Propdemod Schematic

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599 Menlo Drive
Rocklin, CA 95765, USA
Office: (916) 624-8333
Fax: (916) 624-8003

Propeller Demo Board Rev D/E/F Schematic (11-29-06)

On-Board USB to Serial
Also available separately
as the Propeller Clip
or the Propeller Plug

USB Mini B

VddVdd
32 KB
EEPROM
A0
A1
A2
VSS

5 4 3 21

100 W

4.7 µF

5V

6-9
VDC On/Off

LM2937IMP-5.0

10 kW

IN

VDD
WP
SCL
SDA

3.3V
LM2937IMP-3.3

OUT
GND

IN

0.1 µF

OUT
GND

10 µF

24LC256-I/ST

Red

VddVdd

RXLED
TXLED
3.3VOUT
VCCIO RXD
TXD
0.1 µF

TEST
GND

10 µF

Blue

3.3V

5V

Keyboard
PS / 2

10 kW
Clock

NPN

10 nF

240 W

DTR
Reset

FT232RQ

Data

Green

10 kW

100 W

100 W
5V
5V
Vdd
Vdd
P0
P1
P2
P3
P4
P5
P6
P7
VSS
VSS

IVDD
Jumper
3.3V

Vdd

Electret Vdd
Mic

Vdd

1 nF

Vdd

100 kW

1 µF

Headphone
Amp
PVDD
SVDD
INR
SHDNL
SHDNR
INL
OUTL
PVSS OUTR
SVSS
C1P

1 µF

PGND
SGND

C1N

MAX4411ETP

Clock

Vdd
P4
P5
P6
P7
VSS
BOEn
RESn
VDD
P8
P9
P10

P8X32A-Q44

5 MHz

P26
P25
P24
VDD
XO
XI
VSS
P23
P22
P21
P20

Removable
Crystal

100 W
LED
Indicators

240 W

Vdd

1 nF
3.3V

10 kW

100 W

1 µF
0.1 µF

5V

Mouse
PS / 2

Data

Vdd
10 kW

VddVdd

Vdd

10 kW

10 kW

10 nF

10 nF

1 µF

Yellow

1 µF Left

TV

Right

1 µF
Stereo

These three resistors
form a 1-volt, 75-ohm,
3-bit DAC that is used
to generate baseband
and broadcast video.
This resistor is only required for
aural subcarrier in broadcast mode.

V
5

HB

4

3

10
15

9
14

G
2

1

8
13

R
6

7
12

These three sets of two
resistors form 1-volt, 75ohm, 2-bit DACs that
are used to generate
red, green, and blue.

11

VGA
5V

www.parallax.com

info@parallax.com

Tech Support: support@parallax.com

Educational: www.stampsinclass.com



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