TP3410J National Semiconductor, TP3410J Datasheet - Page 16

• Manufacturer Part Number: TP3410J
• Manufacturer: National Semiconductor

Specifications of TP3410J

• Number Of Line Interfaces: 1
• Control Interface: HDLC
• Lead Free Status / Rohs Status: Not Compliant

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)
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)
Functional Description
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
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
Function
ea1
ea2
ea3
dm
e
e
e
e
the EOC data message mode indicator
the msb of the EOC destination address
bit 2 of the EOC destination address
the lsb of the EOC destination address
7
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
6
0
0
0
0
0
0
0
0
0
0
0
0
1
1
1
1
1
1
Byte 1 (Register Address)
5
0
1
1
1
1
1
1
1
1
1
1
1
0
0
0
0
0
0
(Continued)
4
0
0
0
0
0
0
1
1
1
1
1
1
0
0
0
0
0
1
ea1
3
0
0
0
0
0
1
0
0
0
0
1
1
0
0
0
0
0
TABLE III Status Registers
ea2
2
0
0
0
1
1
1
0
0
1
1
0
0
1
0
0
1
1
ea3
1
0
0
1
0
1
0
0
1
0
1
0
1
1
0
1
0
1
16
dm
0
0
1
1
1
1
1
1
1
1
1
1
1
1
0
0
0
0
DR5
SSS
SH9 AACT
EB1
EB2
DX5
M41
FF1
LB1
CIE
ec7
ec7
ei1
7
0
0
0
0
0
NTS
DX4
DR4
M42
ES2
FF0
LB2
EIE
ec6
ec6
ED
ei2
6
0
0
0
0
0
DMO
CK2
LBD
DX3
DR3
M43
TS5
TS5
TS5
TS5
ES1
ec5
ec5
FIE
WS
ei3
5
0
0
Byte 2 (Data)
333 Hz
OB1
DEN
DR2
CK1
DB1
TS4
TS4
TS4
TS4
DX2
M44
M51
ec4
ec4
ei4
4
0
0
OB0
CK0
DB2
DX1
DR1
M45
M61
TS3
TS3
TS3
TS3
ec3
ec3
DD
saif
ei5
C4
3
0
TFB0
DDM
DBD
OC1
DX0
DR0
M46
M52
BP1
TS2
TS2
TS2
TS2
ec2
ec2
ei6
C3
2
0
CMS BEX
OC0
RFS
SR1
M47
RFB
BP2
TLB
TS1
TS1
TS1
TS1
SX1
ec1
ec1
ei7
C2
1
0
NEB
SR0
M48
LFS
TS0
TS0
TS0
TS0
SX0
ec0
ec0
C1
ei8
0
0
0
0
0