APGRD004 Microchip Technology, APGRD004 Datasheet - Page 22
APGRD004
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
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
APGRD004
Manufacturer:
MICROCHIP
Quantity:
12 000
FIGURE B-1:
DS51714A-page 18
Interior Ambient Lighting Module with LIN Interface User’s Guide
MESSAGE_COUNTER
Measure Length of Each
MESSAGE_COUNTER
LIN_HANDLER
and Store in Counter
Calculate Baud Rate
= Data Length + 1
Receive Buffer
bit in Sync Char
Put Data into
YES
Decrement
Break char
YES
Next char
received?
Next char
received?
received?
ID = Char
Receive
Stop bit
frame?
valid?
done?
Is ID
YES
YES
YES
YES
LIN HANDLER FLOWCHART
Entered by an Interrupt-On-Change (falling edge)
NO
NO
NO
NO
NO
NO
MESSAGE_COUNTER
= 0?
ID ERROR
RETURN
BREAK ERROR
NO
Break length
< 10 tbits?
RETURN
NO
YES
PARITY ERROR
ID parity bits
RETURN
OK?
NO
YES
MESSAGE_COUNTER
MESSAGE_COUNTER
CHECKSUM ERROR
Checksum and Store
Parity bits and Store
© 2008 Microchip Technology Inc.
Data From Buffer
Transmit Next
Decrement
Checksum
Calculate
RETURN
RETURN
Calculate
= 0 ?
OK?
OK
NO
YES
YES
NO