BASIC stamp 2 schematic - Rev.J

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15
1
2
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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
BASIC Stamp BS2-IC Module Schematic Rev. J
Updated 7-19-07 © Parallax, Inc.
599 Menlo Drive, Suite 100
Rocklin, CA 95765, USA
Office: [phone]
Fax: [phone]
General: [e-mail]
Technical: [e-mail]
Web Site: www.parallax.com
Educational: www.stampsinclass.com
®
OUT
GND
VDD
VIN
VSS
RES
VDD
P15
P14
P13
P12
P11
P9
P10
P8
SOUT
SIN
ATN
VSS
P0
P1
P2
P3
P4
P5
P6
P7
15 F, 16Vµ
Brown-Out Det.
4.2V
Quad Res. Pack (4.7 k Res.)WDual NPN Trans. Pack
(10 k Res. & 2N3904)
W
Single PNP Trans. Pack,
(10 k Res. & 2N3906)
W
6
5
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3
2
1
7
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12
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24
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13
PC to BS2 Family
Connection
Connect DSR and RTS for
automatic port detection.
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3
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6
5
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9
8
DSR
RTS
BS2 Family
Module
PC Serial Port
0.1 F,100Vµ
0.1 F,100Vµ
Rx
Tx
DTR
GND
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22
21
20
19
16
15
14
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17
13
1
2
3
4
5
6
9
10
11
7
8
12
RES
VSS
VIN
VDD
P15
P14
P13
P12
P11
P8
P9
P10
ATN
SIN
SOUT
VSS
P1
P0
P2
P3
P4
P5
P6
P7
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