Keil Logo

AutoChips AC7811

Hz, , 256 kB ROM, 64 kB RAM

The AC781x device family is contains an ARM Cortex-M3 processor, running up to 96MHz with a versatile set of on-chip peripherals. Memories and memory interfaces - Up to 256KB flash - Up to 64KB RAM Clocks - Include 8MHz Internal RC Oscillator - Include 32.768KHz Internal low power RC Oscillator - support 4 MHz to 30 MHz external Crystal oscillator System peripherals - PMC with three power modes: Run, Stop, StandBy - Low-voltage detection - Watchdog with independent clock source - Programmable CRC - Support Both Standard JTAG and two- wire Serial wire Interface - Aliased SRAM bitband region (BITBAND) Human-machine interface - Up to 68 general-purpose input/output (GPIO) - External interrupt (IRQ) Analog modules - One 16-channel 12-bit SAR ADC - Two analog comparator containing 6-bit DAC Timers - One 6-channel PWM - Three 2-channel PWM - One 8-channel Timer - One pulse width Detection timer (PWDT) - One Real-time clock (RTC) Communication interfaces - Two SPI modules (SPI) - Up to Six UART modules(UART) - Two I2C module (I2C) - Two CAN modules(CAN) - One Hardware LIN Module(LIN) Package options - 80-pin LQFP - 64-pin LQFP

Core Hz
  • Processor:Hz,
Memory 64 kB RAM, 256 kB ROM
  • ROM:256 kB
  • RAM:64 kB
Clock & Power 2.7 V .. 5.5 V
  • Supply Voltage:2.7 V .. 5.5 V Operating Voltage
  • RTC:32 kHz
Communication SPI, I2C, UART, CAN
  • SPI:2 x SPI
  • I2C:2 x I2C
  • UART:6 x UART
  • CAN:2 x CAN
Timer/Counter/PWM 1 x 8-bit Timer, 4 x 0-bit
  • Watchdog:1 x Watchdog Timer
  • Timer/Counter:1 x 8-bit
  • PWM:4 x 0-bit
I/O & Package -40 °C .. 125 °C, 80-QFP
  • Operating Temperature Range:-40 °C .. 125 °C Extended Temperature Range
  • I/Os:68 Inputs/Outputs
  • Package, QFP:80-lead QFP
Development Tools
CMSIS Drivers No CMSIS-Driver in Device Family Pack.
  Arm logo
Important information

This site uses cookies to store information on your computer. By continuing to use our site, you consent to our cookies.

Change Settings

Privacy Policy Update

Arm’s Privacy Policy has been updated. By continuing to use our site, you consent to Arm’s Privacy Policy. Please review our Privacy Policy to learn more about our collection, use and transfers
of your data.