists the I/O port connections.
TABLE 2-1:
For more information, refer to “PIC12F609/HV609, PIC12F615/HV615 Data Sheet”
(DS41302) and “PIC12F683 Data Sheet” (DS41211) available on the Microchip
web site.
RA0
RA1
RA2
RA4
RA3
RA5
Chapter 2. Hardware Components
Note:
PORT Pin
Microcontroller
The microcontroller Flash program and E
PIC12F683) may be programmed through the five test points located on
the edge of the PC board. These test points are ordered so that they are
pin out compatible with PICkit™ 1 and 2 programmers. Alternatively,
Microchip MPLAB
(not supplied).
I/O CONNECTIONS
INTERIOR AMBIENT LIGHTING MODULE
WITH LIN INTERFACE USER’S GUIDE
®
ICD 2 may be used with an appropriately pinned cable
Green LED Drive Output
Blue LED Drive Output
Intensity Drive Output
Network Transceiver
Red LED Output
LIN TX Output
LIN RX Input
Function
Output
2
data memory (E
ICSP™ Data
ICSP MCLR
ICSP Clock
CCP Out
Notes
2
—
—
is available in
DS51714A-page 7