AT90PWM81-16SN Part Information

Details for AT90PWM81-16SN by Microchip Technology


Part Description

Specially designed for lamp ballast and motor control applications, this high-performance Microchip 8-bit AVR ® RISC-based microcontroller combines 8KB ISP flash memory, 10-channel advanced PWM, 11-channel 10-bit A/D converter, one 10-bit D/A converter, one 12-bit high speed power stage controller (with extended PSC2 features) with 16-bit Resolution Enhancement. The device operates between 2.7-5.5 volts.

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Part Features

  • Advanced RISC architecture
  • 131 powerful instructions - most single clock cycle execution
  • 32 × 8 general purpose working registers
  • Fully static operation
  • Up to 1 MIPS throughput per MHz
  • On-chip 2-cycle multiplier
  • Data and non-volatile program memory
  • 8Kbytes of in-system programmable program memory flash
  • Endurance: 10,000 write/erase cycles
  • Lock bits protection
  • Optional 2/4Kbytes boot code section with independent lock bits
  • In-system programming by on-chip boot program
  • True read-while-write operation
  • 512 Bytes of in-system programmable EEPROM
  • Four bytes page size
  • 256 Bytes Internal SRAM
  • On-chip debug support (debugWIRE)
  • Peripheral features
  • One 12-bit high speed PSC (Power Stage Controllers with extended PSC2 features)
  • Non overlapping inverted PWM output pins with flexible dead-time
  • Variable PWM duty cycle and frequency
  • Synchronous update of all PWM registers
  • Enhanced resolution mode (16 bits)
  • Additional register for ADC synchronization
  • Input capture
  • Four output pins and output matrix
  • One 12-bit high speed PSC (Power Stage Controller)
  • Auto-stop function for event driven PFC implementation
  • Non overlapping inverted PWM output pins with flexible dead-time
  • Variable PWM duty cycle and frequency
  • Synchronous update of all PWM registers
  • Enhanced resolution mode (16 bits)
  • Input capture
  • One 16-bit simple general purpose timer/counter
  • 10-bit ADC
  • Up to 11 single ended channels and one fully differential ADC channel pair
  • Programmable gain (5×, 10×, 20×, 40× on differential channel)
  • Internal reference voltage
  • One 10-bit DAC
  • Three analog comparators with
  • Resistor-array to adjust comparison voltage
  • DAC to adjust comparison voltage
  • One SPI
  • Three external interrupts
  • Programmable watchdog timer with separate on-chip oscillator
  • Special microcontroller features
  • Low power idle, noise reduction, and power down modes
  • 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

Part Specifications

Part Family AVR_PWM
Part Prefix AT90
Architecture 8
Core 8-bit AVR
MaxSpeed (MHz) 16
CPU Type 8-bit AVR
Program Memory Type Flash
SelfWrite Yes
Program Memory Size (KB) 8
Program Memory Size (KWords) 8
Multiple Flash Panels True
Secure Bootloader (CodeGuard™ Security) None
Data EEPROM (bytes) 512
Temp. Range Min. -40
Temp. Range Max. 125
Operation Voltage Min.(V) 2.7
Operation Voltage Max.(V) 5.5
Max I/O Pins 20
Pin Count 20
Power On Reset (POR) Yes
Internal Oscillator Yes
Number of Comparators 3
ADC Channels 11
Diff ADC Inputs 2
Max ADC Sampling Rate (ksps) 125
Max ADC Resolution (bits) 10
Max ADC Sample/Hold (S/H) 1
DAC outputs 1
Max DAC Resolution (bits) 10
Temp Sensor Yes
SPI™ 1
Watch Dog Timers (WDT) Yes
Timers 1
Stand alone PWM 6
Capture/Compare/PWM (CCP) 1
Standalone Output Compare/ Standard PWM 8
Input Capture 1
Max # PWM outputs (including complementary outputs) 6
Output Compare Channels 8
USB Interface None
Type of CAN module None
Ethernet None
Integrated Wireless Frequency None
Wireless Technology None
Debug Interface debugWIRE
Temperature Range -40C to +105C

Alternative Part Descriptions

  • MCU, 8BIT, AVR, 16MHZ, QFN-20; Product Range:8051 Family AT90PWM Series Microcontrollers; Architecture:AVR; MCU Core Size:8bit; Program Memory Size:8KB; RAM Memory Size:256Byte; CPU Speed:16MHz; No. of I/O s:20I/O s; MSL:- RoHS Compliant: Yes | Newark Electronics
  • MCU 8-bit AT90 AVR RISC 8KB Flash 3.3V/5V 20-Pin SOIC Stick | Avnet America
  • AVR microcontroller; EEPROM: 512B; SRAM: 256B; Flash: 8kB; SO20 | Transfer Multisort Elektronik

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