AT90PWM2B Atmel Corporation, AT90PWM2B Datasheet - Page 234

• 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

Figure 21-1. Analog to Digital Converter Block Schematic
234
AMP1+/ADC9
AMP1-/ADC8
Bandgap
AT90PWM2/3/2B/3B
AMP0+
ADC10
AMP0-
ADC0
ADC1
ADC2
ADC3
ADC4
ADC5
ADC6
ADC7
AVCC
AREF
GND
REFS1
AMP0CSR
-
REFS0
Internal 2.56V
Reference
ADLAR
-
+
-
AMP1CSR
-
-
ADMUX
+
ADASCR
-
REFS0
Detector
MUX3
ADCSRB
Edge
ADTS3
Only on AT90PWM2/3
MUX2
ADTS2
MUX1
ADATE
ADTS1
MUX0
ADTS0
REFS1
CONTROL
ADEN
ADSC
+
-
Coarse/Fine DAC
ADATE
ADIF
ADCSRA
CK
ADIE
CK
SAR
10
ADC
ADPS2
PRESCALER
CK
ADPS1
ADC
ADPS0
10
10
ADC CONVERSION
COMPLETE IRQ
4317J–AVR–08/10
ADCH
ADCL