AT90PWM81 datasheet(2/327 Pages) ATMEL

2 / 327 page

7734Q–AVR–02/12

AT90PWM81/161

– Power-on reset and programmable brown-out detection

– Flag array in bit-programmable I/O space (three bytes)

– In-system programmable via SPI port

– Internal low power calibrated RC oscillator (8MHz or 1MHz, low jitter)

– On chip PLL for fast PWM (32MHz, 48MHz, 64MHz) and CPU (12MHz, 16MHz); PLL source RC & XTAL

– Dynamic clock switch

– Temperature sensor

• Operating voltage: 2.7V - 5.5V

• Operating temperature:

– -40°C to +105°C or -40°C to +125°C

• Operating speed

– 5V: 16MHz core, 64MHz PLL

– 3.3V: 12MHz core, 48MHz PLL

Products Configuration

The different product configurations are described per Table 1-1.

Notes:

1. Flash size is 8Kbytes for AT90PWM81 and 16Kbytes for AT90PWM161.

2. RAM size is 256 bytes for AT90PWM81 and 1024 bytes for AT90PWM161.

Table 1-1.

PWM81/PWM161 configurations.

Package

SO20

QFN32

Pins

Flash size

8/16K (1)

EEPROM size

512

RAM size

256/1024 (2)

PSC 12 bits with extended features

PSC 12 bits

Timer 8 bits

Timer 16 bits

ADC inputs

Amplifiers for ADC

Temperature sensor

Analog Comparators

DAC

DAC amplifiers

UART/DALI

SPI

AT90PWM81 Datenblatt(PDF) 2 Page - ATMEL Corporation

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