AT32UC3C0256C Atmel Corporation, AT32UC3C0256C Datasheet - Page 661

• Manufacturer Part Number: AT32UC3C0256C
• Manufacturer: Atmel Corporation

Specifications of AT32UC3C0256C

• Flash (kbytes): 256 Kbytes
• Pin Count: 144
• Max. Operating Frequency: 66 MHz
• Cpu: 32-bit AVR
• Hardware Qtouch Acquisition: No
• Max I/o Pins: 123
• Ext Interrupts: 144
• Usb Transceiver: 1
• Quadrature Decoder Channels: 2
• Usb Speed: Full Speed
• Usb Interface: Device + OTG
• Spi: 7
• Twi (i2c): 3
• Uart: 5
• Can: 2
• Lin: 5
• Ssc: 1
• Ethernet: 1
• 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: 4
• Dac Resolution (bits): 12
• Temp. Sensor: No
• Crypto Engine: No
• Sram (kbytes): 68
• Self Program Memory: YES
• External Bus Interface: 1
• Dram Memory: sdram
• Nand Interface: No
• Picopower: No
• Temp. Range (deg C): -40 to 85
• I/o Supply Class: 3.0 to 3.6 or 4.5 to 5.5
• Operating Voltage (vcc): 3.0 to 3.6 or 4.5 to 5.5
• Fpu: Yes
• Mpu / Mmu: Yes / No
• Timers: 6
• Output Compare Channels: 22
• Input Capture Channels: 12
• Pwm Channels: 20
• 32khz Rtc: Yes
• Calibrated Rc Oscillator: Yes

26.7.3.1
Figure 26-5. Master Mode Block Diagram
32117C–AVR-08/11
Master mode block diagram
CLK_SPI
ure 26-6 on page 662
Figure 26-5 on page
NPCS0
MISO
MR
TDR
PCS
PCS
MSTR
CSR0..3
CSR0..3
PS
LSB
Baud Rate Generator
661shows a block diagram of the SPI when operating in master mode.
0
1
shows a flow chart describing how transfers are handled.
NCPHA
CPOL
BITS
SCBR
PCSDEC
CSR0..3
Clock
SPI
Shift Register
CSNAAT
CSAAT
TDR
RXFIFOEN
Peripheral
Current
RXFIFOEN
MODFDIS
TD
0
1
0
1
MSB
RDR
4 – Character FIFO
RDR
4 – Character FIFO
TDRE
MODF
RD
NPCS3
NPCS2
NPCS1
NPCS0
MOSI
SPCK
OVRES
RDRF
AT32UC3C
Fig-
661