DS26518GN+ Maxim Integrated Products, DS26518GN+ Datasheet - Page 205
![IC TXRX T1/E1/J1 8PORT 256-CSBGA](/photos/6/50/65053/256-csbga_21-0315_sml.jpg)
DS26518GN+
Manufacturer Part Number
DS26518GN+
Description
IC TXRX T1/E1/J1 8PORT 256-CSBGA
Manufacturer
Maxim Integrated Products
Type
Transceiverr
Specifications of DS26518GN+
Number Of Drivers/receivers
8/8
Protocol
T1/E1/J1
Voltage - Supply
3.135 V ~ 3.465 V
Mounting Type
Surface Mount
Package / Case
256-CSBGA
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
- Current page: 205 of 286
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Register Name:
Register Description:
Register Address:
Bit #
Name
Default
Note: See
Bit 7: Transmit Japanese CRC-6 Enable (TJC)
Bit 6: Transmit F-Bit Pass Through (TFPT)
Bit 5: Transmit CRC Pass Through (TCPT)
Bit 4: Transmit Software Signaling Enable (TSSE). This function is enabled by TB7ZS (T1.TCR2.0).
Bit 3: Global Bit 7 Stuffing (GB7S). This function is enabled by TB7ZS (T1.TCR2.0).
Bit 2: Transmit B8ZS Enable (TB8ZS)
Bit 1: Transmit Alarm Indication Signal (TAIS)
Bit 0: Transmit Remote Alarm Indication (TRAI)
0 = Use ANSI/AT&T:ITU-T CRC-6 calculation (normal operation).
1 = Use Japanese standard JT–G704 CRC-6 calculation.
0 = F bits sourced internally.
1 = F bits sampled at TSERn (T1.TCR2.7 TFDLS must be programmed to 0).
0 = Source CRC-6 bits internally.
1 = CRC-6 bits sampled at TSERn during F-bit time.
0 = Do not source signaling data from the TS1–16 registers regardless of the SSIE1–4 registers. The
SSIE1–4 registers still define which channels are to have B7 stuffing performed.
1 = Source signaling data as enabled by the SSIE1–4 registers.
0 = Allow the SSIE1–4 registers to determine which channels containing all zeros are to be bit 7 stuffed.
1 = Force bit 7 stuffing in all zero byte channels of that port, regardless of how the SSIE1–4 registers are
programmed.
0 = B8ZS disabled.
1 = B8ZS enabled.
0 = Transmit data normally.
1 = Transmit an unframed all-ones code at TTIPn and TRINGn.
0 = Do not transmit remote alarm.
1 = Transmit remote alarm.
TCR1
TJC
for E1 Mode.
7
0
TCR1 (T1 Mode)
Transmit Control Register 1
181h + (200h x (n - 1)) : where n = 1 to 8
TFPT
6
0
TCPT
5
0
205 of 286
TSSE
4
0
GB7S
3
0
DS26518 8-Port T1/E1/J1 Transceiver
TB8ZS
2
0
TAIS
1
0
TRAI
0
0
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