AT32UC3B0256-A2UR Atmel, AT32UC3B0256-A2UR Datasheet - Page 437
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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• CURRBK: Current Bank
• NBUSYBK: Number of Busy Banks
• DTSEQ: Data Toggle Sequence
• SHORTPACKET: Short Packet Interrupt
32059K–03/2011
This bit is set for non-control endpoints, to indicate the current bank:
This field may be updated one clock cycle after the RWALL bit changes, so the user should not poll this field as an interrupt bit.
This field is set to indicate the number of busy banks:
For IN endpoints, it indicates the number of banks filled by the user and ready for IN transfer. When all banks are free, this
triggers an EPnINT interrupt if NBUSYBKE is one.
For OUT endpoints, it indicates the number of banks filled by OUT transactions from the host. When all banks are busy, this
triggers an EPnINT interrupt if NBUSYBKE is one.
When the FIFOCON bit is cleared (by writing a one to the FIFOCONC bit) to validate a new bank, this field is updated two or
three clock cycles later to calculate the address of the next bank.
An EPnINT interrupt is triggered if:
- for IN endpoint, NBUSYBKE is one and all the banks are free.
- for OUT endpoint, NBUSYBKE is one and all the banks are busy.
This field is set to indicate the PID of the current bank:
For IN transfers, it indicates the data toggle sequence that will be used for the next packet to be sent. This is not relative to the
current bank.
For OUT transfers, this value indicates the last data toggle sequence received on the current bank.
By default DTSEQ is 0b01, as if the last data toggle sequence was Data1, so the next sent or expected data toggle sequence
should be Data0.
This bit is set for non-control OUT endpoints, when a short packet has been received.
0
0
1
1
0
0
1
1
0
0
1
NBUSYBK
CURRBK
DTSEQ
X
0
1
0
1
0
1
0
1
0
1
Current Bank
Bank0
Bank1
Bank2 if supported
Reserved
Number of Busy Banks
0 (all banks free)
1
2
3 if supported
Data Toggle Sequence
Data0
Data1
Reserved
(see
(see
Table 22-1 on page
Table 22-1 on page
362).
362).
AT32UC3B
437
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