ATxmega32A4U Atmel Corporation, ATxmega32A4U Datasheet - Page 376

• Manufacturer Part Number: ATxmega32A4U
• Manufacturer: Atmel Corporation

Specifications of ATxmega32A4U

• Flash (kbytes): 32 Kbytes
• Pin Count: 44
• Max. Operating Frequency: 32 MHz
• Cpu: 8-bit AVR
• # Of Touch Channels: 16
• Hardware Qtouch Acquisition: No
• Max I/o Pins: 34
• Ext Interrupts: 34
• Usb Transceiver: 1
• Usb Speed: Full Speed
• Usb Interface: Device
• Spi: 7
• Twi (i2c): 2
• Uart: 5
• Graphic Lcd: No
• Video Decoder: No
• Camera Interface: No
• Adc Channels: 12
• Adc Resolution (bits): 12
• Adc Speed (ksps): 2000
• Analog Comparators: 2
• Resistive Touch Screen: No
• Dac Channels: 2
• Dac Resolution (bits): 12
• Temp. Sensor: Yes
• Crypto Engine: AES/DES
• Sram (kbytes): 4
• Eeprom (bytes): 1024
• Self Program Memory: YES
• Dram Memory: No
• Nand Interface: No
• Picopower: Yes
• Temp. Range (deg C): -40 to 85
• I/o Supply Class: 1.6 to 3.6
• Operating Voltage (vcc): 1.6 to 3.6
• Fpu: No
• Mpu / Mmu: no / no
• Timers: 5
• Output Compare Channels: 16
• Input Capture Channels: 16
• Pwm Channels: 16
• 32khz Rtc: Yes
• Calibrated Rc Oscillator: Yes

28.17.3
8331A–AVR–07/11
INTCTRL – Channel Interrupt Control registers
Table 28-15 on page 376 andTable 28-16 on page 376
Table 28-15. ADC MUXNEG Configuration, INPUTMODE[1:0] = 10, Differential without gain
Table 28-16. ADC MUXNEG Configuration, INPUTMODE[1:0] = 11, Differential with gain
• Bits 7:4 – Reserved
These bits are unused and reserved for future use. For compatibility with future devices, always
write these bits to zero when this register is written.
• Bit 3:2 – INTMODE: ADC Interrupt Mode
These bits select the interrupt mode for the channel according to
Bit
+0x02
Read/Write
Initial Value
MUXNEG[2:0]
MUXNEG[2:0]
000
001
010
011
100
101
110
111
000
001
010
011
100
101
110
111
R
7
–
0
R
6
–
0
PIN0
PIN1
PIN2
PIN3
-
GND
-
INTGND
PIN4
PIN5
PIN6
PIN7
INTGND
-
-
GND
Group Configuration
Group Configuration
R
5
–
0
R
4
–
0
Atmel AVR XMEGA AU
R/W
3
0
INTMODE[1:0}
shows the possible input sections.
R/W
2
0
Table
Internal ground
Internal ground
Analog input
Analog input
PAD ground
PAD ground
ADC0 pin
ADC1 pin
ADC2 pin
ADC3 pin
Reserved
Reserved
ADC4 pin
ADC5 pin
ADC6 pin
ADC7 pin
Reserved
Reserved
R/W
28-17.
1
0
INTLVL[1:0]
R/W
0
0
INTCTRL
376