Datasheet

DS26518 8-Port T1/E1/J1 Transceiver
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Register Name:
TBPCS1, TBPCS2, TBPCS3, TBPCS4
Register Description:
Transmit BERT Port Channel Select Registers
Register Address:
1D4h, 1D5h, 1D6h, 1D7h + (200h x (n - 1)) : where n = 1 to 8
(MSB) (LSB)
Bit # 7 6 5 4 3 2 1 0
Name CH8 CH7 CH6 CH5 CH4 CH3 CH2 CH1
TBPCS1
CH16 CH15 CH14 CH13 CH12 CH11 CH10 CH9
TBPCS2
CH24 CH23 CH22 CH21 CH20 CH19 CH18 CH17
TBPCS3
CH32 CH31 CH30 CH29 CH28 CH27 CH26 CH25
TBPCS4
(E1 Mode
Only)
Setting any of the CH[1:32] bits in the TBPCS1 to TBPCS4 registers will enable the transmit BERT clock for the
associated channel time, and allow mapping of the selected channel data out of the receive BERT port. Multiple or
all channels may be selected simultaneously.
Register Name:
THCS1, THCS2, THCS3, THCS4
Register Description:
Transmit HDLC-256 Channel Select Registers 1 to 4
Register Address:
1DCh, 1DDh, 1DEh, 1DFh + (200h x (n - 1)) : where n = 1 to 8
(MSB) (LSB)
Bit # 7 6 5 4 3 2 1 0
Name CH8 CH7 CH6 CH5 CH4 CH3 CH2 CH1
THCS1
CH16 CH15 CH14 CH13 CH12 CH11 CH10 CH9
THCS2
CH24 CH23 CH22 CH21 CH20 CH19 CH18 CH17
THCS3
CH32 CH31 CH30 CH29 CH28 CH27 CH26 CH25
THCS4
(E1 Mode
Only)
Setting any of the CH[1:32] bits in the THCS1 to THCS4 registers will enable the transmit HDLC-256 clock for the
associated channel time, and allow mapping of the selected channel data out of the HDLC-256 FIFO. Multiple or all
channels may be selected simultaneously.