SAM9G20 Atmel Corporation, SAM9G20 Datasheet - Page 611
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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
- Current page: 611 of 832
- Download datasheet (13Mb)
35.9.6
Name:
Access Type: Write-only
This register is write-protected while CMDRDY is 0 in MCI_SR. If an Interrupt command is sent, this register is only write-
able by an interrupt response (field SPCMD). This means that the current command execution cannot be interrupted or
modified.
• CMDNB: Command Number
• RSPTYP: Response Type
• SPCMD: Special Command
• OPDCMD: Open Drain Command
0 = Push pull command
1 = Open drain command
6384E–ATARM–05-Feb-10
31
23
15
–
–
–
7
0
0
1
1
0
0
0
0
1
1
MCI Command Register
RSPTYP
MCI_CMDR
RSP
30
22
14
–
–
–
6
SPCMD
0
0
1
1
0
0
0
1
0
1
29
21
13
Response Type
No response.
48-bit response.
136-bit response.
Reserved.
–
–
5
0
1
0
1
0
1
MAXLAT
TRTYP
28
20
12
–
4
Command
Not a special CMD.
Initialization CMD:
74 clock cycles for initialization sequence.
Synchronized CMD:
Wait for the end of the current data block transfer before sending the
pending command.
Reserved.
Interrupt command:
Corresponds to the Interrupt Mode (CMD40).
Interrupt response:
Corresponds to the Interrupt Mode (CMD40).
OPDCMD
27
19
11
–
3
CMDNB
TRDIR
26
18
10
–
2
AT91SAM9G20
SPCMD
25
17
9
1
IOSPCMD
TRCMD
24
16
8
0
611
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