AT32UC3A4256 Atmel Corporation, AT32UC3A4256 Datasheet - Page 5

• Manufacturer Part Number: AT32UC3A4256
• Manufacturer: Atmel Corporation

Specifications of AT32UC3A4256

• Flash (kbytes): 256 Kbytes
• Pin Count: 100
• Max. Operating Frequency: 66 MHz
• Cpu: 32-bit AVR
• Hardware Qtouch Acquisition: No
• Usb Transceiver: 1
• Usb Speed: Hi-Speed
• Usb Interface: Device + OTG
• Spi: 6
• Twi (i2c): 2
• Uart: 4
• Ssc: 1
• Sd / Emmc: 2
• Graphic Lcd: No
• Video Decoder: No
• Camera Interface: No
• Adc Channels: 8
• Adc Resolution (bits): 10
• Resistive Touch Screen: No
• Temp. Sensor: No
• Crypto Engine: No
• Sram (kbytes): 128
• Self Program Memory: YES
• Dram Memory: No
• Nand Interface: Yes
• Picopower: No
• Temp. Range (deg C): -40 to 85
• I/o Supply Class: 3.0 to 3.6
• Operating Voltage (vcc): 3.0 to 3.6
• Fpu: No
• Mpu / Mmu: Yes / No
• Timers: 6
• Output Compare Channels: 6
• Input Capture Channels: 6
• 32khz Rtc: Yes
• Calibrated Rc Oscillator: Yes

2.2
32072G–11/2011
Configuration Summary
The table below lists all AT32UC3A3/A4 memory and package configurations:
Table 2-1.
Feature
Flash
SRAM
HSB RAM
EBI
GPIO
External Interrupts
TWI
USART
Peripheral DMA Channels
Generic DMA Channels
SPI
MCI slots
High Speed USB
AES (S option)
SSC
Audio Bitstream DAC
Timer/Counter Channels
Watchdog Timer
Real-Time Clock Timer
Power Manager
Oscillators
10-bit ADC
number of channels
JTAG
Max Frequency
Package
Configuration Summary
LQFP144, TFBGA144
AT32UC3A3256/128/64
Crystal Oscillators 0.4-20 MHz (OSC0/OSC1)
2 MMC/SD slots
Crystal Oscillator 32 KHz (OSC32K)
RC Oscillator 115 kHz (RCSYS)
PLL 80-240 MHz (PLL0/PLL1)
Full
110
256/128/64 KB
66 MHz
64 KB
64 KB
8
2
4
8
4
2
1
1
1
1
6
1
1
1
1
8
1
AT32UC3A4256/128/64
Nand flash only
1 MMC/SD slot
VFBGA100
+ 1 SD slot
70
5