DS2155L Maxim Integrated Products, DS2155L Datasheet - Page 193

• Manufacturer Part Number: DS2155L
• Description: IC TXRX T1/E1/J1 1-CHIP 100-LQFP
• Manufacturer: Maxim Integrated Products

Specifications of DS2155L

• Function: Single-Chip Transceiver
• Interface: E1, HDLC, J1, T1
• Number Of Circuits: 1
• Voltage - Supply: 3.14 V ~ 3.47 V
• Current - Supply: 75mA
• Operating Temperature: 0°C ~ 70°C
• Mounting Type: Surface Mount
• Package / Case: 100-LQFP
• Includes: BERT Generator and Detector, CMI Coder and Decoder, HDLC Controller
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
• Power (watts): -

32.
The DS2155 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
Receive Level (dB)
193 of 238
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