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MCP1650DM-LED2
P1-P3
P4-P6
P7-P9
P10-P12
P13-P15
P16-P18
P19-P21
P22-P24
MCP1650 Multipl
e White LED Demo
Board User’s G
uide
DS51586A-page 18
©
2005 Microchip Technology Inc.
NOTES:
MCP1650 MULTIPLE WHIT
E LED
DEMO BOARD USER
’
S GUIDE
©
2005 Microchip Technology Inc.
DS51586A-page 19
Appendix C. Demo Board Firmware
C.1
DEVICE FIRMW
ARE
For the
latest
versio
n of the
MC
P1650
Multiple
White
LED Demo
Boar
d firmwar
e, visi
t
the Micr
ochip we
b site at w
ww.micro
chip.com
.
FIGURE C-1:
Fir
mwar
e Fl
owchart
– Pa
ge 1.
START
Initialize GP0 = 1(Out
put Port),
Set Op
tion Reg for
250 Hz Freq
Present Key = 0, TMR0 = 0
Check for Key
Press
Increment K
ey Buffer
If Pres
ent Key = 0
1
Start Timer
TMR0 d
1Fh
Set G
P0
= 1
Reset TMR0
If Present K
ey = 02
If TMR0 d 0
Eh
Start Timer
Set GP0
= 0
If TM
R0 d 1F
h
Start Timer
If TMR0 d
06h
Set GP0 = 0
Yes
No
Yes
No
No
No
Yes
Yes
Yes
Yes
Yes
No
No
GP0 = 0
Sleep
If Present K
ey = 03
No
Yes
Wak
e-up Due
Yes
No
to Key Pre
ss
DS51586A-page 20
©
2005 Microchip Technology Inc.
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MCP1650DM-LED2
Mfr. #:
Buy MCP1650DM-LED2
Manufacturer:
Microchip Technology
Description:
Power Management IC Development Tools MCP1650 Mult Wht LED Demo Brd
Lifecycle:
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