AT91SAM9G45-CU-999 Atmel, AT91SAM9G45-CU-999 Datasheet - Page 819
![IC MCU ARM9 APMC 324TFBGA](/photos/12/13/121367/324-tfbga-pkg_sml.jpg)
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
Available stocks
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Part Number
Manufacturer
Quantity
Price
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37. USB High Speed Host Port (UHPHS)
37.1
37.2
37.2.1
6438F–ATARM–21-Jun-10
Description
Embedded Characteristics
EHCI
The USB High Speed Host Port (UHPHS) interfaces the USB with the host application. It han-
dles Open HCI protocol (Open Host Controller Interface) as well as Enhanced HCI protocol
(Enhanced Host Controller Interface).
The AT91SAM9G45 features USB communication ports as follows:
USB Host Port A is directly connected to the first UTMI transceiver.
The Host Port B is multiplexed with the USB device High speed and connected to the second
UTMI port. The selection between Host Port B and USB device high speed is controlled by a the
UDPHS enable bit located in the UDPHS_CTRL control register.
Figure 37-1. USB Selection
The USB Host Port controller is fully compliant with the Enhanced HCI specification. The USB
Host Port User Interface (registers description) can be found in the Enhanced HCI Rev 1.0
Specification available on http://www.intel.com/technology/usb/ehcispec.htm. The standard
EHCI USB stack driver can be easily ported to Atmel’s architecture in the same way all existing
class drivers run, without hardware specialization.
• 2 Ports USB Host full speed OHCI and High speed EHCI
• 1 Device High speed
• Compliant with Enhanced HCI Rev 1.0 Specification
• Compliant with Open HCI Rev 1.0 Specification
• Root Hub Integrated with 2 Downstream USB Ports
• Shared Embedded USB Transceivers
– Compliant with USB V2.0 High-speed and Full-speed Specification
– Supports Both High-speed 480Mbps and Full-speed 12 Mbps USB devices
– Compliant with USB V2.0 Full-speed and Low-speed Specification
– Supports Both Low-speed 1.5 Mbps and Full-speed 12 Mbps USB devices
Transceiver
PA
HS
HS EHCI
FS OHCI
DMA
PB
0
Transceiver
HS
USB
DMA
HS
1
EN_UDPHS
AT91SAM9G45
819
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