DS21Q55 Maxim Integrated Products, DS21Q55 Datasheet - Page 138

• Manufacturer Part Number: DS21Q55
• Description: IC TXRX QUAD T1/E1/J1 SCT 256BGA
• Manufacturer: Maxim Integrated Products

Specifications of DS21Q55

• Function: Transceiver
• Interface: E1, J1, T1
• Number Of Circuits: 4
• Voltage - Supply: 3.14 V ~ 3.47 V
• Current - Supply: 75mA
• Operating Temperature: 0°C ~ 70°C
• Mounting Type: Surface Mount
• Package / Case: 256-BGA
• Includes: BERT Generator and Detector, Dual HDLC Controllers
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
• Power (watts): -

Register Name:
Register Description:
Register Address:
Bit #
Name
Default
Bit 0/Transmit Channel Bit 1 Suppress Enable/Sa8 Bit Enable (TCB1SE). LSB of the channel. Set to 1 to stop
this bit from being used.
Bit 1/Transmit Channel Bit 2 Suppress Enable/Sa7 Bit Enable (TCB1SE). Set to 1 to stop this bit from being
used.
Bit 2/Transmit Channel Bit 3 Suppress Enable/Sa6 Bit Enable (TCB1SE). Set to 1 to stop this bit from being
used.
Bit 3/Transmit Channel Bit 4 Suppress Enable/Sa5 Bit Enable (TCB1SE). Set to 1 to stop this bit from being
used.
Bit 4/Transmit Channel Bit 5 Suppress Enable/Sa4 Bit Enable (TCB1SE). Set to 1 to stop this bit from being
used.
Bit 5/Transmit Channel Bit 6 Suppress Enable (TCB1SE). Set to 1 to stop this bit from being used.
Bit 6/Transmit Channel Bit 7 Suppress Enable (TCB1SE). Set to 1 to stop this bit from being used.
Bit 7/Transmit Channel Bit 8 Suppress Enable (TCB1SE). MSB of the channel. Set to 1 to stop this bit from
being used.
TCB8SE
7
0
TCB7SE
H1TTSBS, H2TTSBS
HDLC # 1 Transmit Time Slot Bits/Sa Bits Select
HDLC # 2 Transmit Time Slot Bits/Sa Bits Select
9Bh, ABh
6
0
TCB6SE
5
0
TCB5SE
4
0
138 of 237
TCB4SE
3
0
TCB3SE
2
0
TCB2SE
1
0
TCB1SE
0
0