SAM9M10 Atmel Corporation, SAM9M10 Datasheet - Page 1073
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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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44. True Random Number Generator (TRNG)
44.1
6355D–ATARM–7-Sep-11
Description
The True Random Number Generator (TRNG) passes the American NIST Special Publication
800-22 and Diehard Random Tests Suites.
As soon as the TRNG is enabled (TRNG_CTRL register), the generator provides one 32-bit
value every 84 clock cycles. Interrupt trng_int can be enabled through the TRNG_IER register
(respectively disabled in TRNG_IDR). This interrupt is set when a new random value is available
and is cleared when the status register is read (TRNG_SR register). The flag DATRDY of the
status register (TRNG_ISR) is set when the random data is ready to be read out on the 32-bit
output data register (TRNG_ODATA).
The normal mode of operation checks that the status register flag equals 1 before reading the
output data register when a 32-bit random value is required by the software application.
Figure 44-1. TRNG Data Generation Sequence
trng_cr
enable
trng_int
clock
84 clock cycles
Read TRNG_ODATA
Read TRNG_ISR
84 clock cycles
84 clock cycles
Read TRNG_ODATA
Read TRNG_ISR
SAM9M10
1073
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