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.
Table 1-1. PWM81/PWM161 configurations.
Package
Pins
Flash size
EEPROM size
RAM size
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
SO20
20
8/16K (1)
512
256/1024 (2)
1
1
-
1
8
1
1
3
1
-
-
1
QFN32
32
8/16K (1)
512
256/1024 (2)
1
1
-
1
11
1
1
3
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.
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