ATxmega32A4 Atmel Corporation, ATxmega32A4 Datasheet - Page 315

• Manufacturer Part Number: ATxmega32A4
• Manufacturer: Atmel Corporation

Specifications of ATxmega32A4

• 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 Speed: No
• Usb Interface: No
• 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

25.18 Register Summary - ADC
This is the register summary when the ADC is configured to give standard 12-bit results. The register summary for 8-bit and
12-bit left adjusted will be similar, but with some changes in the result registers CHnRESH and CHnRESL.
25.19 Register Summary - ADC Channel
8077H–AVR–12/09
Address
Address
+0x00
+0x01
+0x02
+0x03
+0x04
+0x05
+0x06
+0x07
+0x08
+0x09
+0x0A
+0x0B
+0x0C
+0x0D
+0x0E
+0x0F
+0x10
+0x11
+0x12
+0x13
+0x14
+0x15
+0x16
+0x17
+0x18
+0x19
+0x1A
+0x1B
+0x1C
+0x1D
+0x1E
+0x1F
+0x20
+0x28
+0x30
+0x38
+0x00
+0x01
+0x02
+0x03
+0x04
+0x05
+0x06
+0x07
Name
Name
PRESCALER
CH0 Offset
CH1 Offset
CH2 Offset
CH3 Offset
INTFLAGS
CH0RESH
CH1RESH
CH2RESH
CH3RESH
REFCTRL
CH0RESL
CH1RESL
CH2RESL
CH3RESL
MUXCTRL
INTFLAGS
Reserved
Reserved
Reserved
Reserved
Reserved
Reserved
Reserved
Reserved
Reserved
Reserved
Reserved
Reserved
Reserved
EVCTRL
Reserved
Reserved
INTCTRL
CTRLA
CTRLB
CMPH
TEMP
CMPL
CALH
CALL
RESH
CTRL
RESL
Bit 7
START
Bit 7
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
DMASEL[1:0]
SWEEP[1:0]
Bit 6
Bit 6
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
Bit 5
Bit 5
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
REFSEL[1:0]
MUXPOS[3:0]
CONVMODE
EVSEL[2:0]
Bit 4
Bit 4
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
CH[3:0]START
CH0RES[15:8]
CH1RES[15:8]
CH2RES[15:8]
CH3RES[15:8]
CH0RES[7:0]
CH1RES[7:0]
CH2RES[7:0]
CH3RES[7:0]
TEMP[7:0]
CMP[15:8]
CMP[7:0]
RES[15:8]
CAL[7:0]
RES[7:0]
FREERUN
GAIN[2:0]
Bit 3
Bit 3
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
INTMODE[1:0]
Bit 2
Bit 2
-
-
-
-
-
-
-
-
-
-
-
-
-
-
RESOLUTION[1:0]
-
-
-
-
CAL[11:8]
CH[3:0]IF
PRESCALER[2:0]
BANDGAP
EVACT[2:0]
FLUSH
Bit 1
Bit 1
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
INPUTMODE[1:0]
MUXNEG[1:0]
INTLVL[1:0]
XMEGA A
TEMPREF
ENABLE
Bit 0
Bit 0
IF
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
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