AT32UC3B1256-Z1UR Atmel, AT32UC3B1256-Z1UR Datasheet - Page 350

• 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: -

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32059J–12/2010
RI: Image of RI Input
CTSIC: Clear to Send Input Change Flag
DCDIC: Data Carrier Detect Input Change Flag
DSRIC: Data Set Ready Input Change Flag
RIIC: Ring Indicator Input Change Flag
NACK: Non Acknowledge
RXBUFF: Reception Buffer Full
ITER/UNRE: Max number of Repetitions Reached or SPI Underrun Error
TXEMPTY: Transmitter Empty
TIMEOUT: Receiver Time-out
PARE: Parity Error
FRAME: Framing Error
OVRE: Overrun Error
RXBRK: Break Received/End of Break
TXRDY: Transmitter Ready
0: RI is at 0.
1: RI is at 1.
0: No input change has been detected on the CTS pin since the last read of CSR.
1: At least one input change has been detected on the CTS pin since the last read of CSR.
0: No input change has been detected on the DCD pin since the last read of CSR.
1: At least one input change has been detected on the DCD pin since the last read of CSR.
0: No input change has been detected on the DSR pin since the last read of CSR.
1: At least one input change has been detected on the DSR pin since the last read of CSR.
0: No input change has been detected on the RI pin since the last read of CSR.
1: At least one input change has been detected on the RI pin since the last read of CSR.
0: No Non Acknowledge has not been detected since the last RSTNACK.
1: At least one Non Acknowledge has been detected since the last RSTNACK.
0: The signal Buffer Full from the Receive Peripheral DMA Controller channel is inactive.
1: The signal Buffer Full from the Receive Peripheral DMA Controller channel is active.
If USART does not operate in SPI Slave Mode (MODE … 0xF):
ITER = 0: Maximum number of repetitions has not been reached since the last RSTSTA.
ITER = 1: Maximum number of repetitions has been reached since the last RSTSTA.
If USART operates in SPI Slave Mode (MODE = 0xF):
UNRE = 0: No SPI underrun error has occurred since the last RSTSTA.
UNRE = 1: At least one SPI underrun error has occurred since the last RSTSTA.
0: There are characters in either THR or the Transmit Shift Register, or the transmitter is disabled.
1: There are no characters in THR, nor in the Transmit Shift Register.
0: There has not been a time-out since the last Start Time-out command (STTTO in CR) or the Time-out Register is 0.
1: There has been a time-out since the last Start Time-out command (STTTO in CR).
0: No parity error has been detected since the last RSTSTA.
1: At least one parity error has been detected since the last RSTSTA.
0: No stop bit has been detected low since the last RSTSTA.
1: At least one stop bit has been detected low since the last RSTSTA.
0: No overrun error has occurred since the last RSTSTA.
1: At least one overrun error has occurred since the last RSTSTA.
0: No Break received or End of Break detected since the last RSTSTA.
1: Break Received or End of Break detected since the last RSTSTA.
0: A character is in the THR waiting to be transferred to the Transmit Shift Register, or an STTBRK command has been
1: There is no character in the THR.
requested, or the transmitter is disabled. As soon as the transmitter is enabled, TXRDY becomes 1.
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