ds2156gn Maxim Integrated Products, Inc., ds2156gn Datasheet - Page 224

• Manufacturer Part Number: ds2156gn
• Description: Ds2156, Ds2156l, Ds2156ln T1/e1/j1 Single-chip Transceiver Tdm/utopia Ii Interface
• Manufacturer: Maxim Integrated Products, Inc.

32.
The DS2156 provides four user-programmable output pins. The pins are automatically cleared to 0 at
power-up or as a result of a hardware- or software-issued reset.
Register Name:
Register Description:
Register Address:
Bit #
Name
Default
Bit 0/User-Defined Output 0 (UOP0)
Bit 1/User-Defined Output 1 (UOP1)
Bit 2/User-Defined Output 2 (UOP2)
Bit 3/User-Defined Output 3 (UOP3)
Bits 4 to 7/Receive Level Threshold Bits (RLT0 to RLT3)
RLT3
0
0
0
0
0
0
0
0
1
1
1
1
1
1
1
1
USER-PROGRAMMABLE OUTPUT PINS
0 = logic 0 level at pin
1 = logic 1 level at pin
0 = logic 0 level at pin
1 = logic 1 level at pin
0 = logic 0 level at pin
1 = logic 1 level at pin
0 = logic 0 level at pin
1 = logic 1 level at pin
RLT3
7
0
RLT2
0
0
0
0
1
1
1
1
0
0
0
0
1
1
1
1
RLT2
CCR4
Common Control Register 4
73h
6
0
RLT1
0
0
1
1
0
0
1
1
0
0
1
1
0
0
1
1
RLT1
5
0
RLT0
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
RLT0
4
0
224 of 265
Receive Level (dB)
Greater than -2.5
Less than -37.5
UOP3
3
0
-10.0
-12.5
-15.0
-17.5
-20.0
-22.5
-25.0
-27.5
-30.0
-32.5
-35.0
-2.5
-5.0
-7.5
UOP2
2
0
UOP1
1
0
UOP0
0
0