SAM9G20 Atmel Corporation, SAM9G20 Datasheet - Page 782
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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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- Download datasheet (13Mb)
Figure 41-4. SMC Timings - NRD Controlled Read and NWE Controlled Write
41.10 SDRAMC Timings
782
A0/A1/NBS[3:0]/A2-A25
AT91SAM9G20
D0 - D31
NWE
NRD
NCS
SMC6
SMC5
Timings are given assuming a capacitance load on data, control and address pads :
Table 41-30. Capacitance Load on data, control and address pads
Table 41-31. Capacitance Load on SDCK pad
The SDRAM Controller satisfies the timings of standard PC100, PC133 (3.3V supply) and
Mobile SDRAM (1.8 supply) that are given in
Table 41-32. SDRAM PC100 Characteristics
NRD Controlled READ
IO Supply
3.3V
1.8V
IO Supply
3.3V
1.8V
Parameter
SDRAM Controller Clock Frequency
Control/Address/Data In Setup
Control/Address/Data In Hold
Data Out Access time after SDCK rising
Data Out change time after SDCK rising
with NO HOLD
SMC7
SMC1
SMC2
Corner
MAX
50pF
30 pF
Corner
MAX
10pF
10pF
SMC17
SMC18
NWE Controlled WRITE
with NO HOLD
SMC16
SMC15
(1)(2)
(1)(2)
SMC21
SMC21
SMC21
SMC6
SMC5
NRD Controlled READ
SMC7
with HOLD
Table
SMC3
3.3V Supply
41-32,
SMC4
Min
2
1
3
Table 41-33
SMC17
SMC18
NWE Controlled WRITE
3.3V Supply
and
with HOLD
SMC16
Max
100
6
SMC15
Table
6384E–ATARM–05-Feb-10
SMC19
SMC20
41-34.
SMC19
Units
MHz
ns
ns
ns
ns
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