SAM9XE128 Atmel Corporation, SAM9XE128 Datasheet - Page 182
SAM9XE128
Manufacturer Part Number
SAM9XE128
Description
Manufacturer
Atmel Corporation
Datasheets
1.SAM9260.pdf
(290 pages)
2.SAM9261.pdf
(248 pages)
3.SAM9XE128.pdf
(860 pages)
4.SAM9XE128.pdf
(48 pages)
Specifications of SAM9XE128
Flash (kbytes)
128 Kbytes
Pin Count
217
Max. Operating Frequency
180 MHz
Cpu
ARM926
Hardware Qtouch Acquisition
No
Max I/o Pins
96
Ext Interrupts
96
Usb Transceiver
3
Usb Speed
Full Speed
Usb Interface
Host, Device
Spi
2
Twi (i2c)
2
Uart
6
Ssc
1
Ethernet
1
Sd / Emmc
1
Graphic Lcd
No
Video Decoder
No
Camera Interface
Yes
Adc Channels
4
Adc Resolution (bits)
10
Adc Speed (ksps)
312
Resistive Touch Screen
No
Temp. Sensor
No
Crypto Engine
No
Sram (kbytes)
16
Self Program Memory
NO
External Bus Interface
1
Dram Memory
sdram
Nand Interface
Yes
Picopower
No
Temp. Range (deg C)
-40 to 85
I/o Supply Class
1.8/3.3
Operating Voltage (vcc)
1.65 to 1.95
Fpu
No
Mpu / Mmu
No / Yes
Timers
6
Output Compare Channels
6
Input Capture Channels
6
32khz Rtc
Yes
Calibrated Rc Oscillator
No
- SAM9260 PDF datasheet
- SAM9261 PDF datasheet #2
- SAM9XE128 PDF datasheet #3
- SAM9XE128 PDF datasheet #4
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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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