at91sam9260-cj ATMEL Corporation, at91sam9260-cj Datasheet - Page 84

• Manufacturer Part Number: at91sam9260-cj
• Description: At91 Arm Thumb Microcontrollers
• Manufacturer: ATMEL Corporation

6221G–ATARM–31-Jan-08
Figure 13-8. AutoBaudrate Flow Diagram
Table 13-8.
Command
O
o
H
h
W
w
S
R
G
V
• Write commands: Write a byte (O), a halfword (H) or a word (W) to the target.
– Once the communication interface is identified, the application runs in an infinite
– Address: Address in hexadecimal.
– Value: Byte, halfword or word to write in hexadecimal.
– Output: ‘>’.
loop waiting for different commands as in
Commands Available through the SAM-BA Boot
Action
write a byte
read a byte
write a half word
read a half word
write a word
read a word
send a file
receive a file
go
display version
Send Character '>'
Run SAM-BA Boot
Character '0x80'
Character '0x80'
Character '#'
Yes
Yes
Yes
received ?
received ?
received ?
Device
Setup
Argument(s)
Address, Value#
Address,#
Address, Value#
Address,#
Address, Value#
Address,#
Address,#
Address, NbOfBytes#
Address#
No argument
No
No
No
Table
13-8.
1st measurement
2nd measurement
Test Communication
UART operational
Example
O200001,CA#
o200001,#
H200002,CAFE#
h200002,#
W200000,CAFEDECA#
w200000,#
S200000,#
R200000,1234#
G200200#
V#
AT91SAM9260
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