Atmel has expanded its low-power 8-bit tiny AVR family with the ATtiny441 and ATtiny841. The ultra-low-power, 14-pin microcontrollers (MCUs) deliver enhanced analog and communication capabilities for an overall lower system cost in a smaller package. They are targeted at cost-effective consumer applications such as computer accessories, thermostats, personal health accessories and many more.
The chips feature a very small 3x3 QFN package and 4 and 8 KB of Flash memory, respectively. They include an ADC with calibrated multilevel internal analog reference, with 12 ADC channels on a 14-pin device, two independent USARTs with wake-up from power down without data loss, SPI interface and an I²C slave interface for enhanced communication capabilities.
The devices also feature flexible clocking options, including a ±2% internal oscillator with fast wake-up, allowing the UARTs to communicate without the need of an external crystal, and to wake-up from sleep without data loss.
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