ATWEBDVK-02VOIP Atmel, ATWEBDVK-02VOIP Datasheet - Page 105

• Manufacturer Part Number: ATWEBDVK-02VOIP
• Description: KIT DEV TCP/IP AT89C51RD2 VOIP
• Manufacturer: Atmel
• Series: @Webr

Specifications of ATWEBDVK-02VOIP

• Main Purpose: *
• Embedded: *
• Utilized Ic / Part: AT89C51RD2
• Primary Attributes: *
• Secondary Attributes: *
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant

24.9.4
Figure 24-8. Command Flow
4235K–8051–05/08
Command Data Stream Protocol
Sends First Character of the
Frame
Sends Frame (made of 2 ASCII
Characters Per Byte)
Echo Analysis
Host
Table 24-8.
All commands are sent using the same flow. Each frame sent by the host is echoed by the
bootloader.
Frequency
(MHz)
Baudrate (kHz)
4800
9600
19200
38400
57600
115200
Frequency
(MHz)
Baudrate (kHz)
2400
4800
9600
19200
38400
57600
115200
Autobaud Performances (Continued)
1.8432
OK
OK
OK
OK
OK
OK
OK
8
-
-
-
-
-
-
OK
OK
OK
OK
10
2
-
-
-
-
-
-
-
-
-
":"
":"
11.0592
2.4576
OK
OK
OK
OK
OK
OK
OK
OK
OK
OK
OK
-
-
OK
OK
OK
OK
OK
OK
OK
OK
12
3
-
-
-
-
3.6864
14.746
OK
OK
OK
OK
OK
OK
OK
OK
OK
OK
OK
OK
Gets Frame, and Sends Back Echo
for Each Received Byte
-
Else
If (not received ":")
Sends Echo and Start
Reception
AT89C51RD2/ED2
Bootloader
OK
OK
OK
OK
OK
OK
OK
OK
16
4
-
-
-
-
-
OK
OK
OK
OK
OK
OK
OK
OK
OK
20
5
-
-
-
-
OK
OK
OK
OK
OK
OK
OK
OK
OK
OK
24
6
-
-
-
7.3728
26.6
OK
OK
OK
OK
OK
OK
OK
OK
OK
OK
OK
OK
-
105