SAM9XE256 Atmel Corporation, SAM9XE256 Datasheet - Page 191
SAM9XE256
Manufacturer Part Number
SAM9XE256
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 SAM9XE256
Flash (kbytes)
256 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)
32
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
- Current page: 191 of 248
- Download datasheet (2Mb)
A.2
ARM DDI0198D
AHB related signals
Table A-1 describes the ARM926EJ-S processor AHB related signals.
Signal name
DHADDR[31:0]
DHBL[3:0]
DHBURST[2:0]
DHBUSREQ
DHCLKEN
DHGRANT
DHLOCK
DHPROT[3:0]
DHRDATA[31:0]
DHREADY
DHRESP[1:0]
DHSIZE[2:0]
DHTRANS[1:0]
DHWDATA[31:0]
DHWRITE
HRESETn
IHADDR[31:0]
IHBURST[2:0]
IHBUSREQ
IHCLKEN
Copyright © 2001-2003 ARM Limited. All rights reserved.
Direction
Output
Output
Output
Output
Input
Input
Output
Output
Input
Input
Input
Output
Output
Output
Output
Input
Output
Output
Output
Input
Description
AHB address (data).
Byte lane indicator for current transfer.
AHB burst size (data).
AHB bus request (data).
Signifies the rising edge of HCLK for the data AHB. If
CLK and HCLK are the same frequency, DHCLKEN
must be tied HIGH.
AHB bus grant signal (data).
AHB bus lock signal (data).
AHB bus access information (data).
AHB read data (data).
AHB transfer complete signal (data).
AHB transfer response (data).
AHB transfer size (data), indicating byte, halfword, or
word. DHSIZE[2] is tied LOW.
AHB transfer type (data).
AHB write data (data).
AHB transfer direction (data).
AHB reset signal.
AHB address (instruction).
AHB burst size. (instruction).
AHB bus request (instruction).
Signifies the rising edge of HCLK for the data AHB. If
CLK and HCLK are the same frequency, IHCLKEN
must be tied HIGH.
Table A-1 AHB related signals
Signal Descriptions
A-3
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