AT32UC3B1256-Z1UR Atmel, AT32UC3B1256-Z1UR Datasheet - Page 336

• Manufacturer Part Number: AT32UC3B1256-Z1UR
• Description: MCU AVR32 256K FLASH 48-QFN
• Manufacturer: Atmel
• Series: AVR®32 UC3r

Specifications of AT32UC3B1256-Z1UR

• Package / Case: 48-QFN Exposed Pad
• Voltage - Supply (vcc/vdd): 1.65 V ~ 1.95 V
• Operating Temperature: -40°C ~ 85°C
• Speed: 60MHz
• Number Of I /o: 28
• Core Processor: AVR
• Program Memory Type: FLASH
• Ram Size: 32K x 8
• Program Memory Size: 256KB (256K x 8)
• Data Converters: A/D 6x10b
• Oscillator Type: Internal
• Peripherals: Brown-out Detect/Reset, DMA, POR, PWM, WDT
• Connectivity: I²C, IrDA, SPI, SSC, UART/USART, USB
• Core Size: 32-Bit
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Eeprom Size: -

Figure 21-37. SPI Transfer Format (CPHA=1, 8 bits per transfer)
Figure 21-38. SPI Transfer Format (CPHA=0, 8 bits per transfer)
32059J–12/2010
SPI Master -> RXD
CLK cycle (for reference)
SPI Master -> TXD
SPI Master -> RTS
SPI Master ->RXD
SPI Master ->TXD
SPI Master ->RTS
SPI Slave -> RXD
SPI Slave -> TXD
SPI Slave -> CTS
CLK cycle (for reference)
SPI Slave ->RXD
SPI Slave ->TXD
SPI Slave ->CTS
(CPOL= 0)
(CPOL= 0)
(CPOL= 1)
(CPOL= 1)
MOSI
MISO
MOSI
MISO
CLK
NSS
CLK
CLK
NSS
CLK
MSB
1
MSB
1
MSB
MSB
2
6
6
2
6
6
3
5
5
3
5
5
4
4
4
4
4
4
5
3
3
5
3
3
6
2
2
6
2
2
7
1
1
7
1
1
8
LSB
LSB
AT32UC3B
8
LSB
LSB
336