AT32UC3B0256-A2UR Atmel, AT32UC3B0256-A2UR Datasheet - Page 380
![MCU AVR32 256K FLASH 64-TQFP](/photos/6/81/68127/313-64-vqfp_sml.jpg)
AT32UC3B0256-A2UR
Manufacturer Part Number
AT32UC3B0256-A2UR
Description
MCU AVR32 256K FLASH 64-TQFP
Manufacturer
Atmel
Series
AVR®32 UC3r
Datasheet
1.AT32UC3B1512-Z1UT.pdf
(692 pages)
Specifications of AT32UC3B0256-A2UR
Package / Case
64-TQFP, 64-VQFP
Voltage - Supply (vcc/vdd)
1.65 V ~ 1.95 V
Operating Temperature
-40°C ~ 85°C
Speed
60MHz
Number Of I /o
44
Core Processor
AVR
Program Memory Type
FLASH
Ram Size
32K x 8
Program Memory Size
256KB (256K x 8)
Data Converters
A/D 8x10b
Oscillator Type
Internal
Peripherals
Brown-out Detect/Reset, DMA, POR, PWM, WDT
Connectivity
I²C, IrDA, SPI, SSC, UART/USART, USB
Core Size
32-Bit
Package
64TQFP
Device Core
AVR32
Family Name
AT32
Maximum Speed
60 MHz
Operating Supply Voltage
1.8|3.3 V
Data Bus Width
32 Bit
Number Of Programmable I/os
44
Interface Type
I2S/SPI/TWI/USART/USB
On-chip Adc
8-chx10-bit
Number Of Timers
3
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Eeprom Size
-
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22.7.2.6
32059K–03/2011
Address setup
Figure 22-14. Endpoint Activation Algorithm
As long as the endpoint is not correctly configured (CFGOK is zero), the controller does not
acknowledge the packets sent by the host to this endpoint.
The CFGOK bit is set only if the configured size and number of banks are correct compared to
their maximal allowed values for the endpoint (see
FIFO size (i.e. the DPRAM size).
See
The USB device address is set up according to the USB protocol.
Once the USB device address is configured, the controller filters the packets to only accept
those targeting the address stored in UADD.
UADD and ADDEN shall not be written all at once.
UADD and ADDEN are cleared:
When UADD or ADDEN is cleared, the default device address 0 is used.
• After all kinds of resets, the USB device address is 0.
• The host starts a SETUP transaction with a SET_ADDRESS(addr) request.
• The user write this address to the USB Address (UADD) field in UDCON, and write a zero to
• The user sends a zero-length IN packet from the control endpoint.
• The user enables the recorded USB device address by writing a one to ADDEN.
• On a hardware reset.
• When the USBB is disabled (USBE written to zero).
• When a USB reset is detected.
the Address Enable (ADDEN) bit in UDCON, so the actual address is still 0.
Section 22.7.1.6
Yes
EPENn = 1
CFGOK ==
Activation
UECFGn
Activated
Endpoint
Endpoint
EPTYPE
EPSIZE
ALLOC
EPDIR
EPBK
1?
for more details about DPRAM management.
No
ERROR
Enable the endpoint.
Test if the endpoint configuration is correct.
Configure the endpoint:
Allocate the configured DPRAM banks.
Table 22-1 on page
- type
- direction
- size
- number of banks
362) and to the maximal
AT32UC3B
380
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