ATxmega256A3U Atmel Corporation, ATxmega256A3U Datasheet - Page 65

• Manufacturer Part Number: ATxmega256A3U
• Manufacturer: Atmel Corporation

Specifications of ATxmega256A3U

• Flash (kbytes): 256 Kbytes
• Pin Count: 64
• Max. Operating Frequency: 32 MHz
• Cpu: 8-bit AVR
• # Of Touch Channels: 16
• Hardware Qtouch Acquisition: No
• Max I/o Pins: 50
• Ext Interrupts: 50
• Usb Transceiver: 1
• Usb Speed: Full Speed
• Usb Interface: Device
• Spi: 10
• Twi (i2c): 2
• Uart: 7
• Graphic Lcd: No
• Video Decoder: No
• Camera Interface: No
• Adc Channels: 16
• Adc Resolution (bits): 12
• Adc Speed (ksps): 2000
• Analog Comparators: 4
• Resistive Touch Screen: No
• Dac Channels: 2
• Dac Resolution (bits): 12
• Temp. Sensor: Yes
• Crypto Engine: AES/DES
• Sram (kbytes): 16
• Eeprom (bytes): 4096
• 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: 7
• Output Compare Channels: 22
• Input Capture Channels: 22
• Pwm Channels: 22
• 32khz Rtc: Yes
• Calibrated Rc Oscillator: Yes

Table 35-1.
Notes:
8386A–AVR–07/11
Symbol
I
Module and peripheral power consumption
I
CC
CC
1. All Power Reduction Registers set.
2. Maximum limits are based on characterization and not tested in production.
Parameter
Power-save power
consumption
Reset power consumption
ULP oscillator
32.768kHz int. oscillator
2MHz int. oscillator
32MHz int. oscillator
PLL
Real Time Counter
Watchdog Timer
BOD
Internal 1.0V reference
Temperature sensor
ADC
DAC
AC
DMA
Timer/Counter
USART
Flash memory and EEPROM programming
Current Consumption for Active and sleep modes (Continued)
(2)
Condition
RTC on ULP clock, WDT and
sampled BOD enabled, T = 25°C
RTC on 1.024kHz low power
32.768kHz TOSC, T = 25°C
RTC from low power 32.768kHz
TOSC, T = 25°C
Current through RESET pin
substracted
DFLL enabled with 32.768kHz int. osc. as reference
DFLL enabled with 32.768kHz int. osc. as reference
Multiplication factor = 20x
Continuous mode
Sampled mode, include ULP oscillator
250 kSPS
VREF = Ext ref
250kSPS
VREF = Ext ref
No load
High Speed Mode
Low Power Mode
615KBps between I/O registers and SRAM
Rx and Tx enabled, 9600 BAUD
(3)
CURRLIMIT = LOW
CURRLIMIT = MEDIUM
CURRLIMIT = HIGH
Normal mode
Low Power mode
V
V
V
V
V
V
CC
CC
CC
CC
CC
CC
= 3.0V
= 1.8V
= 3.0V
= 1.8V
= 3.0V
= 3.0V
Min
XMEGA A3U
0.015
1150
1.15
2.61
2.16
1.06
1.63
1.06
Typ
115
270
460
220
138
100
330
130
115
1.3
0.5
0.7
0.9
1.2
3.0
2.5
27
85
95
16
1
4
Max
2
2
3
3
Units
mA
mA
µA
µA
µA
65