B&B Electronics LDVDSV2-S-P9D - Datasheet User Manual
Page 5
LDVDSV2 Data Sheet
Page 5
www.bb-elec.com
International Office: 707 Dayton Road PO Box 1040 Ottawa, IL 61350 USA 815-433-5100 Fax 433-5104
European Office: Westlink Commercial Park Oranmore Co. Galway Ireland +353 91 792444 Fax +353 91 792445
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N
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B
ELE
C
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ON
ICS
Signal
Pin
Direction
Description
Serial Rx
1
Board to Streamer
0 to 3.3V Asynchronous serial signal (0V = Space, +5V = Mark)
Max Voltage 3.3V
Serial Tx
2
Streamer to Board
0 to 3.3V Asynchronous serial signal (0V = Space, +5V = Mark)
Max Voltage 3.3V
+5V
3
Board to Streamer
Regulated (+/-5%) 5V Supply @ 200 mA Max
Max Voltage 5.5V
Enable
4
Board to Streamer
OBDII Streamer Enable/Reset Pin (0-5V, Enabled = High)
Max Voltage 5V
Engine On
5
Streamer to Board
Indicates RPM or Vehicle Speed > 0
Vehicle Speed Pulse
6
Streamer to Board
0 to 5V signal with frequency proportional to vehicle speed
J1850+
7
Both
J1850+ line from J1962 Pin 2
J1850-
9
Both
J1850- line from J1962 Pin 10
CANh
8
Both
CAN High line from J1962 Pin 6
CANl
10
Both
CAN Low line from J1962 Pin 14
ISO K
11
Both
ISO 9141 K Line from J1962 Pin 7
ISO L
12
Both
ISO 9141 L Line from J1962 Pin 15
Scan Tool Present
13
Streamer to Board
Indicates a technician scan tool has been plugged in
Max continuous voltage 45V
Max transient voltage 65V
Vbat
14
Board to Streamer
Vehicle battery voltage from J1962 Pin 16
+12V to Service Tool
15
Streamer to Board
+12V out to 3rd party scan tool
GND
16
Both
Vehicle battery ground from J1962 Pin 4 and 5
PGC
17
Board to Streamer
Microchip ICSP Clock for programming & debug
PGD
18
Both
Microchip ICSP Data for programming & debug
MCLR
19
Board to Streamer
Microchip ICSP MCLR/Program Voltage for programming & debug
+3.3V
20
Streamer to Board
+3.3V supply for Microchip ICSP programming & debug
TDI
21
Board to Streamer
JTAG data pin for FPGA programming & debug
TDO
22
Streamer to Board
JTAG data pin for FPGA programming & debug
TMS
23
Board to Streamer
JTAG pin for FPGA programming & debug
TCK
24
Board to Streamer
JTAG clock pin for FPGA programming & debug