SAM9G20 Atmel Corporation, SAM9G20 Datasheet - Page 346
SAM9G20
Manufacturer Part Number
SAM9G20
Description
Manufacturer
Atmel Corporation
Datasheets
1.SAM9261.pdf
(248 pages)
2.SAM9261.pdf
(1274 pages)
3.SAM9261.pdf
(43 pages)
4.SAM9G20.pdf
(42 pages)
5.SAM9G20.pdf
(832 pages)
Specifications of SAM9G20
Flash (kbytes)
0 Kbytes
Pin Count
217
Max. Operating Frequency
400 MHz
Cpu
ARM926
Hardware Qtouch Acquisition
No
Max I/o Pins
96
Ext Interrupts
96
Usb Transceiver
3
Usb Speed
Full Speed
Usb Interface
Host, Device
Spi
2
Twi (i2c)
1
Uart
7
Ssc
1
Ethernet
1
Sd / Emmc
1
Graphic Lcd
No
Video Decoder
No
Camera Interface
Yes
Adc Channels
4
Adc Resolution (bits)
10
Adc Speed (ksps)
95
Resistive Touch Screen
No
Temp. Sensor
No
Crypto Engine
No
Sram (kbytes)
32
Self Program Memory
NO
External Bus Interface
1
Dram Memory
sdram
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
32khz Rtc
Yes
Calibrated Rc Oscillator
No
- SAM9261 PDF datasheet
- SAM9261 PDF datasheet #2
- SAM9261 PDF datasheet #3
- SAM9G20 PDF datasheet #4
- SAM9G20 PDF datasheet #5
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346
346
SAM9G35
SAM9G35
gf_log[dmu[ro]]) + gf_log[sro[k]]) % NB_FIELD_ELEMENTS];
}
/*
/*
/*
/*
/*************************************************/
/* In either case compute delta */
delta[i+1]
/* In either case compute the discrepancy */
for (k = 0 ; k <= (lmu[i+1]>>1); k++)
{
}
/* compute difference */
diff = (mu[i] - mu[ro]);
/* compute X ^ (2(mu-ro)) */
for (k = 0; k < (2*NB_ERROR_MAX+1); k ++)
{
}
/* multiply by dmu * dmu[ro]^-1 */
for (k = 0; k < 2*NB_ERROR_MAX+1; k ++)
{
}
/* multiply by dmu * dmu[ro]^-1 */
for (k = 0; k < 2*NB_ERROR_MAX+1; k++)
{
}
if (k == 0)
dmu[i+1] = si[2*(i-1)+3];
/* check if one operand of the multiplier is null, its index is -1 */
else if (smu[i+1][k] && si[2*(i-1)+3-k])
sro[k] = 0;
sro[k+diff] = smu[ro][k];
/* dmu[ro] is not equal to zero by definition */
/* check that operand are different from 0
if (sro[k] && dmu[i])
{
}
smu[i+1][k] = smu[i][k] ^ sro[k];
if (smu[i+1][k])
{
}
/* galois inverse */
sro[k] = gf_antilog[(gf_log[dmu[i]] + (NB_FIELD_ELEMENTS-
/* find the order of the polynom */
lmu[i+1] = k << 1;
End Compute Sigma (Mu+1)
And L(mu)
= (mu[i+1] * 2 - lmu[i+1]) >> 1;
*/
*/
*/
*/
*/
11053B–ATARM–22-Sep-11
11053B–ATARM–22-Sep-11
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