SAM9G20 Atmel Corporation, SAM9G20 Datasheet - Page 781
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
- Current page: 781 of 832
- Download datasheet (13Mb)
Figure 41-3. SMC Timings - NCS Controlled Read and Write
6384E–ATARM–05-Feb-10
A0/A1/NBS[3:0]/A2-A25
D0 - D15
NWE
NRD
NCS
Table 41-29. SMC Write NCS Controlled (WRITE_MODE = 0)
Symbol
SMC
SMC
SMC
SMC
SMC
SMC
SMC12
SMC13
NCS Controlled READ
22
23
24
25
26
27
with NO HOLD
SMC14
Parameter
Data Out Valid before NCS High
NCS Pulse Width
NBS0/A0 NBS1, NBS2/A1, NBS3, A2
- A25 valid before NCS low
NWE low before NCS high
NCS High to Data Out, NBS0/A0,
NBS1, NBS2/A1, NBS3, A2 - A25,
change
NCS High to NWE Inactive
SMC8
SMC9
SMC12
SMC13
NCS Controlled READ
SMC14
with HOLD
SMC10
SMC11
nwe setup + ncs
pulse)* t
(ncs wr setup -
ncs wr pulse *
ncs wr pulse *
ncs wr setup *
(ncs wr hold -
ncs wr hold *
1.8V Supply
t
t
t
CPMCK
t
t
nwe hold)*
CPMCK
CPMCK
CPMCK
CPMCK
0.4
SMC24
CPMCK
+ 0.1
-0.6
-0.2
-0.8
-0.2
SMC25
NCS Controlled WRITE
-
Min
AT91SAM9G20
SMC23
nwe setup + ncs
pulse)* t
(ncs wr setup -
ncs wr pulse *
ncs wr pulse *
ncs wr setup *
(ncs wr hold -
SMC22
ncs wr hold *
3.3V Supply
t
t
t
t
t
nwe hold)*
CPMCK
CPMCK
CPMCK
CPMCK
CPMCK
0.3
CPMCK
SMC27
-0.1
-0.6
-0.2
-0.7
-0.2
SMC26
SMC26
-
Units
ns
ns
ns
ns
ns
ns
781
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