SAM9M10 Atmel Corporation, SAM9M10 Datasheet - Page 40
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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Programmer’s Model
2.3.2
2-12
Control Register c1
31
TCM Status Register c0
This is a read-only register that enables operating systems to establish if TCM memories
are present. See also TCM Region Register c9 on page 2-29.
You can access the TCM Status Register by reading CP15 register c0 with the Opcode_2
field set to 2. For example:
The format of the TCM Status Register is shown in Figure 2-4.
Register c1 is the Control Register for the ARM926EJ-S processor. This register
specifies the configuration used to enable and disable the caches and MMU. It is
recommended that you access this register using a read-modify-write sequence.
For both reading and writing, the CRm and Opcode_2 fields Should Be Zero. To read
and write this register, use the instructions:
Function
Isize
Copyright © 2001-2003 ARM Limited. All rights reserved.
SBZ/UNP
Reserved
Size
Assoc
M
Len
Table 2-10 Example Cache Type Register format (continued)
Register bits
[11:10]
[9:6]
[5:3]
[2]
[1:0]
17 16 15
present
DTCM
Figure 2-4 TCM Status Register format
Value
b00
b0101 = 16KB
b010 = 4-way
b0
b10 = 8 words per line (32 bytes)
SBZ/UNP
ARM DDI0198D
1 0
present
ITCM
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