SAM9G15 Atmel Corporation, SAM9G15 Datasheet - Page 66
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SAM9G15
Manufacturer Part Number
SAM9G15
Description
Manufacturer
Atmel Corporation
Datasheets
1.SAM9261.pdf
(248 pages)
2.SAM9261.pdf
(1274 pages)
3.SAM9261.pdf
(43 pages)
4.SAM9G15.pdf
(1211 pages)
5.SAM9G15.pdf
(45 pages)
Specifications of SAM9G15
Flash (kbytes)
0 Kbytes
Pin Count
217
Max. Operating Frequency
400 MHz
Cpu
ARM926
Hardware Qtouch Acquisition
No
Max I/o Pins
105
Ext Interrupts
105
Usb Transceiver
3
Usb Speed
Hi-Speed
Usb Interface
Host, Device
Spi
2
Twi (i2c)
3
Uart
6
Lin
4
Ssc
1
Sd / Emmc
2
Graphic Lcd
Yes
Video Decoder
No
Camera Interface
No
Adc Channels
12
Adc Resolution (bits)
10
Adc Speed (ksps)
440
Resistive Touch Screen
Yes
Temp. Sensor
No
Crypto Engine
No
Sram (kbytes)
32
Self Program Memory
NO
External Bus Interface
1
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
- SAM9G15 PDF datasheet #4
- SAM9G15 PDF datasheet #5
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- Download datasheet (25Mb)
11.5.2
11.5.2.1
11.5.2.2
66
SAM9G15
DBGU Serial Port
Supported External Crystal/External Clocks
Xmodem Protocol
Note:
Communication is performed through the DBGU serial port initialized to 115,200 Baud, 8 bits of
data, no parity, 1 stop bit.
The SAM-BA Monitor supports a frequency of 12 MHz to allow DBGU communication for both
external crystal and external clock.
The Send and Receive File commands use the Xmodem protocol to communicate. Any terminal
performing this protocol can be used to send the application file to the target. The size of the
binary file to send depends on the SRAM size embedded in the product. In all cases, the size of
the binary file must be lower than the SRAM size because the Xmodem protocol requires some
SRAM memory in order to work.
The Xmodem protocol supported is the 128-byte length block. This protocol uses a two-charac-
ter CRC16 to guarantee detection of a maximum bit error.
Xmodem protocol with CRC is accurate provided both sender and receiver report successful
transmission. Each block of the transfer looks like:
<SOH><blk #><255-blk #><--128 data bytes--><checksum> in which:
Figure 11-11
• Send a file (S): Send a file to a specified address.
• Receive a file (R): Receive data into a file from a specified address
• Go (G): Jump to a specified address and execute the code.
• Get Version (V): Return the Boot Program version.
– Address: Address in hexadecimal.
– Output: The byte, halfword or word read in hexadecimal followed by ‘>’
– Address: Address in hexadecimal.
– Output: ‘>’
– Address: Address in hexadecimal.
–
– Output: ‘>’
– Address: Address to jump in hexadecimal.
– Output: ‘>’once returned from the program execution. If the executed program does
– Output: version, date and time of ROM code followed by ‘>’.
– <SOH> = 01 hex
– <blk #> = binary number, starts at 01, increments by 1, and wraps 0FFH to 00H (not
– <255-blk #> = 1’s complement of the blk#.
– <checksum> = 2 bytes CRC16
NbOfBytes
not handle the link register at its entry and does not return, the prompt will not be
displayed.
to 01)
There is a time-out on this command which is reached when the prompt ‘>’ appears before the
end of the command execution.
shows a transmission using this protocol.
: Number of bytes in hexadecimal to receive.
11052C–ATARM–21-Nov-11
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