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DS33R11 Ethernet Mapper with Integrated T1/E1/J1 Transceiver
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Register Name:
TR.H1TF, TR.H2TF
Register Description:
HDLC # 1 Transmit FIFO
HDLC # 2 Transmit FIFO
Register Address:
9Dh, ADh
Bit # 7 6 5 4 3 2 1 0
Name THD7 THD6 THD5 THD4 THD3 THD2 THD1 THD0
Default 0 0 0 0 0 0 0 0
Bit 7: Transmit HDLC Data Bit 7 (THD7). MSB of an HDLC packet data byte.
Bit 6: Transmit HDLC Data Bit 6 (THD6)
Bit 5: Transmit HDLC Data Bit 5 (THD5)
Bit 4: Transmit HDLC Data Bit 4 (THD4)
Bit 3: Transmit HDLC Data Bit 3 (THD3)
Bit 2: Transmit HDLC Data Bit 2 (THD2)
Bit 1: Transmit HDLC Data Bit 1 (THD1)
Bit 0: Transmit HDLC Data Bit 0 (THD0). LSB of an HDLC packet data byte.
Register Name:
TR.H1RF, TR.H2RF
Register Description:
HDLC # 1 Receive FIFO
HDLC # 2 Receive FIFO
Register Address:
9Eh, AEh
Bit # 7 6 5 4 3 2 1 0
Name RHD7 RHD6 RHD5 RHD4 RHD3 RHD2 RHD1 RHD0
Default 0 0 0 0 0 0 0 0
Bit 7: Receive HDLC Data Bit 7 (RHD7). MSB of an HDLC packet data byte.
Bit 6: Receive HDLC Data Bit 6 (RHD6)
Bit 5: Receive HDLC Data Bit 5 (RHD5)
Bit 4: Receive HDLC Data Bit 4 (RHD4)
Bit 3: Receive HDLC Data Bit 3 (RHD3)
Bit 2: Receive HDLC Data Bit 2 (RHD2)
Bit 1: Receive HDLC Data Bit 1 (RHD1)
Bit 0: Receive HDLC Data Bit 0 (RHD0). LSB of an HDLC packet data byte.