SAM9G45 Atmel Corporation, SAM9G45 Datasheet - Page 106

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SAM9G45

Manufacturer Part Number
SAM9G45
Description
Manufacturer
Atmel Corporation
Datasheets

Specifications of SAM9G45

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
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
Caches and Write Buffer
4-10
31
Table 4-7 shows values of S and NSETS for an ARM926EJ-S cache.
Figure 4-2 shows the ARM926EJ-S cache associativity. In Figure 4-2, the following
points apply:
Copyright © 2001-2003 ARM Limited. All rights reserved.
the group of tags of the same Index define a Set
the number of tags in a Set is the Associativity
Tag
Figure 4-2 ARM926EJ-S cache associativity
1
3
4
5
0
2
6
7
n
Table 4-7 Values of S and NSETS
ARM926EJ-S
cache size
4KB
8KB
16KB
32KB
64KB
128KB
TAG
S+5 S+4
Index
0
1
2
5 4
3
Word
ARM DDI0198D
S
5
6
7
8
9
10
2 1 0
NSETS
32
64
128
256
512
1024
Byte

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