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Datasheet File OCR Text:

5
4
3
2
1
D
D
U1 LM317MDT 3 VIN ADJ VOUT 2
VCC+5V
R1 270 C2 1 C3 100 VDD_AO R2 820
C
J1 POWERJACK
C1 0.1
C
9VDC
1
On/Off
D1 3 1N4001 U2 LM317MDT VIN ADJ VOUT 2 S1 slide switch VDD
R3 240 C5 1 C6 100
B
C4 0.1
R21 10
R22 330
R4 330
1
VDD
D5 LED
MAIN PWR
D2 LED
B
R5 330
VDD VDD
A
VCC+5V VCC+5V VDD_AO
VDD_AO Sensory, Inc.
A
GND
Title Size A Date:
RSC-4x VR Stamp Programmer Document Number 70-0069 Friday, March 18, 2005
2
Rev B Sheet 1
1
of
4
5
4
3
5
4
3
2
1
VDD_AO S2 slide switch R6 100 VDD
D
D
P07 P06 P05 P04 P03 P02 P01 P00 P17 P16 P15 PDN -RESET -XM PWM1 PWM0
VDD
VDD P01 2
U6A 74HC126 3 P01BUF
R23 100K
-XM
DL/RUN (When Closed, DL)
40 39 38 37 36 35 34 33 32 31 30 29 28 27 26 25 24 23 22 21
VDD
1
J2 CON40B
JP1 HEADER 2 1 2 U6B 74HC126 PWM0 J3 Audio Jack
C
MIC-RET MIC-VDD MIC-IN MIC-PWR DACOUT P20 P21 P22 P23 P24 P25 P26 P27 P10 P11 P12 P13 P14
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20
C
P00
6
5
P00BUF
VDD
PWM1 4
AUDIO OUT PWM
R7 cutom value JP2 HEADER 2 JP3 HEADER 3 12 MIC-IN 1 2 3 1 2
P07 P06 P05 P04 P03 P02 P01 P00 P17 P16 P15 PDN -RESET -XM PWM1 PWM0
VDD
VDD MIC-VDD
40 39 38 37 36 35 34 33 32 31 30 29 28 27 26 25 24 23 22 21
U6C 74HC126
U6D 74HC126 9 11
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20
B
J4 CON40B
8
MIC External On-board
+ B
EXT MIC
X1 MICROPHONE
10
MIC-RET MIC-VDD MIC-IN MIC-PWR DACOUT P20 P21 P22 P23 P24 P25 P26 P27 P10 P11 P12 P13 P14
13
MIC-RET MIC-PWR
VDD
A
VDD_AO VDD_AO P00BUF P01BUF DACOUT P00BUF P01BUF DACOUT Sensory, Inc.
A
VDD
Title Size A Date:
GND
RSC-4x VR Stamp Programmer Document Number 70-0069 Friday, March 18, 2005
2
Rev B Sheet 2
1
of
4
5
4
3
5
4
3
2
1
USB
CN1 CN-USB
D
VCC+5V
VCC+5V
VDD_AO P01BUF USBTx JP4 1 2 3 HEADER 3
TX P01 CUSTOM
D
1 2 3 4
R9 27 R10 27 C7 0.039
R8 470
C8 0.1 30 3 26 13 U3 25 24 23 22 21 20 19 18 R13 330 VDD_AO USBRx USBTx
P00BUF USBRx
JP5 1 2 3 HEADER 3
RX P00 CUSTOM
5
AVCC
R11 10k R12 1.5K
C
6 8 7
3V3OUT USBDM USBDP
VCC VCC VCC-IO
TXD RXD RTS# CTS# DTR#
JP6 1 2 3 HEADER 3 R14 330
COMM Rx GND Tx
C
5 27 Y1 6MHz RESONATOR
RSTOUT# XTIN
DSR# DCD# RI#
R15 15k
P00BUF TXDEN 28 4 XTOUT RESET# PWREN# PWRCTL TXLED# 16 15 14 12 11 VDD_AO D3 LED D4 LED P01BUF
P00BUF P01BUF
RX
TX
VDD_AO
B
B
32 1 2 VCC+5V U4 1 2 3 4 R16 2.2K CS SK DIN DOUT 93C46 VCC NC NC GND 8 7 6 5 31
EECS EESK EEDATA AGND TEST GND GND
RXLED#
SLEEP#
10 VCC+5V
VCC+5V
29
9 17
FT232BM
GND
Sensory, Inc. R17 10K
A
A
Title Size A Date:
RSC-4x VR Stamp Programmer Document Number 70-0069 Friday, March 18, 2005
2
Rev B Sheet 3
1
of
4
5
4
3
5
4
3
2
1
D
VDD C9 470p
D
R18 47K
R19 100K JP7 1 2 HEADER 2
C
C10 0.1
C11 2.2 (X7R)
C
DACOUT
DACOUT
C12 0.1
R20 10K
U5 TPA301D 4 3 2 1 ININ+ BYPASS SHTDN Vout+ Vdd GND Vout5 6 7 8
J5 Audio Jack
B
C13 0.47 VDD VDD
B
GND
Sensory, Inc.
A A
Title Size A Date:
5 4 3
RSC-4x VR Stamp Programmer Document Number 70-0069 Wednesday, March 16, 2005
2
Rev B Sheet 4
1
of
4

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