SAM9M10 Atmel Corporation, SAM9M10 Datasheet - Page 129
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SAM9M10
Manufacturer Part Number
SAM9M10
Description
Manufacturer
Atmel Corporation
Datasheets
1.M40800.pdf
(284 pages)
2.SAM9261.pdf
(248 pages)
3.SAM9M10.pdf
(59 pages)
4.SAM9M10.pdf
(1398 pages)
Specifications of SAM9M10
Flash (kbytes)
0 Kbytes
Pin Count
324
Max. Operating Frequency
400 MHz
Cpu
ARM926
Hardware Qtouch Acquisition
No
Max I/o Pins
160
Ext Interrupts
160
Usb Transceiver
3
Usb Speed
Hi-Speed
Usb Interface
Host, Device
Spi
2
Twi (i2c)
2
Uart
5
Lin
4
Ssc
2
Ethernet
1
Sd / Emmc
2
Graphic Lcd
Yes
Video Decoder
Yes
Camera Interface
Yes
Adc Channels
8
Adc Resolution (bits)
10
Adc Speed (ksps)
440
Resistive Touch Screen
Yes
Temp. Sensor
No
Crypto Engine
No
Sram (kbytes)
64
Self Program Memory
NO
External Bus Interface
2
Dram Memory
DDR2/LPDDR, SDRAM/LPSDR
Nand Interface
Yes
Picopower
No
Temp. Range (deg C)
-40 to 85
I/o Supply Class
1.8/3.3
Operating Voltage (vcc)
0.9 to 1.1
Fpu
No
Mpu / Mmu
No / Yes
Timers
6
Output Compare Channels
6
Input Capture Channels
6
Pwm Channels
4
32khz Rtc
Yes
Calibrated Rc Oscillator
No
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ARM926EJ-S
5.5.3
ARM DDI0198D
DRADDR[17:0]
DRWD[31:0]
DRWBL[3:0]
DRSIZE[3:0]
DRRD[31:0]
DRWAIT
DRnRW
Multiple banks of RAM example
DRCS
CLK
b0110 DIN[7:0]
The rules for connecting four RAM blocks are:
•
•
In little-endian mode, DRWBL[0] indicates the LSB of the word and DRWBL[3]
indicates the MSB. In big-endian mode, DRWBL[3] indicates the LSB of the word and
DRWBL[0] indicates the MSB.
If you have to create a large memory out of smaller RAM blocks, there are two methods
for doing this:
•
CLK
CS
DRWR[7:0]
32K RAM
Byte 0
A[14:0]
Copyright © 2001-2003 ARM Limited. All rights reserved.
Each byte-wide RAM has the same address and chip-select control as the
word-wide RAM.
The following connections must be made:
—
—
—
—
If minimizing power consumption is more important than a fast design, you must
follow the example in Optimizing for power on page 5-22.
DOUT[7:0]
Note
DRADDR[14:0]
WE
DRWBL[0], DRWD[7:0], and DRRD[7:0], connect to RAM byte 0
DRWBL[1], DRWD[15:8], and DRRD[15:8], connect to RAM byte 1
DRWBL[2], DRWD[23:16], and DRRD[23:16], connect to RAM byte 2
DRWBL[3], DRWD[31:24], and DRRD[31:24], connect to RAM byte 3.
DRRD[7:0]
DRWBL[0]
DIN[7:0]
CLK
CS
DRWR[15:8]
32K RAM
Byte 1
A[14:0]
DOUT[7:0]
WE
DRRD[15:8]
DRWBL[1]
DIN[7:0]
CLK
CS
Figure 5-13 Byte-banks of RAM example
DRWR[23:16]
32K RAM
Byte 2
A[14:0]
DOUT[7:0]
WE
DRRD[23:16]
DRWBL[2]
Tightly-Coupled Memory Interface
DIN[7:0]
CLK
CS
DRWR[31:24]
32K RAM
Byte 3
A[14:0]
DOUT[7:0]
WE
DRRD[31:24]
DRWBL[3]
5-21
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