MICROCHIP ATTINY3217-MFR

The ATtiny3216/3217 Automotive are members of the tinyAVR 1- series of microcontrollers, using the AVR processor with hardware multiplier, running at up to 16 MHz, with 32 KB Flash, 2 KB of SRAM, and 256 bytes of EEPROM in a 20- or 24- pin package. The tinyAVR 1- series uses the latest technologies with a flexible, low- power architecture, including Event System, accurate analog features, and Core Independent Peripherals (CIPs). Capacitive touch interfaces with Driven Shield+ and Boost Mode technologies are supported with the integrated Peripheral Touch Controller (PTC).

• CPU：
  • AVR@CPU Running at up to 16 MHz
  • Single- cycle I/O access
  • Two- level interrupt controller
  • Two- cycle hardware multiplier
• Memories：
  • 32 KB In- system self- programmable Flash memory
  • 256 bytes EEPROM
  • 2 KB SRAM
  • Write/erase endurance: Flash 10,000 cycles, EEPROM 100,000 cycles
  • Data retention: 40 years at 55°C
• System：
  • Power- on Reset (POR)
  • Brown- out Detector (BOD)
  • Clock options:
    • 16 MHz low- power internal RC oscillator
    • 32.768 kHz Ultra Low- Power (ULP) internal RC oscillator
    • 32.768 kHz external crystal oscillator
    • External clock input
  • Single- Pin Unified Program and Debug Interface (UPDI)
  • Three sleep modes:
    • Idle with all peripherals running for immediate wake- up
    • Standby Configurable operation of selected peripherals
    • Power- Down with full data retention
• Peripherals：
  • One 16-bit Timer/Counter type A (TCA) with a dedicated period register and three compare channels
  • Two 16-bit Timer/Counter type B (TCB) with input capture
  • One 12-bit Timer/Counter type D (TCD) optimized for control applications
  • One 16-bit Real-Time Counter (RTC) running from an external crystal, external clock, or internal RC oscillator
  • Watchdog Timer (WDT) with Window mode, with a separate on-chip oscillator
  • One USART with fractional baud rate generator, auto-baud, and start-of-frame detection
  • One master/slave Serial Peripheral Interface (SPI)
  • One Two-Wire Interface (TWI) with dual address match
    • Philips I²C compatible
    • Standard mode (Sm, 100 kHz)
    • Fast mode (Fm, 400 kHz)
    • Fast mode plus (Fm+, 1 MHz)
  • Three Analog Comparators (AC) with a low propagation delay
  • Two 10-bit 115 ksps Analog-to-Digital Converters (ADCs)
  • Three 8-bit Digital-to-Analog Converters (DACs) with one external channel
  • Multiple voltage references (VREF): 0.55V, 1.1V, 1.5V, 2.5V, 4.3V
  • Event System (EVSYS) for CPU independent and predictable inter-peripheral signaling
  • Configurable Custom Logic (CCL) with two programmable look-up tables
  • Automated CRC memory scan
  • Peripheral Touch Controller (PTC)
    • Capacitive touch buttons, sliders, wheels and 2D surfaces
    • Wake-up on touch
    • Driven shield for improved moisture and noise handling performance
    • Up to 14 self-capacitance channels
    • Up to 49 mutual capacitance channels
  • External interrupt on all general purpose pins
• I/O and Packages：
  • Up to 22 programmable I/O lines
  • 20- pin SOIC300
  • 24- pin VQFN 4x4 mm with wettable flanks
• Temperature Ranges：
  • -40°C to 105°C
  • -40°C to 125°C
• Speed Grades：
  • 0 - 8 MHz @ 2.7V - 5.5V
  • 0 - 16 MHz @ 4.5V - 5.5V