SAM9G46 Atmel Corporation, SAM9G46 Datasheet - Page 107
SAM9G46
Manufacturer Part Number
SAM9G46
Description
Manufacturer
Atmel Corporation
Datasheets
1.SAM9261.pdf
(248 pages)
2.SAM9261.pdf
(1274 pages)
3.SAM9261.pdf
(43 pages)
4.SAM9G46.pdf
(58 pages)
Specifications of SAM9G46
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
No
Camera Interface
Yes
Adc Channels
8
Adc Resolution (bits)
10
Adc Speed (ksps)
440
Resistive Touch Screen
Yes
Temp. Sensor
No
Crypto Engine
AES/DES
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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ARM DDI0198D
31
Way
32-A
31-A
•
•
•
The Set/Way/Word format for ARM926EJ-S caches is shown in Figure 4-3.
In Figure 4-3:
A = log
For example, for a four-way cache A = 2.
S = log
Copyright © 2001-2003 ARM Limited. All rights reserved.
the ARM926EJ-S caches are four-way Associative
the range of tags addressed by the Index define a Way
the number of tags in a Way is the number of Sets, NSETS.
2
2
NSETS.
Associativity.
SBZ
Figure 4-3 ARM926EJ-S cache Set/Way/Word format
S+5 S+4
Set select
(= Index)
Caches and Write Buffer
5 4
Word
2 1 0
SBZ
4-11
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