AT32UC3B0512AU Atmel Corporation, AT32UC3B0512AU Datasheet - Page 253

• Manufacturer Part Number: AT32UC3B0512AU
• Manufacturer: Atmel Corporation

Specifications of AT32UC3B0512AU

• Flash (kbytes): 512 Kbytes
• Pin Count: 64
• Max. Operating Frequency: 60 MHz
• Cpu: 32-bit AVR
• # Of Touch Channels: 32
• Hardware Qtouch Acquisition: No
• Max I/o Pins: 44
• Ext Interrupts: 44
• Usb Transceiver: 1
• Usb Speed: Full Speed
• Usb Interface: Device + OTG
• Spi: 4
• Twi (i2c): 1
• Uart: 3
• Ssc: 1
• Graphic Lcd: No
• Video Decoder: No
• Camera Interface: No
• Adc Channels: 8
• Adc Resolution (bits): 10
• Adc Speed (ksps): 384
• Resistive Touch Screen: No
• Dac Channels: 2
• Dac Resolution (bits): 16
• Temp. Sensor: No
• Crypto Engine: No
• Sram (kbytes): 96
• 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

• SVACC: Slave Access (automatically set / reset)
• SVREAD: Slave Read (automatically set / reset)
• TXRDY: Transmit Holding Register Ready (automatically set / reset)
• RXRDY: Receive Holding Register Ready (automatically set / reset)
• TXCOMP: Transmission Completed (automatically set / reset)
32059L–AVR32–01/2012
1 = A General Call has been detected. After the detection of General Call, the programmer decoded the commands that follow
and the programming sequence.
GACC behavior can be seen in
This bit is only used in Slave mode.
0 = TWI is not addressed. SVACC is automatically cleared after a NACK or a STOP condition is detected.
1 = Indicates that the address decoding sequence has matched (A Master has sent SADR). SVACC remains high until a NACK
or a STOP condition is detected.
SVACC behavior can be seen in
19-30 on page
This bit is only used in Slave mode. When SVACC is low (no Slave access has been detected) SVREAD is irrelevant.
0 = Indicates that a write access is performed by a Master.
1 = Indicates that a read access is performed by a Master.
SVREAD behavior can be seen in
19-30 on page
TXRDY used in Master mode:
0 = The transmit holding register has not been transferred into shift register. Set to 0 when writing into THR register.
1 = As soon as a data byte is transferred from THR to internal shifter or if a NACK error is detected, TXRDY is set at the same
time as TXCOMP and NACK. TXRDY is also set when MSEN is set (enable TWI).
TXRDY behavior in Master mode can be seen in
TXRDY used in Slave mode:
0 = As soon as data is written in the THR, until this data has been transmitted and acknowledged (ACK or NACK).
1 = It indicates that the THR is empty and that data has been transmitted and acknowledged.
If TXRDY is high and if a NACK has been detected, the transmission will be stopped. Thus when TRDY = NACK = 1, the
programmer must not fill THR to avoid losing it.
TXRDY behavior in Slave mode can be seen in
243
0 = No character has been received since the last RHR read operation.
1 = A byte has been received in the RHR since the last read.
RXRDY behavior in Master mode can be seen in
RXRDY behavior in Slave mod e can be seen in
243
TXCOMP used in Master mode:
0 = During the length of the current frame.
1 = When both holding and shifter registers are empty and STOP condition has been sent.
TXCOMP behavior in Master mode can be seen in
TXCOMP used in Slave mode:
0 = As soon as a Start is detected.
1 = After a Stop or a Repeated Start + an address different from SADR is detected.
TXCOMP behavior in Slave mode can be seen in
243
and
and
and
Figure 19-30 on page
Figure 19-30 on page
Figure 19-30 on page
243.
243.
243.
243.
243.
Figure 19-26 on page
Figure 19-24 on page
Figure 19-24 on page
Figure 19-24 on page
Figure 19-25 on page
Figure 19-8 on page
Figure 19-10 on page
Figure 19-27 on page
Figure 19-8 on page 223
240.
239,
239,
Figure 19-25 on page
Figure 19-25 on page
223.
239,
239,
224.
241,
Figure 19-27 on page
Figure 19-28 on page
and in
Figure 19-28 on page
239,
Figure 19-10 on page
239,
Figure 19-29 on page 243
Figure 19-29 on page 243
241,
242,
242,
Figure 19-29 on page
Figure 19-29 on page
Figure 19-29 on page
224.
and
and
Figure
Figure
253