AT32UC3B1256-AUT Atmel, AT32UC3B1256-AUT Datasheet - Page 253
![IC MCU AVR32 256KB FLASH 48-TQFP](/photos/6/82/68248/313-48-vqfp_sml.jpg)
AT32UC3B1256-AUT
Manufacturer Part Number
AT32UC3B1256-AUT
Description
IC MCU AVR32 256KB FLASH 48-TQFP
Manufacturer
Atmel
Series
AVR®32 UC3r
Specifications of AT32UC3B1256-AUT
Core Processor
AVR
Core Size
32-Bit
Speed
60MHz
Connectivity
I²C, IrDA, SPI, SSC, UART/USART, USB
Peripherals
Brown-out Detect/Reset, DMA, POR, PWM, WDT
Number Of I /o
28
Program Memory Size
256KB (256K x 8)
Program Memory Type
FLASH
Ram Size
32K x 8
Voltage - Supply (vcc/vdd)
1.65 V ~ 1.95 V
Data Converters
A/D 6x10b
Oscillator Type
Internal
Operating Temperature
-40°C ~ 85°C
Package / Case
48-TQFP, 48-VQFP
Processor Series
AT32UC3x
Core
AVR32
Data Bus Width
32 bit
Data Ram Size
32 KB
Interface Type
2-Wire/SPI/USART
Maximum Clock Frequency
60 MHz
Number Of Programmable I/os
28
Number Of Timers
3
Operating Supply Voltage
3.3 V
Maximum Operating Temperature
+ 85 C
Mounting Style
SMD/SMT
3rd Party Development Tools
EWAVR32, EWAVR32-BL
Development Tools By Supplier
ATAVRDRAGON, ATSTK500, ATSTK600, ATAVRISP2, ATAVRONEKIT, ATEXTWIFI, ATEVK1101
Minimum Operating Temperature
- 40 C
On-chip Adc
6-ch x 10-bit
Controller Family/series
AVR UC3
No. Of I/o's
28
Ram Memory Size
32KB
Cpu Speed
60MHz
No. Of Timers
1
Rohs Compliant
Yes
For Use With
ATSTK600-TQFP48 - STK600 SOCKET/ADAPTER 48-TQFPATAVRONEKIT - KIT AVR/AVR32 DEBUGGER/PROGRMMR770-1008 - ISP 4PORT ATMEL AVR32 MCU SPIATEVK1101 - KIT DEV/EVAL FOR AVR32 AT32UC3B
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Eeprom Size
-
Lead Free Status / Rohs Status
Lead free / RoHS Compliant
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
AT32UC3B1256-AUT
Manufacturer:
ATMEL
Quantity:
1 000
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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)
32059K–03/2011
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
and
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 mode 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
Figure 19-30 on page
and
and
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
239,
223.
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 243
Figure 19-29 on page
AT32UC3B
Figure 19-29 on page
224.
and
and
Figure
Figure
253
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