參數(shù)資料
型號(hào): IDT82V2608BB
廠(chǎng)商: INTEGRATED DEVICE TECHNOLOGY INC
元件分類(lèi): 數(shù)字傳輸電路
英文描述: INVERSE MULTIPLEXING FOR ATM
中文描述: ATM/SONET/SDH SUPPORT CIRCUIT, PBGA208
封裝: PLASTIC, BGA-208
文件頁(yè)數(shù): 74/98頁(yè)
文件大小: 398K
代理商: IDT82V2608BB
IMAOS08_SLAVE
74
December 4, 2006
IDT82V2608
Inverse Multiplexing for ATM
Table-55 DeviceInitial 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_Slave’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: 250 ms
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: 250 ms
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.
8
TCLCD_Threshold
68H
0~255
LCD threshold. If the OCD anomaly persists for the time set by this parameter, LCD defect will be
reported.
Unit: one cell’s transmssion time
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.
相關(guān)PDF資料
PDF描述
IDT82V2608 INVERSE MULTIPLEXING FOR ATM
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IDT82V3002APV WAN PLL WITH DUAL REFERENCE INPUTS
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