SAM9G45 Atmel Corporation, SAM9G45 Datasheet - Page 238
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: 238 of 1196
- Download datasheet (20Mb)
Figure 22-8. Write Command Followed By a Read Command without Burst Write Interrupt, Low-power DDR1-SDRAM
Figure 22-9. Single Write Access Followed By A Read Access Low-power DDR1-SDRAM Devices
238
COMMAND
DQS[1:0]
COMMAND
DM[1:0]
SDCLK
BA[1:0]
D[15:0]
A[12:0]
DQS[1:0]
DM[1:0]
SDCLK
BA[1:0]
D[15:0]
A[12:0]
SAM9G45
Device
NOP
0
3
0
3
NOP
In the case of a single write access, write operation should be interrupted by a read access but
DM must be input 1 cycle prior to the read command to avoid writing invalid data. See
9 on page
PRCHG
col a
238.
Row a
NOP
WRITE
ACT
0
Da
Twrd = BL/2 +2 = 8/2 +2 = 6
NOP
Db
Dc
WRITE
Da
Dd De Df
NOP
col a
0
Dg Dh
NOP
3
col a
3
Db
Twr = 1
READ
READ
BST
BST
Data masked
Da Db
Da Db
NOP
6438G–ATARM–19-Apr-11
NOP
Figure 22-
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