BASIC Stamp 2 schematic

BASIC Stamp 2 schematic
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Technical: [email protected]
Web Site: www.parallax.com
Educational: www.stampsinclass.com
599 Menlo Drive, Suite 100
Rocklin, CA 95765, USA
Office: (916) 624-8333
Fax: (916) 624-8003
®
BASIC Stamp BS2-IC Module Schematic
Rev. J
Updated 7-19-07 © Parallax, Inc.
Quad Res. Pack (4.7 kW Res.)
Dual NPN Trans. Pack
(10 kW Res. & 2N3904)
Single PNP Trans. Pack,
(10 kW Res. & 2N3906)
SOUT
1
24
VIN
SIN
2
23
VSS
ATN
3
22
RES
VSS
4
21
VDD
P0
5
20
P15
P1
6
19
P14
18
P13
17
P12
16
P11
15
P10
14
P9
13
P8
P2
7
P3
8
P4
9
P5
10
P6
11
P7
12
15µF, 16V
GND
VDD 4.2V
OUT
Brown-Out Det.
1
2
3
4
5
6
7
8
9
10
11
12
13
14
VSS
VSS
VDD
VDD
SDA
SCL
RX
TX
P0
P1
P2
P3
P4
VSS
RES
XI
XO
P15
P14
P13
P12
P11
P10
P9
P8
P7
P6
P5
28
27
26
25
24
23
22
21
20
19
18
17
16
15
2
1
Connect DSR and RTS for
automatic port detection.
DSR
6
RTS
7
2
Rx
3
Tx
4
DTR
5
GND
8
PC to BS2 Family
Connection
9
SOUT
SIN
3 ATN
4 VSS
5 P0
6 P1
7 P2
8 P3
9 P4
10 P5
11 P6
12 P7
1
PC Serial Port
0.1µF,100V
0.1µF,100V
VIN 24
VSS 23
RES 22
VDD 21
P15 20
P14 19
P13 18
P12 17
P11 16
P10 15
P9 14
P8 13
BS2 Family
Module
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