AT91SAM9263B-CU Atmel, AT91SAM9263B-CU Datasheet - Page 236
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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Manufacturer
Quantity
Price
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Quantity:
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Part Number:
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Part Number:
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6249H–ATARM–27-Jul-09
After initialization, the SDRAM devices are fully functional.
Note:
6. An All Banks Precharge command is issued to the SDRAM devices. The application
7. Eight auto-refresh (CBR) cycles are provided. The application must set the Mode to 4 in
8. A Mode Register set (MRS) cycle is issued to program the parameters of the SDRAM
9. For mobile SDRAM initialization, an Extended Mode Register set (EMRS) cycle is
10. The application must go into Normal Mode, setting Mode to 0 in the Mode Register and
11. Write the refresh rate into the count field in the SDRAMC Refresh Timer register.
must set Mode to 2 in the Mode Register and perform a write access to any SDRAM
address.
the Mode Register and perform a write access to any SDRAM location eight times.
devices, in particular CAS latency and burst length. The application must set Mode to 3
in the Mode Register and perform a write access to the SDRAM. The write address
must be chosen so that BA[1:0] are set to 0. For example, with a 16-bit 128 MB SDRAM
(12 rows, 9 columns, 4 banks) bank address, the SDRAM write access should be done
at the address 0x20000000.
issued to program the SDRAM parameters (TCSR, PASR, DS). The application must
set Mode to 5 in the Mode Register and perform a write access to the SDRAM. The
write address must be chosen so that BA[1] or BA[0] are set to 1. For example, with a
16-bit 128 MB SDRAM, (12 rows, 9 columns, 4 banks) bank address the SDRAM write
access should be done at the address 0x20800000 or 0x20400000.
performing a write access at any location in the SDRAM.
(Refresh rate = delay between refresh cycles). The SDRAM device requires a refresh
every 15.625 µs or 7.81 µs. With a 100 MHz frequency, the Refresh Timer Counter
Register must be set with the value 1562(15.652 µs x 100 MHz) or 781(7.81 µs x 100
MHz).
1. It is strongly recommended to respect the instructions stated in
cess in order to be certain that the subsequent commands issued by the SDRAMC will be
taken into account.
AT91SAM9263
Step 5
of the initialization pro-
236
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