AT90PWM81 Atmel Corporation, AT90PWM81 Datasheet - Page 322
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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Price
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Manufacturer:
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AT90PWM81
19
20
21
22
debugWIRE On-chip Debug System ..................................................................231
Boot Loader Support – Read-While-Write Self-Programming .........................232
Memory Programming .......................................................................................247
Electrical Characteristics
18.3Starting a Conversion ......................................................................................................... 227
18.4DAC Register Description ................................................................................................. 228
19.1Features .............................................................................................................................. 231
19.2Overview ............................................................................................................................ 231
19.3Physical Interface ............................................................................................................... 231
19.4Software Break Points ........................................................................................................ 232
19.5Limitations of debugWIRE ................................................................................................ 232
19.6debugWIRE Related Register in I/O Memory ................................................................... 232
20.1Boot Loader Features ......................................................................................................... 233
20.2Application and Boot Loader Flash Sections ..................................................................... 233
20.3Read-While-Write and No Read-While-Write Flash Sections .......................................... 233
20.4Boot Loader Lock Bits ....................................................................................................... 236
20.5Entering the Boot Loader Program .................................................................................... 237
20.6Addressing the Flash During Self-Programming ............................................................... 239
20.7Self-Programming the Flash ............................................................................................... 240
21.1Program And Data Memory Lock Bits .............................................................................. 247
21.2Fuse Bits ............................................................................................................................. 249
21.3Signature Bytes .................................................................................................................. 252
21.4Calibration Byte ................................................................................................................. 252
21.5Parallel Programming Parameters, Pin Mapping, and Commands .................................... 252
21.6Serial Programming Pin Mapping ...................................................................................... 254
21.7Parallel Programming ......................................................................................................... 255
21.8Serial Downloading ............................................................................................................ 261
22.1Absolute Maximum Ratings* ............................................................................................. 265
22.2DC Characteristics .............................................................................................................. 266
22.3Clock Drive Characteristics ............................................................................................... 270
22.4Maximum Speed vs. V
22.5PLL Characteristics ............................................................................................................ 272
22.6SPI Timing Characteristics ................................................................................................. 273
22.7ADC Characteristics ........................................................................................................... 275
22.8DAC Characteristics ........................................................................................................... 277
CC ................................................................................................................................................. 271
(1) ..................................................................................................................... 265
7734P–AVR–08/10
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