Datasheet
DS26521 Single T1/E1/J1 Transceiver
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Register Name:
T1TCD1 (T1 Mode Only)
Register Description:
Transmit Code Definition Register 1
Register Address:
1ACh
Bit # 7 6 5 4 3 2 1 0
Name C7 C6 C5 C4 C3 C2 C1 C0
Default 0 0 0 0 0 0 0 0
Bit 7: Transmit Code Definition Bit 7 (C7). First bit of the repeating pattern.
Bit 6: Transmit Code Definition Bit 6 (C6).
Bit 5: Transmit Code Definition Bit 5 (C5).
Bit 4: Transmit Code Definition Bit 4 (C4).
Bit 3: Transmit Code Definition Bit 3 (C3).
Bit 2: Transmit Code Definition Bit 2 (C2). A Don’t Care if a 5-bit length is selected.
Bit 1: Transmit Code Definition Bit 1 (C1). A Don’t Care if a 5- or 6-bit length is selected.
Bit 0: Transmit Code Definition Bit 0 (C0). A Don’t Care if a 5-, 6-, or 7-bit length is selected.
Register Name:
T1TCD2 (T1 Mode Only)
Register Description:
Transmit Code Definition Register 2
Register Address:
1ADh
Bit # 7 6 5 4 3 2 1 0
Name C7 C6 C5 C4 C3 C2 C1 C0
Default 0 0 0 0 0 0 0 0
Bit 7: Transmit Code Definition Bit 7 (C7). A Don’t Care if a 5-, 6-, or 7-bit length is selected.
Bit 6: Transmit Code Definition Bit 6 (C6). A Don’t Care if a 5-, 6-, or 7-bit length is selected.
Bit 5: Transmit Code Definition Bit 5 (C5). A Don’t Care if a 5-, 6-, or 7-bit length is selected.
Bit 4: Transmit Code Definition Bit 4 (C4). A Don’t Care if a 5-, 6-, or 7-bit length is selected.
Bit 3: Transmit Code Definition Bit 3 (C3). A Don’t Care if a 5-, 6-, or 7-bit length is selected.
Bit 2: Transmit Code Definition Bit 2 (C2). A Don’t Care if a 5-, 6-, or 7-bit length is selected.
Bit 1: Transmit Code Definition Bit 1 (C1). A Don’t Care if a 5-, 6-, or 7-bit length is selected.
Bit 0: Transmit Code Definition Bit 0 (C0). A Don’t Care if a 5-, 6-, or 7-bit length is selected.










