DS21Q55 Maxim Integrated Products, DS21Q55 Datasheet - Page 107

• 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
Bits 0 to 7/Transmit Channels 1 to 8 Channel Blocking Control Bits (CH1 to CH8)
Register Name:
Register Description:
Register Address:
Bit #
Name
Default
Bits 0 to 7/Transmit Channels 9 to 16 Channel Blocking Control Bits (CH9 to CH16)
Register Name:
Register Description:
Register Address:
Bit #
Name
Default
Bits 0 to 7/Transmit Channels 17 to 24 Channel Blocking Control Bits (CH17 to CH24)
Register Name:
Register Description:
Register Address:
Bit #
Name
Default
Bits 0 to 7/Transmit Channels 25 to 32 Channel Blocking Control Bits (CH25 to CH32)
0 = force the TCHBLK pin to remain low during this channel time
1 = force the TCHBLK pin high during this channel time
0 = force the TCHBLK pin to remain low during this channel time
1 = force the TCHBLK pin high during this channel time
0 = force the TCHBLK pin to remain low during this channel time
1 = force the TCHBLK pin high during this channel time
0 = force the TCHBLK pin to remain low during this channel time
1 = force the TCHBLK pin high during this channel time
CH16
CH24
CH32
CH8
7
0
7
0
7
0
7
0
CH15
CH23
CH31
CH7
TCBR1
Transmit Channel Blocking Register 1
8Ch
TCBR2
Transmit Channel Blocking Register 2
8Dh
TCBR3
Transmit Channel Blocking Register 3
8Eh
TCBR4
Transmit Channel Blocking Register 4
8Fh
6
0
6
0
6
0
6
0
CH14
CH22
CH30
CH6
5
0
5
0
5
0
5
0
CH13
CH21
CH29
CH5
4
0
4
0
4
0
4
0
107 of 237
CH12
CH20
CH28
CH4
0
0
0
0
3
3
3
3
CH11
CH19
CH27
CH3
2
0
2
0
2
0
2
0
CH10
CH18
CH26
CH2
1
0
1
0
1
0
1
0
CH17
CH25
CH1
CH9
0
0
0
0
0
0
0
0