ATtiny1614

Part: ATtiny1614 (ATtiny1614/1616/1617) — Microchip Technology

Type: 8-bit AVR tinyAVR 1-series Microcontroller

Description: 8-bit AVR MCU running at up to 20 MHz with 16 KB Flash, 2 KB SRAM and 256 bytes EEPROM, in 14-, 20- and 24-pin packages with a 1.8–5.5 V supply range.

Operating Conditions:

• Supply voltage: 1.8–5.5 V
• Operating temperature: -40 to 105 °C (the -40 to 125 °C range is a separate grade)
• Speed grades: 0–5 MHz @ 1.8–5.5 V, 0–10 MHz @ 2.7–5.5 V, 0–20 MHz @ 4.5–5.5 V

Key Specs:

• CPU: AVR with two-cycle hardware multiplier, up to 20 MHz
• Memory: 16 KB Flash (10,000 write/erase cycles), 256 B EEPROM (100,000 cycles), 2 KB SRAM
• Data retention: 40 years at 55 °C
• ADC: two 10-bit, 115 ksps
• DAC: three 8-bit, one with an external channel
• Analog comparators: three
• I/O: up to 22 programmable lines
• Internal voltage references: 0.55 V, 1.1 V, 1.5 V, 2.5 V, 4.3 V

Features:

• Internal 16/20 MHz RC oscillator, 32.768 kHz ULP oscillator, 32.768 kHz external crystal oscillator, and external clock input
• Power-on Reset and Brown-out Detector
• Single-pin UPDI program/debug interface
• Three sleep modes: Idle, Standby, Power-Down
• Timers: one 16-bit TCA, two 16-bit TCB, one 12-bit TCD, 16-bit RTC, and a Watchdog Timer with window mode
• Communication: one USART, one SPI, and one TWI (I²C compatible, up to 1 MHz Fm+)
• Event System and Configurable Custom Logic (two LUTs)
• Automated CRC memory scan
• Peripheral Touch Controller: up to 14 self-capacitance and 49 mutual-capacitance channels, driven shield, wake-up on touch
• External interrupt on all general-purpose pins

Applications:

• Capacitive touch interfaces (buttons, sliders, wheels, 2D surfaces)
• Control applications

Package:

• 14-pin SOIC150
• 20-pin SOIC300
• 20-pin VQFN 3x3 mm
• 24-pin VQFN 4x4 mm

• CPU
• -AVR ® CPU
• -Running at up to 20 MHz
• -Single-cycle I/O access
• -Two-level interrupt controller
• -Two-cycle hardware multiplier
• Memories
• -16 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:
• 16/20 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:

This bit field selects the Reset/UPDI pin configuration.

Note: When configuring the RESET pin as GPIO, there is a potential conflict between the GPIO actively driving the output, and a high-voltage UPDI enable sequence initiation. To avoid this, the GPIO output driver is disabled for 768 OSC32K cycles after a System Reset. Enable any interrupts for this pin only after this period.