MCP1650DM-LED2 Microchip Technology, MCP1650DM-LED2 Datasheet - Page 23
![BOARD DEMO FOR MCP1650 WHITE LED](/photos/9/16/91652/mcp1650dm-led2_sml.jpg)
MCP1650DM-LED2
Manufacturer Part Number
MCP1650DM-LED2
Description
BOARD DEMO FOR MCP1650 WHITE LED
Manufacturer
Microchip Technology
Datasheets
1.MCP1650S-EMS.pdf
(28 pages)
2.MCP1650DM-LED2.pdf
(24 pages)
3.MCP9700T-ELT.pdf
(36 pages)
Specifications of MCP1650DM-LED2
Current - Output / Channel
15mA
Outputs And Type
1, Non-Isolated
Voltage - Output
32.4V
Features
Dimmable
Voltage - Input
2.7 ~ 4.5V
Utilized Ic / Part
MCP1650
Core Chip
MCP1650
Topology
Boost
Output Current
560mA
No. Of Outputs
1
Input Voltage
2.7V To 5.5V
Kit Contents
Board
Development Tool Type
Hardware - Eval/Demo Board
Rohs Compliant
Yes
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant
C.1
© 2005 Microchip Technology Inc.
DEVICE FIRMWARE
For the latest version of the MCP1650 Multiple White LED Demo Board firmware, visit
the Microchip web site at www.microchip.com.
FIGURE C-1:
Appendix C. Demo Board Firmware
Reset TMR0
Set GP0 = 1
No
Initialize GP0 = 1(Output Port),
Set Option Reg for 250 Hz Freq
Present Key = 0, TMR0 = 0
Firmware Flowchart – Page 1.
MCP1650 MULTIPLE WHITE LED
Increment Key Buffer
Check for Key Press
If Present Key = 01
Wake-up Due
to Key Press
TMR0 d 1Fh
Start Timer
Yes
DEMO BOARD USER’S GUIDE
GP0 = 0
START
Sleep
Yes
Yes
No
Yes
No
Yes
No
If Present Key = 02
If TMR0 d 1Fh
If TMR0 d 0Eh
Set GP0 = 0
Start Timer
Yes
Yes
No
No
No
If Present Key = 03
If TMR0 d 06h
DS51586A-page 19
Set GP0 = 0
Start Timer
Yes
Yes
No