AT32UC3B064 Atmel Corporation, AT32UC3B064 Datasheet - Page 253
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AT32UC3B064
Manufacturer Part Number
AT32UC3B064
Description
Manufacturer
Atmel Corporation
Datasheets
1.AT32UC3A0128.pdf
(377 pages)
2.AT32UC3A0128.pdf
(33 pages)
3.AT32UC3A0128.pdf
(159 pages)
4.AT32UC3B0128.pdf
(684 pages)
5.AT32UC3B0128.pdf
(107 pages)
Specifications of AT32UC3B064
Flash (kbytes)
64 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
Temp. Sensor
No
Crypto Engine
No
Sram (kbytes)
16
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
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- AT32UC3A0128 PDF datasheet
- AT32UC3A0128 PDF datasheet #2
- AT32UC3A0128 PDF datasheet #3
- AT32UC3B0128 PDF datasheet #4
- AT32UC3B0128 PDF datasheet #5
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• 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
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