AT32UC3B1256 Atmel Corporation, AT32UC3B1256 Datasheet - Page 298

• Manufacturer Part Number: AT32UC3B1256
• Manufacturer: Atmel Corporation

Specifications of AT32UC3B1256

• Flash (kbytes): 256 Kbytes
• Pin Count: 48
• Max. Operating Frequency: 60 MHz
• Cpu: 32-bit AVR
• # Of Touch Channels: 32
• Hardware Qtouch Acquisition: No
• Max I/o Pins: 28
• Ext Interrupts: 28
• Usb Transceiver: 1
• Usb Speed: Full Speed
• Usb Interface: Device
• Spi: 3
• Twi (i2c): 1
• Uart: 2
• Graphic Lcd: No
• Video Decoder: No
• Camera Interface: No
• Adc Channels: 6
• Adc Resolution (bits): 10
• Adc Speed (ksps): 384
• Resistive Touch Screen: No
• Temp. Sensor: No
• Crypto Engine: No
• Sram (kbytes): 32
• Self Program Memory: YES
• Dram Memory: No
• Nand Interface: No
• Picopower: No
• Temp. Range (deg C): -40 to 85
• I/o Supply Class: 3.0-3.6 or (1.65-1.95+3.0-3.6)
• Operating Voltage (vcc): 3.0-3.6 or (1.65-1.95+3.0-3.6)
• Fpu: No
• Mpu / Mmu: Yes / No
• Timers: 10
• Output Compare Channels: 16
• Input Capture Channels: 6
• Pwm Channels: 13
• 32khz Rtc: Yes
• Calibrated Rc Oscillator: Yes

21.3
Figure 21-1. USART Block Diagram
32059L–AVR32–01/2012
Block Diagram
Manager
Power
INTC
Table 21-1.
PIN
RXD
TXD
RTS
CTS
Interrupt
USART
DIV
CLK_USART
CLK_USART/DIV
SPI Operating Mode
USART
Peripheral bus
USART
RXD
TXD
RTS
CTS
Channel
Peripheral DMA
Controller
Interface
User
Channel
Transmitter
BaudRate
Generator
Receiver
Modem
Signals
Control
SPI Slave
MOSI
MISO
–
CS
Controller
I/O
SPI Master
MISO
MOSI
CS
–
RXD
DSR
DCD
RTS
TXD
CTS
DTR
CLK
RI
298