AT91SAM9G45-CU-999 Atmel, AT91SAM9G45-CU-999 Datasheet - Page 830
AT91SAM9G45-CU-999
Manufacturer Part Number
AT91SAM9G45-CU-999
Description
IC MCU ARM9 APMC 324TFBGA
Manufacturer
Atmel
Series
AT91SAMr
Datasheet
1.AT91SAM9G45-EKES.pdf
(1218 pages)
Specifications of AT91SAM9G45-CU-999
Core Processor
ARM9
Core Size
16/32-Bit
Speed
400MHz
Connectivity
EBI/EMI, Ethernet, I²C, IrDA, MMC, SPI, SSC, UART/USART, USB
Peripherals
AC'97, DMA, I²S, LCD, POR, PWM, WDT
Number Of I /o
160
Program Memory Size
64KB (64K x 8)
Program Memory Type
ROM
Ram Size
128K x 8
Voltage - Supply (vcc/vdd)
0.9 V ~ 1.1 V
Data Converters
A/D 8x10b
Oscillator Type
Internal
Operating Temperature
-40°C ~ 85°C
Package / Case
324-TFBGA
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Eeprom Size
-
Lead Free Status / Rohs Status
Supplier Unconfirmed
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Part Number
Manufacturer
Quantity
Price
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Table 38-3.
Notes:
38.5.4
Figure 38-4. Control Read and Write Sequences
38.5.5
830
CONTROL
(bidirectional)
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.
AT91SAM9G45
USB V2.0 High Speed BUS Transactions
Endpoint Configuration
USB Transfer Events (Continued)
Control Write
Control Read
No Data
Control
Control Transfers
Bulk OUT Transfer
Interrupt OUT Transfer
Isochronous OUT Transfer
An endpoint handles all transactions related to the type of transfer for which it has been
configured.
Each transfer results in one or more transactions over the USB bus.
There are five kinds of transactions flowing across the bus in packets:
A status IN or OUT transaction is identical to a data IN or OUT transaction.
The endpoint 0 is always a control endpoint, it must be programmed and active in order to be
enabled when the End Of Reset interrupt occurs.
1. Setup Transaction
2. Data IN Transaction
3. Data OUT Transaction
4. Status IN Transaction
5. Status OUT Transaction
Setup Stage
Setup Stage
Setup Stage
Setup TX
Setup TX
Setup TX
(1)
(2)
Status Stage
Status IN TX
Data OUT TX
Data IN TX
• Setup transaction
• Setup transaction
• Setup transaction
• Data OUT transaction
• Data OUT transaction
• Data OUT transaction
Data Stage
Data Stage
Data OUT TX
Data IN TX
Data IN transactions
Data OUT transactions
Status IN transaction
Data OUT transaction
Data OUT transaction
Data OUT transaction
Status OUT TX
Status Stage
Status Stage
Status IN TX
Status OUT transaction
Status IN transaction
6438F–ATARM–21-Jun-10
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