參數(shù)資料
型號: TNETA1600
廠商: Texas Instruments, Inc.
英文描述: SONET/SDH ATM Receiver/Transmitter for 622.08-Mit/s or 155.52-Mbit/s Operation(SONET/SDH ATM接收器/傳送器)
中文描述: SONET / SDH的自動柜員機接收器/發(fā)送器為622.08,麻省理工學院/ s或155.52 - Mbit / s的操作(SONET / SDH的自動柜員機接收器/傳送器)
文件頁數(shù): 19/54頁
文件大小: 1120K
代理商: TNETA1600
TNETA1600
SONET/SDH ATM RECEIVER/TRANSMITTER
FOR 622.08-MBIT/S OR 155.52-MBIT/S OPERATION
SDNS036 – FEBRUARY 1996
19
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
status registers
The status registers, located at hex addresses 000, 001, 002, and 003, contain information on the receive-
data-stream condition(s) that cause the interrupt flag (INTR) to become active. The coding for the status
registers is given in Table 4.
Table 4. Status-Register Coding
CAUSE OF INTERRUPT
SR1 CODING
(ADDRESS 000)
xxxx xxx1
SR2 CODING
(ADDRESS 001)
SR3 CODING
(ADDRESS 002)
SR4 CODING
(ADDRESS 003)
B1 parity error
B2 parity error
xxxx xx1x
B3 parity error
xxxx x1xx
Loss-of-cell alignment
xxxx 1xxx
Loss-of-incoming signal
xxx1 xxxx
Out of frame
xx1x xxxx
Loss of frame
x1xx xxxx
Loss-of-optical carrier
1xxx xxxx
Line AIS
xxxx xxx1
Line FERF
xxxx xx1x
Loss-of-receive data
xxxx x1xx
Loss of pointer
xxxx 1xxx
Path AIS
xxx1 xxxx
B1 block error-counter overflow
xx1x xxxx
B2 block error-counter overflow
x1xx xxxx
B3 block error-counter overflow
1xxx xxxx
B1 CV-counter overflow
xxxx xxx1
B2 CV-counter overflow
xxxx xx1x
B3 CV-counter overflow
xxxx x1xx
Path RDI
xxxx 1xxx
Path FERF
xxx1 xxxx
Line FEBE-counter overflow
xx1x xxxx
Path FEBE-counter overflow
x1xx xxxx
Output ATM-cell-counter overflow
1xxx xxxx
Discarded-Idle/unassigned-cell-counter overflow
xxxx xxx1
Single-bit-error ATM-cell-counter overflow
xxxx xx1x
Multiple-bit-error ATM-cell-counter overflow
xxxx x1xx
Payload-label mismatch
xxxx 1xxx
Path unequipped
xxx1 xxxx
The following description of the actions and various conditions causes bits to be set in the status registers, thereby
causing the open-drain INTR output to go active. All of the conditions that cause a bit in the status registers to set
are associated with the receive-data stream.
P
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