ATSAM3U2EA-CU Atmel, ATSAM3U2EA-CU Datasheet - Page 947
ATSAM3U2EA-CU
Manufacturer Part Number
ATSAM3U2EA-CU
Description
IC MCU 32BIT 128KB FLSH 144LFBGA
Manufacturer
Atmel
Series
SAM3Ur
Specifications of ATSAM3U2EA-CU
Core Processor
ARM® Cortex-M3™
Core Size
32-Bit
Speed
96MHz
Connectivity
EBI/EMI, I²C, MMC, SPI, SSC, UART/USART, USB
Peripherals
Brown-out Detect/Reset, DMA, I²S, POR, PWM, WDT
Number Of I /o
96
Program Memory Size
128KB (128K x 8)
Program Memory Type
FLASH
Ram Size
36K x 8
Voltage - Supply (vcc/vdd)
1.65 V ~ 1.95 V
Data Converters
A/D 8x10b, 8x12b
Oscillator Type
Internal
Operating Temperature
-40°C ~ 85°C
Package / Case
144-LFBGA
Processor Series
ATSAM3x
Core
ARM Cortex M3
Data Bus Width
32 bit
Data Ram Size
36 KB
Interface Type
4xUSART, 2xTWI, 5xSPI, Bus
Maximum Clock Frequency
96 MHz
Number Of Programmable I/os
96
Number Of Timers
8
Operating Supply Voltage
1.62 V to 3.6 V
Maximum Operating Temperature
+ 85 C
Mounting Style
SMD/SMT
3rd Party Development Tools
JTRACE-CM3, MDK-ARM, RL-ARM, ULINK2
Development Tools By Supplier
ATSAM3U-EK
Minimum Operating Temperature
- 40 C
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Eeprom Size
-
Lead Free Status / Rohs Status
Details
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
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39.6.2
Table 39-3.
39.6.3
Table 39-4.
Notes:
6430D–ATARM–25-Mar-11
6430D–ATARM–25-Mar-11
Transfer
Control
Isochronous
Interrupt
Bulk
CONTROL
(bidirectional)
IN
(device toward host)
OUT
(host toward device)
1. Control transfer must use endpoints with one bank and can be aborted using a stall handshake.
2. Isochronous transfers must use endpoints configured with two or three banks.
USB V2.0 High Speed Transfer Types
USB Transfer Event Definitions
USB Communication Flow
USB Transfer Events
Control Transfers
Bulk IN Transfer
Interrupt IN Transfer
Isochronous IN Transfer
Bulk OUT Transfer
Interrupt OUT Transfer
Isochronous OUT Transfer
A communication flow is carried over one of four transfer types defined by the USB device.
A device provides several logical communication pipes with the host. To each logical pipe is
associated an endpoint. Transfer through a pipe belongs to one of the four transfer types:
As indicated below, transfers are sequential events carried out on the USB bus.
Endpoints must be configured according to the transfer type they handle.
A transfer is composed of one or several transactions;
An endpoint handles all transactions related to the type of transfer for which it has been
configured.
Unidirectional
Unidirectional
Unidirectional
Bidirectional
• Control Transfers: Used to configure a device at attach time and can be used for other device-
• Bulk Data Transfers: Generated or consumed in relatively large burst quantities and have
• Interrupt Data Transfers: Used for timely but reliable delivery of data, for example, characters
• Isochronous Data Transfers: Occupy a prenegotiated amount of USB bandwidth with a
Direction
specific purposes, including control of other pipes on the device.
wide dynamic latitude in transmission constraints.
or coordinates with human-perceptible echo or feedback response characteristics.
prenegotiated delivery latency. (Also called streaming real time transfers.)
(1)
(2)
(2)
Not guaranteed
Not guaranteed
Not guaranteed
Guaranteed
Bandwidth
• Setup transaction → Data IN transactions → Status OUT transaction
• Setup transaction → Data OUT transactions → Status IN transaction
• Setup transaction → Status IN transaction
• Data IN transaction → Data IN transaction
• Data IN transaction → Data IN transaction
• Data IN transaction → Data IN transaction
• Data OUT transaction → Data OUT transaction
• Data OUT transaction → Data OUT transaction
• Data OUT transaction → Data OUT transaction
Endpoint Size
8, 16, 32, 64
8-1024
8-1024
8-512
Error Detection
SAM3U Series
SAM3U Series
Yes
Yes
Yes
Yes
Automatic
Retrying
Yes
Yes
No
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