AT91SAM9XE256-CU Atmel, AT91SAM9XE256-CU Datasheet - Page 182
AT91SAM9XE256-CU
Manufacturer Part Number
AT91SAM9XE256-CU
Description
MCU ARM9 256K FLASH 217-BGA
Manufacturer
Atmel
Series
AT91SAMr
Specifications of AT91SAM9XE256-CU
Core Processor
ARM9
Core Size
16/32-Bit
Speed
180MHz
Connectivity
EBI/EMI, Ethernet, I²C, MMC, SPI, SSC, UART/USART, USB
Peripherals
Brown-out Detect/Reset, POR, PWM, WDT
Number Of I /o
96
Program Memory Size
256KB (256K x 8)
Program Memory Type
FLASH
Ram Size
56K 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
32 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, KSK-AT91SAM9XE-PL, MDK-ARM, RL-ARM, ULINK2
Development Tools By Supplier
AT91SAM-ICE, AT91-ISP, AT91SAM9XE-EK
Minimum Operating Temperature
- 40 C
On-chip Adc
10 bit, 4 Channel
Package
217LFBGA
Device Core
ARM926EJ-S
Family Name
91S
Maximum Speed
180 MHz
Operating Supply Voltage
1.8|2.5|3.3 V
For Use With
AT91SAM9XE-EK - KIT EVAL FOR AT91SAM9XEAT91SAM-ICE - EMULATOR FOR AT91 ARM7/ARM9
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
Company:
Part Number:
AT91SAM9XE256-CU
Manufacturer:
ATMEL
Quantity:
215
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22.6.7
22.6.7.1
182
AT91SAM9XE128/256/512 Preliminary
NAND Flash Support
External Bus Interface
Figure 22-5. CompactFlash Application Example
External Bus Interface integrate circuitry that interfaces to NAND Flash devices.
The
Programming the EBI_CS3A field in the EBI_CSA Register in the Chip Configuration User Inter-
face to the appropriate value enables the
the Bus Matrix Section. Access to an external
address space reserved to NCS3 (i.e., between 0x4000 0000 and 0x4FFF FFFF).
The NAND Flash Logic drives the read and write command signals of the SMC on the NANDOE
and NANDWE signals when the NCS3 signal is active. NANDOE and NANDWE are invalidated
as soon as the transfer address fails to lie in the NCS3 address space. See Figure
Signal Multiplexing on EBI Pins” on page 183
forms, refer to the Static Memory Controller section.
NAND Flash
NWR3/CFIOW
NWR1/CFIOR
NCS4/CFCS0
A25/CFRNW
NWE/CFWE
EBI
NOE/CFOE
A22/REG
CD (PIO)
D[15:0]
NWAIT
logic is driven by the Static Memory Controller on the NCS3 address space.
CFCE1
CFCE2
A[10:0]
NAND Flash
NAND Flash
for more information. For details on these wave-
DIR
/OE
/OE
logic. For details on this register, refer to
device is then made by accessing the
CompactFlash Connector
D[15:0]
_CD1
_CD2
A[10:0]
_REG
_OE
_WE
_IORD
_IOWR
_CE1
_CE2
_WAIT
6254C–ATARM–22-Jan-10
“NAND Flash
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