STN1170 Datasheet – Multiprotocol OBD to UART Interpreter

Part Number : STN1170

Function : OBD to UART interpreter IC

Package : 44 Pin TQFP ( STN1170-I/PT ) and 44 QFN ( STN1170-I/ML ) Type

Manufactures : OBD Solutions ( http://www.obdsol.com )

Image

STN1170 Multiprotocol Interpreter
Description

The STN1170 is an OBD to UART interpreter IC designed to provide bi-directional half-duplex communication with the vehicle’s On-Board Diagnostic system (OBD-II). It supports all legislated OBD-II protocols, as well as two proprietary networks: GM Single Wire CAN (GMLAN), and Ford Medium Speed CAN (MS CAN).

 

Pinout

STN1170 datasheet pinout

 

Official Homepage : http://www.obdsol.com/solutions/chips/stn1170/

 

Features

1. Stable, field-tested firmware

2. Fully compatible with the ELM327 AT command set

3. Fully backwards compatible with the STN1110 command set

4. Extended ST command set

5. UART interface (baud rates from 38 bps to 10 Mbps)

6. Secure bootloader for easy firmware updates

7. Support for the heavy-duty SAE J1939 OBD protocol

8. Superior automatic protocol detection algorithm

9. Large message buffer

10. Sophisticated PowerSave Sleep/Wakeup Triggers

STN1170 Datasheet

 

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CH340G Datasheet – USB to UART Interface – WCH

Part Number : CH340G

Function : USB  to  UART  Interface ( USB Interface Integrated Circuit )

Package : SOIC 16 Pin

Manufactures : WCH ( DreamCity Innovations )

Image :

CH340G datasheet image

Description :

CH340 is a series of USB bus adapters, that provides serial, parallel or IrDA interfaces over
the USB bus (note: CH340G supports serial interface only). The CH340G integrate circuit
provides common MODEM signals to allow adding a UART to a computer, or converting
existing UART devices to USB interface.

Pinout :

CH340G pinout
Features

1. Full-speed USB interface, compatible with USB 2.0 interface.

2. Operates with a minimum amount of external components: a crystal and a minimum of four
capacitors.

3. Provides a virtual serial port for upgrading existing serial port devices or adding serial ports
to a PC.

4. Supports all existing applications using serial ports without the need of changing existing
code.

5. RoHS-compliant narrow body SO-16 package.

CH340G Datasheet

CH340G pdf

 

 

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