SAM9XE512 Atmel Corporation, SAM9XE512 Datasheet - Page 79
SAM9XE512
Manufacturer Part Number
SAM9XE512
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 SAM9XE512
Flash (kbytes)
512 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: 79 of 248
- Download datasheet (2Mb)
ARM DDI0198D
A second-level descriptor defines a tiny, a small, or a large page descriptor, or is invalid:
•
•
•
Coarse page tables provide base addresses for either small or large pages. Large page
descriptors must be repeated in 16 consecutive entries. Small page descriptors must be
repeated in each consecutive entry.
Fine page tables provide base addresses for large, small, or tiny pages. Large page
descriptors must be repeated in 64 consecutive entries. Small page descriptors must be
repeated in four consecutive entries and tiny page descriptors must be repeated in each
consecutive entry.
Second-level descriptor bit assignments are described in Table 3-7.
Bits
Large
[31:16]
[15:12]
31
Copyright © 2001-2003 ARM Limited. All rights reserved.
Large page base address
Small page base address
Tiny page base address
a large page descriptor provides the base address of a 64KB block of memory
a small page descriptor provides the base address of a 4KB block of memory
a tiny page descriptor provides the base address of a 1KB block of memory.
Small
[31:12]
-
Tiny
[31:10]
[9:6]
Should Be Zero.
Description
These bits form the corresponding bits of the physical
address.
16 15
12 11 10 9 8 7 6 5 4 3 2 1 0
Table 3-7 Second-level descriptor bits
AP3 AP2 AP1 AP0 C B 0 1
AP3 AP2 AP1 AP0 C B 1 0
Figure 3-9 Second-level descriptor
AP
Memory Management Unit
C B 1 1
0 0
Fault
Large page
Small page
Tiny page
3-15
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