参数资料
型号: IDT82V2608
厂商: Integrated Device Technology, Inc.
英文描述: INVERSE MULTIPLEXING FOR ATM
中文描述: 反向复用的ATM
文件页数: 33/98页
文件大小: 398K
代理商: IDT82V2608
PROGRAMMING INFORMATION for IMAOS08
33
December 4, 2006
IDT82V2608
Inverse Multiplexing for ATM
5.3
COMMAND DESCRIPTION
Each command description contains two parts: Command Parame-
ters and Command Reply. In the Command Parameters part, a figure is
used to illustrate the byte sequence of the parameters. All the parameter
descriptions are listed below the figure. In the Command Reply part,
another figure is used to illustrate the reply sequence in the reply
message. The reply description is listed below the figure. For detailed
information about the packet of command message and reply message,
refer to
page 31
.
Table-17 ConfigDev Command (Encoding: 01H)
This is the first command to be issued. If this command is not issued, the default value will be used.
Command Parameters
Byte Sequence
Parameter Name
Default
Description
1-2
SysClk
4E20H
SysClk=Frequency of SystemClock (Hz)/1000. For example, if the systemclock is 20 MHz, this value
would be 20000.
Unit: sys-ticks in 1 ms (MSB first)
Note:
Wrong configuration will make IMAOS’s timer work improperly.
3
T
in
2H
Timer of entering failure alarmstate. When a defect persists for a period set by this timer, the
IDT82V2608 will enter failure alarmstate.
Unit: 1 s
4
T
exit
0AH
Timer of exiting failure alarmstate. If a defect no longer exists for a period set by this timer, the
IDT82V2608 will exit failure alarmstate.
Unit: 1 s
5
No
0H
Reserved. Write 0 to this field.
6
TCWorkMode
7H
7
TCAlpha&Delta
67H
Alpha value is the number of consecutive incorrect HEC fields for the Rx cell synchronization state
machine to exit sync state.
Delta value is the number of consecutive correct HEC fields for the Rx cell synchronization state machine
to enter sync state.
1-2
3
4
5
6
7
8
SysClk
T
in
T
exit
No
TCWorkMode
TCAlpha&Delta
TCLCD_Threshold
Bit Position
Description
7~3
Dont Care
2
1: Enable Tx TC scrambling (default);
0: Disable Tx TC scrambling
1
1: Enable Rx TC HEC error correct control (default);
0: Disable Rx TC HEC error correct control
0
1: Enable Rx TC de-scrambling (default);
0: Disable Rx TC de-scrambling
Bit Position
Description
7-4
Delta value. Valid is 0~15.
3-0
Alpha value. Valid is 0~15.
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