DS21Q55 Maxim Integrated Products, DS21Q55 Datasheet - Page 136

• 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/Receive Channel Bit 1 Suppress Enable/Sa8 Bit Enable (RCB1SE ). LSB of the channel. Set to 1 to stop
this bit from being used.
Bit 1/Receive Channel Bit 2 Suppress Enable/Sa7 Bit Enable (RCB2SE). Set to 1 to stop this bit from being
used.
Bit 2/Receive Channel Bit 3 Suppress Enable/Sa6 Bit Enable (RCB3SE). Set to 1 to stop this bit from being
used.
Bit 3/Receive Channel Bit 4 Suppress Enable/Sa5 Bit Enable (RCB4SE). Set to 1 to stop this bit from being
used.
Bit 4/Receive Channel Bit 5 Suppress Enable/Sa4 Bit Enable (RCB5SE). Set to 1 to stop this bit from being
used.
Bit 5/Receive Channel Bit 6 Suppress Enable (RCB6SE). Set to 1 to stop this bit from being used.
Bit 6/Receive Channel Bit 7 Suppress Enable (RCB7SE). Set to 1 to stop this bit from being used.
Bit 7/Receive Channel Bit 8 Suppress Enable (RCB8SE). MSB of the channel. Set to 1 to stop this bit from
being used.
RCB8SE
7
0
RCB7SE
H1RTSBS, H2RTSBS
HDLC # 1 Receive Time Slot Bits/Sa Bits Select
HDLC # 2 Receive Time Slot Bits/Sa Bits Select
96h, A6h
6
0
RCB6SE
0
5
RCB5SE
136 of 237
4
0
RCB4SE
3
0
RCB3SE
2
0
RCB2SE
1
0
RCB1SE
0
0