AT91SAM9263B-CU Atmel, AT91SAM9263B-CU Datasheet - Page 350
AT91SAM9263B-CU
Manufacturer Part Number
AT91SAM9263B-CU
Description
IC ARM9 MCU 200 MHZ 324-TFBGA
Manufacturer
Atmel
Series
AT91SAMr
Specifications of AT91SAM9263B-CU
Core Processor
ARM9
Core Size
16/32-Bit
Speed
240MHz
Connectivity
CAN, Ethernet, I²C, MMC, SPI, SSC, UART/USART, USB
Peripherals
AC'97, LCD, POR, PWM, WDT
Number Of I /o
160
Program Memory Size
128KB (128K x 8)
Program Memory Type
ROM
Ram Size
128K x 8
Voltage - Supply (vcc/vdd)
1.08 V ~ 1.32 V
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
96 KB
Interface Type
2-Wire, EBI, I2S, MCI, SPI, USART
Maximum Clock Frequency
200 MHz
Number Of Programmable I/os
160
Number Of Timers
4
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, AT91SAM9263-EK
Minimum Operating Temperature
- 40 C
Package
324TFBGA
Device Core
ARM926EJ-S
Family Name
91S
Maximum Speed
200 MHz
Operating Supply Voltage
1.8|2.5|3.3 V
Controller Family/series
AT91SAM9xxx
No. Of I/o's
160
Ram Memory Size
96KB
Cpu Speed
240MHz
No. Of Timers
1
Rohs Compliant
Yes
For Use With
AT91SAM9263-EK - KIT EVAL FOR AT91SAM9263AT91SAM-ICE - EMULATOR FOR AT91 ARM7/ARM9
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Eeprom Size
-
Data Converters
-
Lead Free Status / Rohs Status
Lead free / RoHS Compliant
Other names
Q3735625
Available stocks
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Quantity
Price
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Part Number:
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28.5
28.6
350
Peripheral Clock Controller
Programmable Clock Output Controller
AT91SAM9263
Figure 28-2. USB Clock Controller
The Power Management Controller controls the clocks of each embedded peripheral by the way
of the Peripheral Clock Controller. The user can individually enable and disable the Master
Clock on the peripherals by writing into the Peripheral Clock Enable (PMC_PCER) and Periph-
eral Clock Disable (PMC_PCDR) registers. The status of the peripheral clock activity can be
read in the Peripheral Clock Status Register (PMC_PCSR).
When a peripheral clock is disabled, the clock is immediately stopped. The peripheral clocks are
automatically disabled after a reset.
In order to stop a peripheral, it is recommended that the system software wait until the peripheral
has executed its last programmed operation before disabling the clock. This is to avoid data cor-
ruption or erroneous behavior of the system.
The bit number within the Peripheral Clock Control registers (PMC_PCER, PMC_PCDR, and
PMC_PCSR) is the Peripheral Identifier defined at the product level. Generally, the bit number
corresponds to the interrupt source number assigned to the peripheral.
The PMC controls 4 signals to be output on external pins PCKx. Each signal can be indepen-
dently programmed via the PMC_PCKx registers.
PCKx can be independently selected between the Slow clock, the PLL A output, the PLL B out-
put and the main clock by writing the CSS field in PMC_PCKx. Each output signal can also be
divided by a power of 2 between 1 and 64 by writing the PRES (Prescaler) field in PMC_PCKx.
Each output signal can be enabled and disabled by writing 1 in the corresponding bit, PCKx of
PMC_SCER and PMC_SCDR, respectively. Status of the active programmable output clocks
are given in the PCKx bits of PMC_SCSR (System Clock Status Register).
Moreover, like the PCK, a status bit in PMC_SR indicates that the Programmable Clock is actu-
ally what has been programmed in the Programmable Clock registers.
As the Programmable Clock Controller does not manage with glitch prevention when switching
clocks, it is strongly recommended to disable the Programmable Clock before any configuration
change and to re-enable it after the change is actually performed.
Source
Clock
USB
USBDIV
Divider
/1,/2,/4
UDP
UHP
UDP Clock (UDPCK)
UHP Clock (UHPCK)
6249H–ATARM–27-Jul-09
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