BOE USB schematic

FT232BM
RSTOUT#
USBDP
USBDM
3V3OUT
XTIN
EESK
EECS
XTOUT
RTS#
DSR#
EEDATA
TXDEN#
PWREN#
TXLED#
RXLED#
SLEEP#
TXD
RXD
DTR#
CTS#
27 pF
DCD#
RI#
AVCC
VCCIO
VCC VCC
RESET#
TEST
AGND
PWRCTRL
GND GND
1.5 kW
6 MHz
0.1 µF
27 W
0.1 µF
Vss
Vss
Vss
ID
USB RXD
USB TXD
USB DTR
ID
X
X
X
X
X
X
X
X
DP0
DM0
Circuitry powered by USB
27 W
27 pF
18
30
1
2
32
16
15
12
11
10
21
24
25
7
5
8
6
27
28
23
20
31 29 14
17
9
19
22
1
2
3
USB miniB
4
5
++
DM0
DP0
X
VUSB
Fe Bead
10 nF 10 µF
470 W
0.1 µF
USB DTR
ATN
USB TXD
SIN
SOUT
USB RXD
10 kW
10 kW
10 kW
Vss
2N3904
2N3906
2N3906
3
13
26
4
599 Menlo Dr. Ste. 100, Rocklin, CA 95765
Board of Education
w/USB interface Rev. D
www.Parallax.com [e-mail]
10 kW
Vss
VUSB
VUSB
VUSB
VUSB
VUSB
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