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5
5
4
4
3
3
2
2
1
1
D
D
C
C
B
B
A
A
USB
COMM
RX
CUSTOM
P00
Tx
Rx
P01
CUSTOM
TX
RX
TX
GND
70-0069
B
RSC-4x VR Stamp Programmer
Sensory, Inc.
A
34
Friday, March 18, 2005
Title
Size
Document Number
Rev
Date:
Sheet
of
USBRx
USBTx
P00BUF
USBRx
P01BUF
USBTx
P01BUF
P00BUF
GND
VCC+5V
VDD_AO
P01BUF
P00BUF
VCC+5V
VCC+5V
VCC+5V
VDD_AO
VCC+5V
VDD_AO
VDD_AO
CN1
CN-USB
1
2
3
4
R17
10K
R16
2.2K
R8
470
U3
FT232BM
25
24
23
22
21
20
19
5
28
4
32
1
2
18
31
14
15
16
12
10
11
6
8
7
27
TXD
RXD
RTS#
CTS#
DTR#
DSR#
DCD#
RSTOUT#
XTOUT
RESET#
EECS
EESK
EEDATA
RI#
TEST
PWRCTL
PWREN#
TXDEN
TXLED#
SLEEP#
RXLED#
3V3OUT
USBDM
USBDP
XTIN
Y1
6MHz RESONATOR
R9
27
R10
27
U4
93C46
1
2
3
4
8
7
6
5
CS
SK
DIN
DOUT
VCC
NC
NC
GND
R12
1.5K
R15
15k
R11
10k
C7
0.039
C8
0.1
JP5
HEADER 3
1
2
3
JP6
HEADER 3
1
2
3
JP4
HEADER 3
1
2
3
D3
LED
D4
LED
R13
330
R14
330