ATxmega256A3U Atmel Corporation, ATxmega256A3U Datasheet - Page 54

• 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 31-3.
Notes:
Table 31-4.
Table 31-5.
8386A–AVR–07/11
PORT C
PC0
PC1
PC2
PC3
PC4
PC5
PC6
PC7
GND
VCC
PORT D
PD0
PD1
PD2
PD3
PD4
PD5
PD6
PD7
GND
VCC
PORT E
PE0
PE1
PE2
PE3
PE4
PE5
PE6
PE7
GND
VCC
1. Pin mapping of all TC0 can optionally be moved to high nibble of port.
2. Pin mapping of all USART0 can optionally be moved to high nibble of port.
3. Pins MOSI and SCK for all SPI can optionally be swapped.
4. CLKOUT can optionally be moved between port C, D and E and between pin 4 and 7.
5. EVOUT can optionally be moved between port C, D and E and between pin 4 and 7.
PIN #
PIN #
PIN #
36
37
38
39
40
41
42
43
44
45
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
33
34
Port C - Alternate functions
Port D - Alternate functions
Port E - Alternate functions
SYNC/ASYNC
INTERRUPT
SYNC/ASYNC
INTERRUPT
SYNC/ASYNC
INTERRUPT
SYNC
SYNC
SYNC
SYNC
SYNC
SYNC
SYNC
SYNC
SYNC
SYNC
SYNC
SYNC
SYNC
SYNC
SYNC
SYNC
SYNC
SYNC
SYNC
SYNC
SYNC
TCE0
TCC0
OC0A
OC0B
OC0C
OC0D
OC0A
OC0B
OC0C
OC0D
TCD0
OC0C
OC0D
OC0A
OC0B
(1)
AWEXE
OC0AHS
OC0BHS
OC0CLS
OC0CHS
OC0DLS
OC0DHS
OC0ALS
OC0BLS
AWEXC
OC0AHS
OC0BHS
OC0CHS
OC0DHS
OC0ALS
OC0BLS
OC0CLS
OC0DLS
TCD1
OC1A
OC1B
TCE1
OC1A
OC1B
TCC1
OC1A
OC1B
USBD
D+
D-
USARTE0
USARTC0
RXD0
XCK0
TXD0
USARTD0
XCK0
RXD0
TXD0
RXD0
XCK0
TXD0
(2)
USARTE1
RXD1
XCK1
TXD1
USARTC1
USARTD1
XCK1
RXD1
TXD1
RXD1
XCK1
TXD1
SPIE
MOSI
MISO
SCK
SS
SPIC
MOSI
MISO
SPID
MOSI
MISO
SCK
SCK
SS
SS
(3)
TWIE
SDA
SCL
TWIC
SDA
TWID
SCL
SDA
SCL
XMEGA A3U
CLOCKOUT
CLOCKOUT
CLOCKOUT
RTCOUT
clk
clk
PER
clk
PER
PER
(4)
EVENTOUT
EVENTOUT
EVENTOUT
EVOUT
EVOUT
EVOUT
(5)
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