5
5
4
4
3
3
2
2
1
1
D
D
C
C
B
B
A
A
USB
Created by BP_DE
RX
L -
Line
TX
K -
Line
pin13
pin26
DECOUPLING CAPS
pin3
VAG COM
HEX-USB
adapter
for
ver4.09
This Is GND
connected ONLY of
side of PC.
This is car GND (KL.31)
connected Only of side of
car.
L1 -any L with I = or >150mA
All C (exept C4) and
R are 1206 package
Vbat- unswiched
batery voltage
=
optional
max 10mA
truth LEDs
Q1 to Q4
BC817-40 or
similar
1
1
USB Interface fot VAG COM ver4.09
A3
1
1
Monday, January 23, 2006
Title
Size
Document Number
Rev
Date:
Sheet
of
RTS#
DTR#
TXD
SHIELD
VCC
VCC
VCC
KL30
VCC
KL30
VCC
VCC
VCC
KL30
VCC
KL30
L1
INDUCTOR
D2
LED
R20
2k2
R2 220R
Q1
NPN
R12
2k2
R16
2k2
ISO1
TLP181
R19
100k
R14
10k
R17
10k
R9
2k2
Q2
NPN
ISO2
TLP181
D1
LED
U2
FT232BM
25
24
23
22
21
20
19
5
28
4
32
1
2
2
9
9
18
1
7
31
14
15
16
12
10
11
1
3
6
3
0
2
6
3
8
7
27
TXD
RXD
RTS#
CTS#
DTR#
DSR#
DCD#
RSTOUT#
XTOUT
RESET#
EECS
EESK
EEDATA
A
G
N
D
G
N
D
RI#
G
N
D
TEST
PWRCTL
PWREN#
TXDEN
TXLED#
SLEEP#
RXLED#
V
C
C
-I
O
3V3OUT
A
V
C
C
V
C
C
V
C
C
USBDM
USBDP
XTIN
R1 220R
CN1
CN-USB
1
2
3
4
5
R10
10k
R21
2k2
U3
93C46
1
2
3
4
8
7
6
5
CS
SK
DIN
DOUT
VCC
NC
NC
GND
R3
10k
R8
1k5
C9
33nF
R13
220R
Q3
NPN
Q4
NPN
ISO3
TLP181
R11
10k
C10
10nF
R4
2k2
R15
220R
C11
0.1uF
Y1
6MHz
R5
470R
J1
OBD-II Con.-SAE-J1962
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
R6
27R
R7
27R
C1
0.1uF
C2
0.1uF
C3
0.1uF
C4
10uF
R18
220R
