AT91SAM9260B-CU-999 Atmel, AT91SAM9260B-CU-999 Datasheet - Page 216
![IC MCU ARM9 217LFBGA](/photos/12/13/121366/217-lfbga_sml.jpg)
AT91SAM9260B-CU-999
Manufacturer Part Number
AT91SAM9260B-CU-999
Description
IC MCU ARM9 217LFBGA
Manufacturer
Atmel
Series
AT91SAMr
Datasheet
1.AT91SAM9260B-CU-999.pdf
(798 pages)
Specifications of AT91SAM9260B-CU-999
Core Processor
ARM9
Core Size
16/32-Bit
Speed
180MHz
Connectivity
EBI/EMI, Ethernet, I²C, MMC, SPI, SSC, UART/USART, USB
Peripherals
POR, WDT
Number Of I /o
96
Program Memory Size
32KB (32K x 8)
Program Memory Type
ROM
Ram Size
24K x 8
Voltage - Supply (vcc/vdd)
1.65 V ~ 1.95 V
Data Converters
A/D 4x10b
Oscillator Type
Internal
Operating Temperature
-40°C ~ 85°C
Package / Case
217-LFBGA
Processor Series
AT91SAMx
Core
ARM926EJ-S
Data Bus Width
32 bit
Data Ram Size
8 KB
Interface Type
2-Wire, EBI, I2S, SPI, USART
Maximum Clock Frequency
180 MHz
Number Of Programmable I/os
96
Number Of Timers
6
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, AT91SAM9260-EK
Minimum Operating Temperature
- 40 C
On-chip Adc
10 bit, 4 Channel
For Use With
AT91SAM9260-EK - KIT EVAL FOR AT91SAM9260AT91SAM-ICE - EMULATOR FOR AT91 ARM7/ARM9
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Eeprom Size
-
Lead Free Status / Rohs Status
Details
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
- Current page: 216 of 798
- Download datasheet (12Mb)
21.6.1
Register Name:
Access Type:
Reset Value:
• MODE: SDRAMC Command Mode
This field defines the command issued by the SDRAM Controller when the SDRAM device is accessed.
6221I–ATARM–17-Jul-09
0
0
0
0
1
1
1
MODE
31
23
15
–
–
–
7
–
0
0
1
1
0
0
1
SDRAMC Mode Register
0
1
0
1
0
1
0
Description
Normal mode. Any access to the SDRAM is decoded normally. To activate this mode, command must be
followed by a write to the SDRAM.
The SDRAM Controller issues a NOP command when the SDRAM device is accessed regardless of the
cycle. To activate this mode, command must be followed by a write to the SDRAM.
The SDRAM Controller issues an “All Banks Precharge” command when the SDRAM device is accessed
regardless of the cycle. To activate this mode, command must be followed by a write to the SDRAM.
The SDRAM Controller issues a “Load Mode Register” command when the SDRAM device is accessed
regardless of the cycle. To activate this mode, command must be followed by a write to the SDRAM.
The SDRAM Controller issues an “Auto-Refresh” Command when the SDRAM device is accessed
regardless of the cycle. Previously, an “All Banks Precharge” command must be issued. To activate this
mode, command must be followed by a write to the SDRAM.
The SDRAM Controller issues an “Extended Load Mode Register” command when the SDRAM device is
accessed regardless of the cycle. To activate this mode, the “Extended Load Mode Register” command
must be followed by a write to the SDRAM. The write in the SDRAM must be done in the appropriate bank;
most low-power SDRAM devices use the bank 1.
Deep power-down mode. Enters deep power-down mode.
30
22
14
SDRAMC_MR
Read-write
0x00000000
–
–
–
6
–
29
21
13
–
–
–
5
–
28
20
12
–
–
–
4
–
27
19
11
–
–
–
3
–
26
18
10
–
–
–
2
AT91SAM9260
MODE
25
17
–
–
9
–
1
24
16
–
–
8
–
0
216
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