ATmega8535 Atmel Corporation, ATmega8535 Datasheet - Page 318

• Manufacturer Part Number: ATmega8535
• Manufacturer: Atmel Corporation

Specifications of ATmega8535

• Flash (kbytes): 8 Kbytes
• Pin Count: 44
• Max. Operating Frequency: 16 MHz
• Cpu: 8-bit AVR
• # Of Touch Channels: 16
• Hardware Qtouch Acquisition: No
• Max I/o Pins: 32
• Ext Interrupts: 3
• Usb Speed: No
• Usb Interface: No
• Spi: 1
• Twi (i2c): 1
• Uart: 1
• Graphic Lcd: No
• Video Decoder: No
• Camera Interface: No
• Adc Channels: 8
• Adc Resolution (bits): 10
• Adc Speed (ksps): 15
• Analog Comparators: 1
• Resistive Touch Screen: No
• Temp. Sensor: No
• Crypto Engine: No
• Sram (kbytes): 0.5
• Eeprom (bytes): 512
• Self Program Memory: YES
• Dram Memory: No
• Nand Interface: No
• Picopower: No
• Temp. Range (deg C): -40 to 85
• I/o Supply Class: 2.7 to 5.5
• Operating Voltage (vcc): 2.7 to 5.5
• Fpu: No
• Mpu / Mmu: no / no
• Timers: 3
• Output Compare Channels: 4
• Input Capture Channels: 1
• Pwm Channels: 4
• 32khz Rtc: Yes
• Calibrated Rc Oscillator: Yes

iv
ATmega8535(L)
Boot Loader Support – Read-While-Write Self-Programming ..... 224
Memory Programming..................................................................... 237
Electrical Characteristics................................................................ 255
ATmega8535 Typical Characteristics ............................................ 266
Register Summary ........................................................................... 299
Instruction Set Summary ................................................................ 301
Ordering Information....................................................................... 304
Packaging Information .................................................................... 306
Prescaling and Conversion Timing ................................................................... 209
Changing Channel or Reference Selection ...................................................... 212
ADC Noise Canceler......................................................................................... 214
ADC Conversion Result.................................................................................... 218
Boot Loader Features ....................................................................................... 224
Application and Boot Loader Flash Sections .................................................... 224
Read-While-Write and No Read-While-Write Flash Sections........................... 224
Boot Loader Lock Bits....................................................................................... 226
Entering the Boot Loader Program ................................................................... 227
Addressing the Flash during Self-Programming ............................................... 229
Self-Programming the Flash ............................................................................. 230
Program And Data Memory Lock Bits .............................................................. 237
Fuse Bits........................................................................................................... 238
Signature Bytes ................................................................................................ 239
Calibration Byte ................................................................................................ 239
Parallel Programming Parameters, Pin Mapping, and Commands .................. 240
Parallel Programming ....................................................................................... 242
Serial Downloading........................................................................................... 251
Absolute Maximum Ratings*............................................................................. 255
DC Characteristics............................................................................................ 255
External Clock Drive Waveforms ...................................................................... 258
External Clock Drive ......................................................................................... 258
Two-wire Serial Interface Characteristics ......................................................... 259
SPI Timing Characteristics ............................................................................... 261
ADC Characteristics ......................................................................................... 263
44A ................................................................................................................... 306
40P6 ................................................................................................................. 307
44J .................................................................................................................... 308
44M1-A ............................................................................................................. 309
2502K–AVR–10/06