AC78406_M&X SEMICONDUCTOR CO., LTD.

AC78406

The AC78406 Family of 32-bit microcontrollers (MCUs) offers Arm® Cortex®-M-based MCUs, along with a basic cryptographic security engine. AC78406 Family offers scalability in memory and peripherals, ensuring high-performance and functional safety compliant with ISO 26262 up to ASIL B. AC78406 Family is accompanied by a complete production-grade software ecosystem that are supported by a comprehensive suite of production grade tools and software for AUTOSAR® MCAL4.4.

Description

Block Diagram

Feature

Automotive grade

● AEC-Q100 Grade 1 qualified

● ISO26262 ASIL-B qualified

Performance

● Up to 120 MHz ARMB Cortex-M4F core

● Integrated DSP
● Float Point Unit(FPU)
● Fast I/O access port

Memories and memory interfaces

● On-chip Flash, including P-Flashup to 1 MB(Including 2 banks,512KB+512KB) and D-Flash up to128 KB, both P-Flash and D-Flash support ECC

● Up to 124 KB SRAM, ECC is supported

● 4 KB FlexRAM

CSE

(Cryptographic ServicesEngine)

● Support AES-128 ECB, CBC, CMAC

● Support secure boot mode
● Comply with SHE specification
● Support TRNG, PRNG
● Secure cryptographic key storage(Support up to 17 user keys)

● One 16-channel DMA

Clocks

● oscillator(OSC) - supports 4MHz to 30MHz quartz crystal resonator; choice of low power orhigh gain oscillators, or up to 50MHz external input clock

● System PLL - internal PLL with internal or external reference to generate 120MHz system clock
● Internal 128KHz low-power oscillator (LSI)
● High Speed Internal Clock(HSI) — internal RC oscillator provides 8 MHz clock source

● Ultra High Speed Internal Clock(VHSI) 一 internal RC oscillator provides 48 MHz clock source

Power Management

● Power Management Module(PMC) with six power modes: RUN, STOP1, STOP2, VLPR, VLPS, Standby

● Low-voltage detection with reset(LVD/LVR)

System peripherals

● Watchdog with independent clock source(WDOG/External WDG(EWDG)

● Programmable cyclic redundancy check module(CRC)
● JTAG/SWD debug interface

● One EIO module, supporting up to 4 Timers and 4 Shifters

Human-machine interface

● Up to 128 general-purpose input/output(GPIO)

● External interrupt (IRQ)

Analog modules

● Two ADC, each up to 28-channel(outer 24 channels,inner 4 channels) , 1Msps@12bit/1.33Msps@10 bit/1.46Msps@8bit SAR ADC, optional hardware trigger(ADC)

● One analog comparators(ACMP) containing a 8-bit DAC and programmable reference input

Timer

● Up to six 8-channel complementary PWM

● One 4-channel periodic interrupt timer(TIMER)
● One 16-bit pulse counter(PCT)
● One real-time counter(RTC)

● Two programmable delay timer(PDT)

Communication interfaces

● Up four CAN-FD modules, compatible with CAN 2.0B

● Four UART modules(supporting 4-ch Software LIN)
● Three SPI modules

● OneI2C module

Operating characteristics

●Voltage range: 2.7 to 5.5V

●Temperature range(ambient): -40to 125℃

Package

● 144-pin LQFP

● 100-pin LQFP

● 64-pin LQFP

Part number include:

AC78406HGLA (LQFP-64)

AC78406LGLA (LQFP-100)

AC78406YGLA (LQFP-144)