DS2148 Dallas Semiconducotr, DS2148 Datasheet - Page 23

• Manufacturer Part Number: DS2148
• Description: 5V E1/T1/J1 Line Interface
• Manufacturer: Dallas Semiconducotr

5.1
REGISTER MAP Table 5-1
NOTES:
1) Register addresses 16h to 1Fh do not exist.
2) In the Serial Port Mode, the LSB is on the right hand side.
3) In the Serial Port Mode, data is read and written LSB first.
4) In the Serial Port Mode, the A bit (the LSB) determines whether the access is a read (A = 1) or a write
5) In the Serial Port Mode, the B bit (the MSB) determines whether the access is a burst access (B = 1)
ACRONYM
RDNCD1
RDNCD2
RUPCD1
RUPCD2
TEST1
TEST2
TEST3
(A = 0).
or a single register access (B = 0).
CCR1
CCR2
CCR3
CCR4
CCR5
CCR6
TCD1
TCD2
ECR1
ECR2
IBCC
RIR1
RIR2
IMR
SR
–
Register Map
Common Control Register 1
Common Control Register 2
Common Control Register 3
Common Control Register 4
Common Control Register 5
Common Control Register 6
Status Register
Interrupt Mask Register
Receive Information Register 1
Receive Information Register 2
In-Band Code Control Register
Transmit Code Definition
Register 1
Transmit Code Definition
Register 2
Receive Up Code Definition
Register 1
Receive Up Code Definition
Register 2
Receive Down Code Definition
Register 1
Receive Down Code Definition
Register 2
Error Count Register 1
Error Count Register 2
Test 1
Test 2
Test 3
REGISTER NAME
–
23 of 75
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R
R
R
R
R
–
PORT MODE
PARALLEL
Note 1
0Ah
0Dh
0Bh
0Ch
0Eh
00h
01h
02h
03h
04h
05h
06h
07h
0Fh
10h
11h
12h
13h
14h
15h
08h
09h
PORT MODE
See Notes 2–5
(msb)
B000 000A
B000 001A
B000 010A
B000 011A
B000 100A
B000 101A
B000 110A
B000 111A
B001 000A
B001 001A
B001 010A
B001 011A
B001 100A
B001 101A
B001 110A
B001 111A
B010 000A
B010 001A
B010 010A
B010 011A
B010 100A
B010 101A
SERIAL
–
(lsb)