AT32UC3A0128-ALUT Atmel, AT32UC3A0128-ALUT Datasheet - Page 516
![IC MCU AVR32 128KB FLASH 144LQFP](/photos/6/72/67244/144l1-lqfp_sml.jpg)
AT32UC3A0128-ALUT
Manufacturer Part Number
AT32UC3A0128-ALUT
Description
IC MCU AVR32 128KB FLASH 144LQFP
Manufacturer
Atmel
Series
AVR®32 UC3r
Specifications of AT32UC3A0128-ALUT
Core Processor
AVR
Core Size
32-Bit
Speed
66MHz
Connectivity
EBI/EMI, Ethernet, I²C, SPI, SSC, UART/USART, USB OTG
Peripherals
Brown-out Detect/Reset, POR, PWM, WDT
Number Of I /o
109
Program Memory Size
128KB (128K 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 8x10b
Oscillator Type
Internal
Operating Temperature
-40°C ~ 85°C
Package / Case
144-LQFP
Processor Series
AT32UC3x
Core
AVR32
Data Bus Width
32 bit
Data Ram Size
32 KB
Interface Type
2-Wire, RS-485, SPI, USART
Maximum Clock Frequency
66 MHz
Number Of Programmable I/os
69
Number Of Timers
3
Maximum Operating Temperature
+ 85 C
Mounting Style
SMD/SMT
3rd Party Development Tools
EWAVR32, EWAVR32-BL, KSK-EVK1100-PL
Development Tools By Supplier
ATAVRDRAGON, ATSTK500, ATSTK600, ATAVRISP2, ATAVRONEKIT, ATEXTWIFI, ATEVK1100, ATEVK1105
Minimum Operating Temperature
- 40 C
Controller Family/series
AT32UC3A
No. Of I/o's
109
Ram Memory Size
32KB
Cpu Speed
66MHz
No. Of Timers
1
Rohs Compliant
Yes
For Use With
ATEVK1105 - KIT EVAL FOR AT32UC3A0ATAVRONEKIT - KIT AVR/AVR32 DEBUGGER/PROGRMMR770-1008 - ISP 4PORT ATMEL AVR32 MCU SPIATEVK1100 - KIT DEV/EVAL FOR AVR32 AT32UC3A
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:
AT32UC3A0128-ALUT
Manufacturer:
Atmel
Quantity:
166
- Current page: 516 of 826
- Download datasheet (20Mb)
30.7.2.12
30.7.2.12.1 Overview
Figure 30-17. Example of an IN Endpoint with 1 Data Bank
32058J–AVR32–04/11
TXINI
FIFOCON
Management of IN Endpoints
SW
The OUT retry is always ACKed. This reception sets RXOUTI and TXINI. Handle this with the
following software algorithm:
Once the OUT status stage has been received, the USB controller waits for a SETUP request.
The SETUP request has priority over any other request and has to be ACKed. This means that
any other flag should be cleared and the FIFO reset when a SETUP is received.
The firmware has to take care of the fact that the byte counter is reset when a zero-length OUT
packet is received.
IN packets are sent by the USB device controller upon IN requests from the host. All the data
can be written by the firmware which acknowledges or not the bank when it is full.
The endpoint must be configured first.
The TXINI bit is set by hardware at the same time as FIFOCON when the current bank is free.
This triggers an EPXINT interrupt if TXINE = 1.
TXINI shall be cleared by software (by setting the TXINIC bit) to acknowledge the interrupt, what
has no effect on the endpoint FIFO.
The firmware then writes into the FIFO and clears the FIFOCON bit to allow the USB controller
to send the data. If the IN endpoint is composed of multiple banks, this also switches to the next
bank. The TXINI and FIFOCON bits are updated by hardware in accordance with the status of
the next bank.
TXINI shall always be cleared before clearing FIFOCON.
The RWALL bit is set by hardware when the current bank is not full, i.e. the software can write
further data into the FIFO.
write data to CPU
NAK
set TXINI
wait for RXOUTI OR TXINI
if RXOUTI, then clear flag and return
if TXINI, then continue
BANK 0
SW
IN
(bank 0)
DATA
HW
ACK
SW
write data to CPU
BANK 0
AT32UC3A
SW
IN
516
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