AT90PWM2B Atmel Corporation, AT90PWM2B Datasheet - Page 358

• Manufacturer Part Number: AT90PWM2B
• Manufacturer: Atmel Corporation

Specifications of AT90PWM2B

• Flash (kbytes): 8 Kbytes
• Pin Count: 24
• Max. Operating Frequency: 16 MHz
• Cpu: 8-bit AVR
• # Of Touch Channels: 8
• Hardware Qtouch Acquisition: No
• Max I/o Pins: 19
• Ext Interrupts: 4
• Usb Speed: No
• Usb Interface: No
• Spi: 1
• Uart: 1
• Graphic Lcd: No
• Video Decoder: No
• Camera Interface: No
• Adc Channels: 8
• Adc Resolution (bits): 10
• Adc Speed (ksps): 125
• Analog Comparators: 2
• Resistive Touch Screen: No
• Dac Channels: 1
• Dac Resolution (bits): 10
• 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 105
• I/o Supply Class: 2.7 to 5.5
• Operating Voltage (vcc): 2.7 to 5.5
• Fpu: No
• Mpu / Mmu: no / no
• Timers: 4
• Output Compare Channels: 12
• Input Capture Channels: 1
• Pwm Channels: 7
• 32khz Rtc: No
• Calibrated Rc Oscillator: Yes

v
AT90PWM2/3/2B/3B
22 Digital to Analog Converter - DAC 258
23 debugWIRE On-chip Debug System 263
24 Boot Loader Support – Read-While-Write Self-Programming 264
25 Memory Programming 278
21.7
21.8
21.9
21.10
22.1
22.2
22.3
22.4
23.1
23.2
23.3
23.4
23.5
23.6
24.1
24.2
24.3
24.4
24.5
24.6
24.7
25.1
25.2
25.3
25.4
25.5
25.6
25.7
25.8
25.9
ADC Conversion Result 244
ADC Register Description 246
Amplifier 251
Amplifier Control Registers 255
Features 258
Operation 259
Starting a Conversion 259
DAC Register Description 260
Features 263
Overview 263
Physical Interface 263
Software Break Points 264
Limitations of debugWIRE 264
debugWIRE Related Register in I/O Memory 264
Boot Loader Features 265
Application and Boot Loader Flash Sections 265
Read-While-Write and No Read-While-Write Flash Sections 265
Boot Loader Lock Bits 268
Entering the Boot Loader Program 269
Addressing the Flash During Self-Programming 271
Self-Programming the Flash 272
Program And Data Memory Lock Bits 278
Fuse Bits 280
PSC Output Behaviour During Reset 280
Signature Bytes 282
Calibration Byte 282
Parallel Programming Parameters, Pin Mapping, and Commands 282
Serial Programming Pin Mapping 284
Parallel Programming 285
Serial Downloading 293
4317J–AVR–08/10