ADVANCED VEHICLE TECHNOLOGIES, Inc.

AVT-852
Hardware Revision Descriptions
and
Order Number Descriptions
Updated: 5 August 2022
Notes

General Description
Low cost multiple interface supporting: 2-wire CAN; Single Wire CAN; J1850 VPW; and K-line networks.
Communication to host computer: USB.
Replacement for the AVT-842. This is a "drop-in" replacement. Board was re-designed to improve data throughput.

Hardware Configuration
Hardware configuration of the board is determined by customer requirements.
The hardware configuration is noted in the white "Rev" block on the top of the board.
Some hardware configurations are listed below. Other configurations are available, ask us.
A unique revision level and order number will be assigned for each unique hardware configuration requested.

PC Board Revision
The revision of the PC board is noted in copper on the bottom of the board.
It only changes when the board is redesigned.
PC Board Revision

PC Board Revision A1
PC board revision level "A1"
General release: ~ 10 May 2010

Revision all
General release: 3 April 2013
Description: Install a 1N5819 Schottky diode on the K-line/LIN bus to minimize negative transients.
Install the 1N5819 Schottky diode on the bottom of the board, cathode (band) end attached to pin #2 of JP2, anode end soldered to the ground screen in the corner of the board.

Revision all
General release: 1 May2013
Previous note about installing a 1N5819 diode is no longer in effect.
Description: Install a 3300 pF ceramic capacitor in place of R24. (Resistor R24 is 'not installed' in all production boards.)
This modification is to minimize or eliminate the negative pulse seen on the falling edge of the K-line / LIN bus.
Circuit Configuration
Revision
 CAN0
 CAN4
 J1850 VPW
 K-line
 ATD (ADC)
A3
 2-wire
(ISO11898)
 SWC
(note 1)
 Installed
 Installed
(note 3)
 not installed
B3
 2-wire
(ISO11898)
 2-wire
(ISO11898)
 Installed
 Installed
(note 3)
 not installed
C3
 2-wire
(ISO11898)
 SWC
(note 1)
 not installed
 Installed
(note 3)
 not installed
D3
 2-wire
(ISO11898)
 2-wire
(ISO11898)
 not installed
 Installed
(note 3)
 not installed
E (Default)
(stock)
 2-wire
(ISO11898)
 not installed
 Installed
 not installed
 not installed
F
 2-wire
(ISO11898)
 SWC
(note 1)
 Installed
 not installed
 not installed
G3
 2-wire
(ISO11898)
 SWC
(note 1)
 Installed
 Installed
(note 3)
 Installed
(note 2)
H3
 2-wire
(ISO11898)
 not installed
 Installed
 Installed
(note 3)
 not installed
J3
 		2-wire
(ISO11898)
 not installed
 not installed
 Installed
(note 3)
 not installed
K3
 2-wire
(ISO11898)
 not installed
 Installed
 Installed
(note 3)
 Installed
(note 2)
L
 2-wire
(ISO11898)
 not installed
 Installed
 not installed
 Installed
(note2)
M
 2-wire
(ISO11898)
 CAN-B (ISO11519)
(note 4)
 not installed
 not installed
 not installed
P3
 2-wire
(ISO11898)
 SWC
(note 1)
 not installed
 Installed
(note 3)
 Installed
(note 2)
Q3
(note 5)		 2-wire
(ISO11898)		 not installed not installed Installed not installed
Q4
(note 6)		 2-wire
(ISO11898)		 not installed not installed Installed not installed
R 2-wire
(ISO11898)		 2-wire
(ISO11898)		 not installed not installed not installed
S3 2-wire
(ISO11898)		 2-wire
(ISO11898)		 Installed Installed Installed

NOTES

1 - SWC transceiver installation, US$ 30.00 extra charge.
2 - ATD terminal strip installation, US$ 30.00 extra charge.
3 - K-line transceiver (for KWP or LIN), US$ 30.00 extra charge.
4 - Requires add-on board, US$ 100.00 extra charge. Extra time required to prepare and ship.
5 - Hand modified with switches glued to top of main board. Firmware 2.8 (0B). Only one built special for one customer.
6 - Install the "Q4" add-on board. Firmware 2.8 (0B). Small scale production anticipated.

(The '2' after the revision letter indicates the 1N5819 Schottky clamping diode is installed on the K-line/LIN bus. - This modification was stopped as of 1 May 2013.)
(The '3' after the revision letter indicates the installation of a 3300 pF ceramic capacitor in place of R24. Effective 1 May 2013.)
Order Number Descriptions

AVT-852-002 : AVT-852 interface board, installed in a rugged enclosure, with USB A-B cable, with 3-foot OBD-II cable.
Status: In production.  Units are usually available from stock.

AVT-852-003 : AVT-852 interface board, installed in a rugged enclosure, with USB A-B cable.
Status: In production.  Units are usually available from stock.

AVT-852-004 : AVT-852 interface board, installed in enclosure, with 3-foot OBD-II cable.
Status: In production.  Units are usually available from stock.

AVT-852-006 : AVT-852 interface board, installed in enclosure.
Status: In production.  Units are usually available from stock.

AVT-852-007 : AVT-852 interface board only.
Status: In production.  Units are usually available from stock.
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