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AP SoC Connectivity MCU Audio Amplifier
AC781x Automotive Microcontroller(MCU)

mcu@autochips.com

Overview:
The AC781x product serials is  MCU of automotive grade, complies with the AEC-Q100 specification, and is suitable for automotive electronics and high reliability industrial applications.Typical applications cover BCM, T-BOX, BLDC motor control, industrial control, AC charging piles, etc.
The AC781x device family is based on ARM Cortex®-M3 core, running up to 100MHz,up to 256KB Flash memory,supply voltage ranges from 2.7 to 5.5V, excellent EMC/ESD capability to be suit for harsher environment.
Features:
- ARM Cortex®-M3 core,100MHz, single cycle 32x32 multiplier
- Support up to 256KB embedded Flash memory
- Support up to 64KB RAM
- Support 2*CAN 2.0B
- Support 1*LIN 2.1, 1*URAT LIN
- Support 2*SPI
- Support up to 6*UART
- Support 2*I2C
- 2.7-5.5V power supply
- Temperature range: -40 to 125 °C
Chip Block Diagram:
Development Board Functional Description




Device Name
Number
Remark
Power
1
+12V
Reset
1
K2
Trap PIN
3

BOOT, UART1_CTS, UART1_RTS

only functions on the MCUstartup time, and can be used for other purposes after startup.

NMI
1
K1
JTAG/SWD
1

CAN
2 set
CAN1,CAN2,CAN1_TX and CAN1_RX , wichi are signals all from the IC.
LIN
2 set
HWLIN, 1 SWLIN(UART6)
UART
3 set
UART1, UART_SFLASH, UART2(debug/ISP)
LED
3
1 Power Indicator LED, 2 GPIO LED
I2C
2 set
I2C1, I2C2(OLED)
SPI
1
SPI2
ADCKey
3
K3, K4, K5
GPIOKey
2
K6, K7
sFlash
1

UART2 to USB
1
used to debug and printLOG or download program in ISP Mode (UART2carrier or USB).




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