SAM9M11 Atmel Corporation, SAM9M11 Datasheet - Page 58
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SAM9M11
Manufacturer Part Number
SAM9M11
Description
Manufacturer
Atmel Corporation
Specifications of SAM9M11
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
Dac Resolution (bits)
No
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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Programmer’s Model
2.6.4
2-12
Accessing high registers in Thumb state
Registers r0–r7 are known as the low registers. Registers r8–r15 are known as the high
registers.
In Thumb state, the high registers, r8–r15, are not part of the standard register set. The
assembly language programmer has limited access to them, but can use them for fast
temporary storage.
You can use special variants of the MOV instruction to transfer a value from a low
register, in the range r0–r7, to a high register, and from a high register to a low register.
The CMP instruction allows you to compare high register values with low register
values. The ADD instruction enables you to add high register values to low register
values. For more details, please refer to the ARM Architecture Reference Manual.
Note
Copyright © 1994-2001. All rights reserved.
ARM DDI 0029G
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