SAM9G45 Atmel Corporation, SAM9G45 Datasheet - Page 263
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
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22.7.5
Name:
Access:
Reset:
This register can only be written if the bit WPEN is cleared in
• TRFC: Row Cycle Delay
Reset Value is 8 cycles.
This field defines the delay between a Refresh and an Activate command or Refresh command in number of cycles. Num-
ber of cycles is between 0 and 31
• TXSNR: Exit Self Refresh Delay to Non-read Command
Reset Value is 8 cycles.
This field defines the delay between cke set high and a non Read Command in number of cycles. Number of cycles is
between 0 and 255. This field is used for SDR-SDRAM and DDR-SDRAM devices. In the case of SDR-SDRAM devices
and Low-power DDR-SDRAM, this field is equivalent to TXSR timing.
• TXSRD: ExiT Self Refresh Delay to Read Command
Reset Value is C8.
This field defines the delay between cke set high and a Read Command in number of cycles. Number of cycles is between
0 and 255 cycles.This field is unique to DDR-SDRAM devices.
• TXP: Exit Power-down Delay to First Command
Reset Value is 3.
This field defines the delay between cke set high and a Valid Command in number of cycles. Number of cycles is between
0 and 15 cycles. This field is unique to Low-power DDR-SDRAM devices and DDR2-SDRAM devices.
6438G–ATARM–19-Apr-11
31
23
15
–
7
–
DDRSDRC Timing 1 Parameter Register
30
22
14
DDRSDRC_T1PR
Read-write
See
–
6
–
Table 22-9
29
21
13
–
5
–
28
20
12
–
4
TXSRD
TXSNR
“DDRSDRC Write Protect Mode Register” on page
27
19
11
3
TRFC
26
18
10
2
TXP
25
17
9
1
SAM9G45
271.
24
16
8
0
263
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