Maxim DS21Q55 Marine Radio User Manual


 
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22.3.5 HDLC FIFOS
Register Name: H1TF, 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 0/Transmit HDLC Data Bit 0 (THD0). LSB of a HDLC packet data byte.
Bit 1/Transmit HDLC Data Bit 1 (THD1).
Bit 2/Transmit HDLC Data Bit 2 (THD2).
Bit 3/Transmit HDLC Data Bit 3 (THD3).
Bit 4/Transmit HDLC Data Bit 4 (THD4).
Bit 5/Transmit HDLC Data Bit 5 (THD5).
Bit 6/Transmit HDLC Data Bit 6 (THD6).
Bit 7/Transmit HDLC Data Bit 7 (THD7). MSB of a HDLC packet data byte.
Register Name: H1RF, 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 0/Receive HDLC Data Bit 0 (RHD0). LSB of a HDLC packet data byte.
Bit 1/Receive HDLC Data Bit 1 (RHD1).
Bit 2/Receive HDLC Data Bit 2 (RHD2).
Bit 3/Receive HDLC Data Bit 3 (RHD3).
Bit 4/Receive HDLC Data Bit 4 (RHD4).
Bit 5/Receive HDLC Data Bit 5 (RHD5).
Bit 6/Receive HDLC Data Bit 6 (RHD6).
Bit 7/Receive HDLC Data Bit 7 (RHD7). MSB of a HDLC packet data byte.