ATXMEGA256A3B-MH Atmel, ATXMEGA256A3B-MH Datasheet - Page 315

• Manufacturer Part Number: ATXMEGA256A3B-MH
• Description: MCU AVR 256KB FLASH A3B 64-QFN
• Manufacturer: Atmel
• Series: AVR® XMEGAr

Specifications of ATXMEGA256A3B-MH

• Core Processor: AVR
• Core Size: 8/16-Bit
• Speed: 32MHz
• Connectivity: I²C, SPI, UART/USART
• Peripherals: Brown-out Detect/Reset, DMA, POR, PWM, WDT
• Number Of I /o: 49
• Program Memory Size: 256KB (128K x 16)
• Program Memory Type: FLASH
• Eeprom Size: 4K x 8
• Ram Size: 16K x 8
• Voltage - Supply (vcc/vdd): 1.6 V ~ 3.6 V
• Data Converters: A/D 16x12b; D/A 2x12b
• Oscillator Type: Internal
• Operating Temperature: -40°C ~ 85°C
• Package / Case: 64-MLF®, 64-QFN
• Processor Series: ATXMEGA256x
• Core: AVR8
• Data Bus Width: 8 bit, 16 bit
• Data Ram Size: 16 KB
• Interface Type: I2C, SPI, USART
• Maximum Clock Frequency: 32 MHz
• Number Of Programmable I/os: 49
• Number Of Timers: 7
• Operating Supply Voltage: 1.6 V to 3.6 V
• Maximum Operating Temperature: + 85 C
• Mounting Style: SMD/SMT
• 3rd Party Development Tools: EWAVR, EWAVR-BL
• Development Tools By Supplier: ATAVRDRAGON, ATAVRISP2, ATAVRONEKIT
• Minimum Operating Temperature: - 40 C
• On-chip Adc: 12 bit, 8 Channel
• On-chip Dac: 12 bit, 2 Channel
• For Use With: ATAVRONEKIT - KIT AVR/AVR32 DEBUGGER/PROGRMMRATSTK600 - DEV KIT FOR AVR/AVR32770-1007 - ISP 4PORT ATMEL AVR MCU SPI/JTAG770-1004 - ISP 4PORT FOR ATMEL AVR MCU SPI
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Other names: ATXMEGA256A3B-MU; ATXMEGA256A3B-MU

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
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
Page
Page
302
302
303
304
306
306
307
307
308
307
308
307
308
307
308
307
309
308
310
309
312
313
314
313
315