Datasheet

2
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
1. 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 20 32
Flash size 8/16K
(1)
8/16K
(1)
EEPROM size 512 512
RAM size 256/1024
(2)
256/1024
(2)
PSC 12 bits with extended features 1 1
PSC 12 bits 1 1
Timer 8 bits - -
Timer 16 bits 1 1
ADC inputs 8 11
Amplifiers for ADC 1 1
Temperature sensor 1 1
Analog Comparators 3 3
DAC 1 1
DAC amplifiers - -
UART/DALI - -
SPI 1 1