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CIRCUITO DEL INGE PARA CAN DFL168A.pdf

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© 2013 Dafulai Electronics DFA168A Rev 1.00 Datasheet DFA168A Rev 1.00 Datasheet 2 © 2013 Dafulai Electronics Table of Contents I Overview 3 II Features Highlights 3 III Typical Application 4 IV Pinout 4 V Reference Schematics 7 VI Communicate with DFL168A 8 ................................................................................................................................... 8 1 Overview ...............................................................................................
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  © 2013 Dafulai Electronics DFA168A Rev 1.00Datasheet  DFA168A Rev 1.00 Datasheet2 © 2013 Dafulai Electronics Table of Contents IOverview3IIFeatures Highlights3IIITypical Application4IVPinout4VReference Schematics7VICommunicate with DFL168A8 ................................................................................................................................... 81Overview................................................................................................................................... 92Quick Start................................................................................................................................... 113   AT Command Summary................................................................................................................................... 164   AT Command Details................................................................................................................................... 345   Programmable Parameters Information................................................................................................................................... 376   Vehicle BUS Access .......................................................................................................................................................... 37J1939 .......................................................................................................................................................... 41J1708/J1587 ................................................................................................................................... 437   Device 1 Access .......................................................................................................................................................... 43   General Device with Binary response .......................................................................................................................................................... 46   General Device with ASCII response .......................................................................................................................................................... 48   CS440 controller .......................................................................................................................................................... 49   CS230 Controller .......................................................................................................................................................... 50   Dickey-John Controller .......................................................................................................................................................... 52   ACE Spreader Controller .......................................................................................................................................................... 54   GPS with NMEA 0183 output ................................................................................................................................... 588   Power Management................................................................................................................................... 609   IC Self-Diagnosis................................................................................................................................... 6210   Higher Baud Rate for UART1................................................................................................................................... 6411   ERROR and Warning Information VIIElectrical Characteristics66VIIIPackaging Diagrams and Parameters68  Overview3 © 2013 Dafulai Electronics 1Overview DFL168A is an IC, which can access SAE J1939, SAE J1708 protocols, and lots of spreader or GPSserial device or one-wire device or inputs and output by an interface UART port. So One UART portcan access Heavy Duty Vehicle data and Spreader data and GPS data and one-wire data and discreteinputs/output and analog input in real time. It will be perfect for fleet management system.We know lots of AVL (Automatic Vehicle Locator) in the market, which only has one RS232interface. However, As for an fleet management system, we need to monitor not only GPS location,but also vehicle and equipment parameters on the vehicle such as spreader.DFL168A provides a good solution. You only need one RS232 or UART, and you can monitor vehicleand spreader status and i-button or other discrete/Analog inputs. 2Features Highlights · One interface with baud rate from 9600 to 5000KBPS* · Support SAE J1939/FMS, SAE J1708/J1587 Heavy Duty · Support the following Devices 1.  General Binary Device 2.  General ASCII Device 3.  CS440 controller  4.  CS230 Controller  5.  Dickey-John Controller  6.  ACE Spreader Controller  7.   GPS with NMEA 0183 output · Support 4 Discrete inputs and one Discrete output and one analog input · Contains one-wire Master interface, which supports one-wire slave I-button. · Vehicle Speed PWM output and Forwad/Backward output, It can used for spreader controller asspeed input or It will make GPS DR function easier. · Truck Data Bus and Spreader/GPS can be worked at the same time · Support Self-Diagnose function · Support Sleep mode and non-ignition wake-up method, which makes wiring easier. · Support non-intrude command which makes IC not to intrude any signals into Truck Data Bus ·  Available in 28 pins SPDIP and SOIC packages · RoHS Compliant Note: *Actual Baud rate will depend on hardware  DFA168A Rev 1.00 Datasheet4 © 2013 Dafulai Electronics 3Typical Application · Fleet Management and Tracking Device ·  Automotive diagnostic scan tools and code readers · Sensor with J1939/J1708 protocol · Digital dashboards 4Pinout DFL168A has 28 pins SPDIP and SOIC packages Pin Descriptions: ·  /MCLR (Pin 1)  A   reset Input pin. Logic 0 longer than 2uS will bring IC to reset state. If you don't use it, use 10Kohms' resistor to pull up to VDD. · Ain0 (Pin 2)   Analog input pin. The analog voltage range is 0.0 to AVDD. If it is 0.0V when IC restarts, IC will use the default baud rate (57600bps) for UART1 · Dout0/RTS2 (Pin 3) Discrete Output 0 and /RTS2 of UART2. It is a digital output port. Default value will depends onDevice 1. You can use command AT DEV1 HFC 0 to disable RTS2 function. When RTS2 is

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Jul 23, 2017
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