參數(shù)資料
型號: TP3410J
廠商: NATIONAL SEMICONDUCTOR CORP
元件分類: 數(shù)字傳輸電路
英文描述: TP3410 ISDN Basic Access Echo-Cancelling 2B1Q U Transceiver
中文描述: DATACOM, DIGITAL SLIC, CDIP28
封裝: CERAMIC, DIP-28
文件頁數(shù): 16/32頁
文件大?。?/td> 436K
代理商: TP3410J
Functional Description
(Continued)
TABLE III. Status Registers
Function
Byte 1 (Register Address)
Byte 2 (Data)
7
6
5
4
3
2
1
0
7
6
5
4
3
2
1
0
READABLE CONFIGURATION REGISTERS
Default (No Change
on a Write Cycle)
OPR Contents
CR1 Contents
CR2 Contents
CR3 Contents
CR4 Contents
TXB1 Contents
TXB2 Contents
RXB1 Contents
RXB2 Contents
TXD Contents
RXD Contents
BEC1 (Note 2)
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
1
1
1
1
1
1
1
1
1
1
1
0
0
0
0
0
0
1
1
1
1
1
1
0
0
0
0
0
1
0
0
0
0
1
1
0
0
0
1
1
1
0
0
1
1
0
0
1
0
1
0
1
0
0
1
0
1
0
1
1
1
1
1
1
1
1
1
1
1
1
1
1
CIE
FF1
SSS
LB1
SH9
0
0
EB1
EB2
DX5
DR5
ec7
EIE
FF0
NTS
LB2
AACT
0
0
ED
0
DX4
DR4
ec6
FIE
CK2
DMO
LBD
WS
TS5
TS5
TS5
TS5
DX3
DR3
ec5
OB1
CK1
DEN
DB1
333 Hz
TS4
TS4
TS4
TS4
DX2
DR2
ec4
OB0
CK0
DD
DB2
saif
TS3
TS3
TS3
TS3
DX1
DR1
ec3
OC1
DDM
BP1
DBD
TFB0
TS2
TS2
TS2
TS2
DX0
DR0
ec2
OC0
CMS
BP2
TLB
RFS
TS1
TS1
TS1
TS1
SX1
SR1
ec1
0
BEX
0
0
LFS
TS0
TS0
TS0
TS0
SX0
SR0
ec0
REGISTERS WHICH GENERATE A MICROWIRE INTERRUPT OR GCI MONITOR CHANNEL MESSAGE
(Note 4)
RXM4
RXM56 Spare Bits
ACT Indication Reg
BEC1 (Note 2)
RX EOC Register
(Note 3)
0
0
0
0
0
1
1
1
1
1
0
0
0
0
0
0
0
0
0
1
0
0
0
0
0
0
1
1
0
1
0
1
0
0
0
0
M41
0
0
ec7
ei1
M42
ES2
0
ec6
ei2
M43
ES1
0
ec5
ei3
M44
M51
0
ec4
ei4
M45
M61
C4
ec3
ei5
M46
M52
C3
ec2
ei6
M47
RFB
C2
ec1
ei7
M48
NEB
C1
ec0
ei8
ea1
ea2
ea3
dm
Note 1:
Bit 7 of byte 1 is always the first bit clocked into the device.
Note 2:
BEC1 may be polled, via the appropriate read command (see Table II), at any time to read the current error count.
Note 3:
In the Rx EOC Register:
ea1
e
the msb of the EOC destination address;
ea2
e
bit 2 of the EOC destination address;
ea3
e
the lsb of the EOC destination address;
dm
e
the EOC data/message mode indicator.
Note 4:
Changes in contents of these registers are queued on a stack which generates interrupts or messages in the following priority order:
1. Register Readback request.
2. ACT Indication Register (Microwire only).
3. RXM4 Register.
4. RX EOC Register.
5. RXM56 Spare Bits Register.
6. BEC1 Register.
16
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