at90pwm81-16se ATMEL Corporation, at90pwm81-16se Datasheet - Page 319

• Manufacturer Part Number: at90pwm81-16se
• Description: 8-bit Avr Microcontroller With 8k Bytes In- System Programmable Flash
• Manufacturer: ATMEL Corporation

7734M–AVR–03/10
20
21
22
23
debugWIRE On-chip Debug System ..................................................................231
Boot Loader Support – Read-While-Write Self-Programming .........................232
Memory Programming .......................................................................................247
Electrical Characteristics
19.3Starting a Conversion ......................................................................................................... 227
19.4DAC Register Description ................................................................................................. 228
20.1Features .............................................................................................................................. 231
20.2Overview ............................................................................................................................ 231
20.3Physical Interface ............................................................................................................... 231
20.4Software Break Points ........................................................................................................ 232
20.5Limitations of debugWIRE ................................................................................................ 232
20.6debugWIRE Related Register in I/O Memory ................................................................... 232
21.1Boot Loader Features ......................................................................................................... 233
21.2Application and Boot Loader Flash Sections ..................................................................... 233
21.3Read-While-Write and No Read-While-Write Flash Sections .......................................... 233
21.4Boot Loader Lock Bits ....................................................................................................... 236
21.5Entering the Boot Loader Program .................................................................................... 237
21.6Addressing the Flash During Self-Programming ............................................................... 239
21.7Self-Programming the Flash ............................................................................................... 240
22.1Program And Data Memory Lock Bits .............................................................................. 247
22.2Fuse Bits ............................................................................................................................. 249
22.3Signature Bytes .................................................................................................................. 252
22.4Calibration Byte ................................................................................................................. 252
22.5Parallel Programming Parameters, Pin Mapping, and Commands .................................... 252
22.6Serial Programming Pin Mapping ...................................................................................... 254
22.7Parallel Programming ......................................................................................................... 255
22.8Serial Downloading ............................................................................................................ 261
23.1Absolute Maximum Ratings* ............................................................................................. 265
23.2DC Characteristics .............................................................................................................. 266
23.3Clock Drive Characteristics ............................................................................................... 269
23.4Maximum Speed vs. V
23.5PLL Characteristics ............................................................................................................ 270
23.6SPI Timing Characteristics ................................................................................................. 271
23.7ADC Characteristics ........................................................................................................... 273
23.8DAC Characteristics ........................................................................................................... 275
CC ................................................................................................................................................. 270
(1) ..................................................................................................................... 265
AT90PWM81
319