SAM9G45 Atmel Corporation, SAM9G45 Datasheet - Page 1177
SAM9G45
Manufacturer Part Number
SAM9G45
Description
Manufacturer
Atmel Corporation
Datasheets
1.SAM9261.pdf
(248 pages)
2.SAM9261.pdf
(1274 pages)
3.SAM9261.pdf
(43 pages)
4.SAM9G45.pdf
(10 pages)
5.SAM9G45.pdf
(55 pages)
6.SAM9G45.pdf
(1196 pages)
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
- SAM9261 PDF datasheet
- SAM9261 PDF datasheet #2
- SAM9261 PDF datasheet #3
- SAM9G45 PDF datasheet #4
- SAM9G45 PDF datasheet #5
- SAM9G45 PDF datasheet #6
- Current page: 1177 of 1196
- Download datasheet (20Mb)
6438G–ATARM–19-Apr-11
Or:
Warning: When booting out of the internal ROM, this workaround is not implemented and there-
fore SAM-BA boot will not be functional.
Below is a possible implementation of the workaround:
1. Apply a hardware reset (NRST) after power-up.
2. Activate the PLLUTMI twice, following the procedure below:
/* First enable the UTMI PLL */
AT91C_BASE_PMC->CKGR_UCKR |= (AT91C_CKGR_UCKR_PLLCOUNT & (0x3 << 20)) |
AT91C_CKGR_UCKR_UPLLEN;
tmp =0;
while (((AT91C_BASE_PMC->PMC_SR & AT91C_PMC_SR_LOCKU) == 0) && (tmp++ <
DELAY));
/* Disable the PLLUTMI and wait 10µs min*/
AT91C_BASE_PMC->CKGR_UCKR &= ~AT91C_CKGR_UCKR_UPLLEN;
tmp = 0;
while(tmp++ < DELAY2); // DELAY2 must be defined to fit the 10 µs min;
/* Re- enable the UTMI PLL and wait for the PLL lock status*/
AT91C_BASE_PMC->CKGR_UCKR |= (AT91C_CKGR_UCKR_PLLCOUNT & (0x3 << 20)) |
AT91C_CKGR_UCKR_UPLLEN;
tmp =0;
while (((AT91C_BASE_PMC->PMC_SR & AT91C_PMC_SR_LOCKU) == 0) && (tmp++ <
DELAY));
a. Start The UTMI PLL an wait for the PLL lock bit
b. Disable the UTMI PLL and wait 10 μ seconds minimum
c. Restart the UTMIPLL and wait for the PLL Lock bit
SAM9G45
1177
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