SAM9M10 Atmel Corporation, SAM9M10 Datasheet - Page 74
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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Memory Management Unit
3.2.4
3-10
Section descriptor
31
Bits
Section
[3:2]
-
[1:0]
The two least significant bits of the first-level descriptor indicate the descriptor type as
shown in Table 3-3.
A section descriptor provides the base address of a 1MB block of memory. Figure 3-5
shows the format of a section descriptor.
Section base address
Value
0 0
0 1
1 0
1 1
Copyright © 2001-2003 ARM Limited. All rights reserved.
Coarse
-
[3:2]
[1:0]
Meaning
Invalid
Coarse page table
Section
Fine page table
Fine
-
[3:2]
[1:0]
20 19
Table 3-3 Interpreting first-level descriptor bits [1:0]
Description
Bits C and B indicate whether the area of memory mapped
by this page is treated as write-back cachable, write-through
cachable, noncached buffered, or noncached nonbuffered.
Should Be Zero.
These bits indicate the page size and validity and are
interpreted as shown in Table 3-3.
Generates a section translation fault
Description
Indicates that this is a coarse page table descriptor
Indicates that this is a section descriptor
Indicates that this is a fine page table descriptor
Table 3-2 First-level descriptor bits (continued)
SBZ
12 11 10 9 8
AP
Figure 3-5 Section descriptor
S
B
Z
Domain
5 4 3 2 1 0
1 C B 1
ARM DDI0198D
0
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