AT89C51ID2-SLSIM Atmel, AT89C51ID2-SLSIM Datasheet - Page 130

• Manufacturer Part Number: AT89C51ID2-SLSIM
• Description: C51ID2 64KF TWI 32KHZ PLCC44 3-5.5V IND.
• Manufacturer: Atmel

Table 95. Autobaud Performances (Continued)
Command Data Stream
Protocol
Figure 52. Command Flow
4289C–8051–11/05
Frequency (MHz)
Baudrate (kHz)
4800
9600
19200
38400
57600
115200
Sends first character of the
Frame
Sends frame (made of 2 ASCII
characters per byte)
Echo analysis
Host
1.8432
OK
OK
OK
-
-
-
2
All commands are sent using the same flow. Each frame sent by the host is echoed by
the bootloader.
OK
OK
OK
-
-
-
2.4576
OK
OK
OK
OK
OK
OK
3
":"
":"
OK
OK
OK
OK
-
-
3.6864
OK
OK
OK
OK
OK
OK
4
OK
OK
OK
OK
OK
Gets frame, and sends back ec
for each received byte
-
Else
If (not received ":")
Sends echo and start
reception
Bootloader
5
OK
OK
OK
OK
OK
-
AT89C51ID2
6
OK
OK
OK
OK
OK
-
7.3728
OK
OK
OK
OK
OK
-
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