AT90PWM81 Atmel Corporation, AT90PWM81 Datasheet - Page 74
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AT90PWM81
Manufacturer Part Number
AT90PWM81
Description
Manufacturer
Atmel Corporation
Datasheet
1.AT90PWM161.pdf
(325 pages)
Specifications of AT90PWM81
Flash (kbytes)
8 Kbytes
Pin Count
20
Max. Operating Frequency
16 MHz
Cpu
8-bit AVR
Hardware Qtouch Acquisition
No
Max I/o Pins
20
Ext Interrupts
3
Usb Speed
No
Usb Interface
No
Spi
1
Graphic Lcd
No
Video Decoder
No
Camera Interface
No
Adc Channels
11
Adc Resolution (bits)
10
Adc Speed (ksps)
125
Analog Comparators
3
Resistive Touch Screen
No
Dac Channels
1
Dac Resolution (bits)
10
Temp. Sensor
Yes
Crypto Engine
No
Sram (kbytes)
0.25
Eeprom (bytes)
512
Self Program Memory
YES
Dram Memory
No
Nand Interface
No
Picopower
No
Temp. Range (deg C)
-40 to 125
I/o Supply Class
2.7 to 5.5
Operating Voltage (vcc)
2.7 to 5.5
Fpu
No
Mpu / Mmu
no / no
Timers
1
Output Compare Channels
8
Input Capture Channels
1
Pwm Channels
6
32khz Rtc
No
Calibrated Rc Oscillator
Yes
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74
AT90PWM81
• ADC5/ACMP2/INT1/SCK – Bit 5
ADC5, Analog to Digital Converter, input channel 5
ACMP2, Analog Comparator 2 Positive Input. Configure the port pin as input with the internal pull-up
switched off to avoid the digital port function from interfering with the function of the Analog
Comparator.
INT1, External Interrupt source 1. This pin can serve as an external interrupt source to the MCU.
SCK: Master Clock output, Slave Clock input pin for SPI channel. When the SPI is enabled as a slave, this
pin is configured as an input regardless of the setting of DDD4. When the SPI is enabled as a master, the
data direction of this pin is controlled by DDD4. When the pin is forced to be an input, the pull-up can still
be controlled by the PORT bit.
• MOSI/ADC3/ACMPM– Bit 4
MOSI: SPI Master Data output, Slave Data input for SPI channel. When the SPI is enabled as a slave, this
pin is configured as an input regardless of the setting of DDB1 When the SPI is enabled as a master, the
data direction of this pin is controlled by DDB1. When the pin is forced to be an input, the pull-up can still
be controlled by the PORTB1 and PUD bits.
ADC3, Analog to Digital Converter, input channel 3.
ACMPM, Analog Comparators Negative Input. Configure the port pin as input with the internal pull-up
switched off to avoid the digital port function from interfering with the function of the Analog
Comparator.
• PSCOUTR1/ADC2/ACMP2M– Bit 3
PSCOUTR1: Output 1 of PSCR.
ADC2, Analog to Digital Converter, input channel 2
ACMP2M, Analog Comparator 2 Negative Input. Configure the port pin as input with the internal pull-up
switched off to avoid the digital port function from interfering with the function of the Analog
Comparator.
• INT0/PSCOUT21 – Bit 2
INT0, External Interrupt source 0. This pin can serve as an external interrupt source to the MCU.
PSCOUT21: Output 1 of PSC 2.
• PSCOUT20 – Bit 1
PSCOUT20: Output 0 of PSC 2.
• T1/PSCOUT23/ACMP3_OUT – Bit 0
T1, Timer/Counter1 counter source.
PSCOUT23: Output 3 of PSC 2.
ACMP3_OUT, Analog Comparator3 Output.
.
.
7734P–AVR–08/10
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