AT91SAM9G45-CU Atmel, AT91SAM9G45-CU Datasheet - Page 822
AT91SAM9G45-CU
Manufacturer Part Number
AT91SAM9G45-CU
Description
MCU ARM9 324-TFBGA
Manufacturer
Atmel
Series
AT91SAMr
Datasheets
1.AT91SAM9G45-EKES.pdf
(56 pages)
2.AT91SAM9G45-EKES.pdf
(1218 pages)
3.AT91SAM9G45-CU.pdf
(10 pages)
Specifications of AT91SAM9G45-CU
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
Processor Series
AT91SAMx
Core
ARM926EJ-S
Data Bus Width
32 bit
Data Ram Size
64 KB
Interface Type
I2C, SPI, UART
Maximum Clock Frequency
800 MHz
Number Of Programmable I/os
160
Number Of Timers
5
Maximum Operating Temperature
+ 85 C
Mounting Style
SMD/SMT
3rd Party Development Tools
JTRACE-ARM-2M, MDK-ARM, RL-ARM, ULINK2
Development Tools By Supplier
AT91SAM-ICE, AT91-ISP
Minimum Operating Temperature
- 40 C
On-chip Adc
10 bit
Controller Family/series
AT91
No. Of I/o's
160
Ram Memory Size
64KB
Cpu Speed
400MHz
No. Of Timers
2
Rohs Compliant
Yes
For Use With
AT91SAM9G45-EKES - KIT EVAL FOR AT91SAM9G45
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
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Part Number:
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Manufacturer:
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Quantity:
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Part Number:
AT91SAM9G45-CU
Manufacturer:
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822
AT91SAM9G45
Thus the USB Host peripheral receives three clocks from the Power Management Controller
(PMC): the Peripheral Clock (MCK domain), the UHP48M and the UHP12M (built-in UHP48M
divided by four) used by the OHCI to interface with the bus USB signals (Recovered 12 MHz
domain) in Full-speed operations.
For High-speed operations, the user has to perform the following:
For OHCI Full-speed operations only, the user has to perform the following:
• Enable UHP peripheral clock, bit (1 << AT91C_ID_UHPHS) in PMC_PCER register.
• Write CKGR_PLLCOUNT field in PMC_UCKR register.
• Enable UPLL, bit AT91C_CKGR_UPLLEN in PMC_UCKR register.
• Wait until UTMI_PLL is locked. LOCKU bit in PMC_SR register
• Enable BIAS, bit AT91C_CKGR_BIASEN in PMC_UCKR register.
• Select UPLLCK as Input clock of OHCI part, USBS bit in PMC_USB register.
• Program the OHCI clocks (UHP48M and UHP12M) with USBDIV field in PMC_USB register.
• Enable OHCI clocks, UHP bit in PMC_SCER register.
• Enable UHP peripheral clock, bit (1 << AT91C_ID_UHPHS) in PMC_PCER register.
• Select PLLACK as Input clock of OHCI part, USBS bit in PMC_USB register.
• Program the OHCI clocks (UHP48M and UHP12M) with USBDIV field in PMC_USB register.
• Enable the OHCI clocks, UHP bit in PMC_SCER register.
USBDIV must be 9 (division by 10) if UPLLCK is selected.
USBDIV value is to calculated regarding the PLLACK value and USB Full-speed accuracy.
6438F–ATARM–21-Jun-10
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