Automotive Data Logger

The automotive data logger consists of NuMicro® M0A23 microcontroller and N9H30 microprocessor. M0A23 supports CAN Bus to log On-Board Diagnostics-II (OBD-II) data, which includes vehicle speed, engine RPM, engine coolant temperature, intake air temperature, MAF air flow rate and throttle position from engine control unit (ECU) simulator. Then M0A23 converts the OBD-II raw data and transmits the above information to N9H30. N9H30 shows the received information on 7” TFT-LCD human machine interface enhanced by emWin.

Features

- Supports ISO 15765-4 CAN

-
Extendable other standards

- SAE J1850 PWM/ VPW

- SAE J1939 CAN

- ISO 9141-2

- ISO 14230-4 KWP

- Supports HMI enhanced by emWin

Specifications

M0A23 (32-bit Arm® Cortex®-M0)
-	AEC-Q100 Grade 1 qualified
-	Supports CAN protocol version 2.0 part A/B and bit rate up to 1 Mbit/s
-	Supports 2-set UART with LIN and RS485 function
-	Supports 18 I/O pins in SSOP20 and 26 I/O pins in TSSOP28
-	Each I/O pin can be arbitrarily assigned to digital peripherals
-	Supports high noise immunity: ESD HBM ±6 kV and EFT ± 4.4 kV
-	Supports a wide operating voltage from 2.4V to 5.5V

System Block Diagram

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Automotive Data Logger

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-	Supports ISO 15765-4 CAN
-	Extendable other standards
	- SAE J1850 PWM/ VPW
	- SAE J1939 CAN
	- ISO 9141-2
	- ISO 14230-4 KWP
-	Supports HMI enhanced by emWin