TM
599 Menlo Drive
Rocklin, CA 95765, USA
Office: (916) 624-8333
Fax: (916) 624-8003
General: info@parallax.com
Technical: support@parallax.com
Web Site: www.parallax.com
Propeller Professional Development Board Schematic
Updated July 27, 2009 © Parallax, Inc.
Rev. A
POWER
Vin
2.1 mm
Power Jack
7-12 VDC
J1
+
OFF
Vss
ON
C
1
10 µF
Vin
VinSw
VinSw
3
VR2
1086CS-5.0
Vin
1
5V
2
C
2
10 µF
R
1
470
W
D
1
LED
Vss
Vss
Vss
3.3V
GND
Vout
SW1
TP1
X2
X1
3.3V
5V
3
VR1
LM1086CS-3.3
Vin
1
3.3V
GND
Vout
2
Vss
Vss
Vss
3.3V
Vss
+
+
C
3
47 µF
Page 1 of 7
TM
599 Menlo Drive
Rocklin, CA 95765, USA
Office: (916) 624-8333
Fax: (916) 624-8003
General: info@parallax.com
Technical: support@parallax.com
Web Site: www.parallax.com
Propeller Professional Development Board Schematic
Updated July 27, 2009 © Parallax, Inc.
PROPELLER CIRCUIT
On-Board USB to Serial
Also available separately
as the Propeller Clip
or the Propeller Plug
R
2
R
3
Vss
Rev. A
USB Mini B
J2
5 4 3 21
C
9
0.1 µF
32 KB
EEPROM
VDD
A0
A1
WP
A2
S1
SCL
VSS SDA
3.3V 3.3V
R
66
10 k
W
470
W
470
W
USBDP
USBDM
VCC
Vss
C
5
4.7 µF
Vss
R
4
150
W
P30
R
5
150
W
P31
Reset
Vss
P28
P29
Vss
RXLED
D
2
LED
TXLED
3.3VOUT
RXD
VCCIO
TXD
TEST
GND
D
20
LED
S1 = Socket
C
6
0.1 µF
C
4
10 nF
DTR
NPN
X7
2 x 32
pin socket
P31
P30
P29
P28
P27
P26
P25
P24
P23
P22
P21
P20
P19
P18
P17
P16
P15
P14
P13
P12
P11
P10
P9
P8
P7
P6
P5
P4
P3
P2
P1
P0
FT232RQ
U1
R
64
33 k
W
Vss
Vss
Q
1
PB1
RESn (to X3)
Vss
X9
P0
P1
P2
P3
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
40
39
38
37
36
35
34
33
32
31
30
29
28
27
26
25
24
23
22
21
P31
P30
P29
P28
P27
P26
P25
P24
Vdd
XO
XI
Vss
P23
P22
P21
P20
P19
P18
P17
P16
Rx
Tx
SDA
SCL
R
85
10 K
W
P4
P5
P6
P7
Vss
BOEn
RESn
Vdd
P8
P9
P10
P11
P12
P13
P14
P15
Vss
X3
P1
Y2
C
8
0.1 µF
P2
5.0 MHz
Vss
C7
0.1 µF
Vss
P8X32A-D40
Page 2 of 7
TM
599 Menlo Drive
Rocklin, CA 95765, USA
Office: (916) 624-8333
Fax: (916) 624-8003
General: info@parallax.com
Technical: support@parallax.com
Web Site: www.parallax.com
Propeller Professional Development Board Schematic
Updated July 27, 2009 © Parallax, Inc.
Rev. A
SIXTEEN SEGMENT DISPLAYS
DS1
DS2
DS3
L. Digit 1
R. Digit 1
R. Digit 2
L. Digit 2
X10
SEGMENTS
2 X 17
DIGITS
R. Digit 3
X11
G1 H
I
B G2 F N/C A1 J A2
A1
A2
B
A1
A2
B
F H I J
G1
E M L
D2
G2
K C
D1
F H I J
G1
E M L
G2
K C
D1
Pin Locations
(common cathode)
DP
DP
D2
D2 M
L
L. DP E
digit
K
C D1 R.
digit
L. Digit 3
R
6
-R
22
150
W
DP
G1
G2
D2
D1
A2
C
F
A1
M
H
K
E
B
L
J
I
Page 3 of 7
TM
599 Menlo Drive
Rocklin, CA 95765, USA
Office: (916) 624-8333
Fax: (916) 624-8003
General: info@parallax.com
Technical: support@parallax.com
Web Site: www.parallax.com
Propeller Professional Development Board Schematic
Updated July 27, 2009 © Parallax, Inc.
LEDs
X13
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
0
LEDs D
4
-D
19
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
0
R
24
-R
39
470
W
Rev. A
Vss
L293D 4-CH DRIVER
5V
Input
Header
X12
ch0
EN0,1
ch1
2
1
7
1A
1,2EN
2A
2Y
6
U4
16
L293D
Vmtr
8
Vmtr
Screw
Terminals
GND
1Y
3
0
1
2
3
ch2
EN2,3
ch3
10
9
15
3A
3,4EN
4A
4Y
14
Vss
3Y
11
V+
J3
EN 0,1
ch0
ch1
ch2
ch3
EN2,3
VDD
V+
J4
J5
GND
GND
GND
Vss
4
5 12 13
GND
Page 4 of 7
TM
599 Menlo Drive
Rocklin, CA 95765, USA
Office: (916) 624-8333
Fax: (916) 624-8003
General: info@parallax.com
Technical: support@parallax.com
Web Site: www.parallax.com
Propeller Professional Development Board Schematic
Updated July 27, 2009 © Parallax, Inc.
Rev. A
PUSH BUTTONS
3.3V
X4
X14
R
67
-R
74
10 k
W
X5
5V
Vss
Vss
7
6
5
4
3
2
1
0
0
1
2
3
4
5
6
7
R
40
-R
47
150
W
PB2-PB9
Vss
5V
DIP SWITCHES
3.3V
X15
7
6
5
4
3
2
1
0
R
75
-R
82
10 k
W
0
1
2
3
4
5
6
7
R
48
-R
55
150
W
Vss
SW2
Page 5 of 7