ATXMEGA32A4-CU Atmel, ATXMEGA32A4-CU Datasheet - Page 309
ATXMEGA32A4-CU
Manufacturer Part Number
ATXMEGA32A4-CU
Description
MCU AVR 32+4 FLASH 49VFBGA
Manufacturer
Atmel
Series
AVR® XMEGAr
Specifications of ATXMEGA32A4-CU
Core Processor
AVR
Core Size
8/16-Bit
Speed
32MHz
Connectivity
I²C, IrDA, SPI, UART/USART
Peripherals
Brown-out Detect/Reset, DMA, POR, PWM, WDT
Number Of I /o
34
Program Memory Size
32KB (16K x 16)
Program Memory Type
FLASH
Eeprom Size
2K x 8
Ram Size
4K x 8
Voltage - Supply (vcc/vdd)
1.6 V ~ 3.6 V
Data Converters
A/D 12x12b, D/A 2x12b
Oscillator Type
Internal
Operating Temperature
-40°C ~ 85°C
Package / Case
49-VFBGA
Processor Series
ATXMEGA32x
Core
AVR8
Data Bus Width
8 bit, 16 bit
Data Ram Size
4 KB
Interface Type
I2C, SPI, USART
Maximum Clock Frequency
32 MHz
Number Of Programmable I/os
36
Number Of Timers
5
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, 1 Channel
On-chip Dac
2 bit, 1 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
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25.16.13 CMPL - ADC Compare register Low
25.17 Register Description - ADC Channel
25.17.1
8077H–AVR–12/09
CTRL - ADC Channel Control Register
• Bits 7:0 - CMP[15:0]: ADC Compare value high byte
These are the 8 MSB of the 16-bit ADC compare value. In signed mode, the number representa-
tion is 2's complement and the MSB is the sign bit.
• Bits 7:0 - CMP[7:0]: ADC compare value high byte
These are the 8 LSB of the 16-bit ADC compare value. In signed mode, the number representa-
tion is 2's complement.
• Bit 7 - START: START Conversion on Channel
Writing this to one will start a conversion on the channel. The bit is cleared by hardware when
the conversion has started. Setting this bit when it already is set will have no effect. Writing or
reading these bits is equivalent to writing the CH[3:0]START bits in
ister A” on page
• Bits 6:5 - 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.
• Bits 4:3 - GAIN[2:0]: ADC Gain Factor
These bits define the gain factor in order to amplify input signals before ADC conversion.
Bit
+0x18
Read/Write
Initial Value
Bit
+0x19
Read/Write
Initial Value
Bit
+0x00
Read/Write
Initial Value
START
R/W
7
0
R/W
R/W
7
0
7
0
302.
R
R/W
6
0
R/W
-
6
0
6
0
R/W
R
R/W
5
0
-
5
0
5
0
R/W
R/W
R/W
4
0
4
0
4
0
CMP[15:0]
CMP[7:0]
GAIN[2:0}
R/W
R/W
R/W
3
0
3
0
3
0
R/W
R/W
R/W
2
0
2
0
2
0
”CTRLA - ADC Control Reg-
R/W
R/W
R/W
INPUTMODE[1:0]
1
0
1
0
1
0
XMEGA A
R/W
R/W
R/W
0
0
0
0
0
0
CMPH
CMPL
CTRL
309
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