CN8330 Datasheet, PDF (72/101 Pages) Conexant Systems, Inc – DS3/E3 Framer with 52 Mbps HDLC Controller

3.0 Registers
3.3 Memory Registers
CN8330
DS3/E3 Framer with 52 Mbps HDLC Controller
3.3 Memory Registers
0x30–0x37—Transmit Terminal Data Link Message Buffer (TxTDL)
The Transmit Terminal Data Link Message Buffer locations are loaded with the message bytes to be sent on the
terminal data link in response to the Transmit Terminal Data Link Interrupt.
7
TxTDL[7]
6
TxTDL[6]
5
TxTDL[5]
4
TxTDL[4]
3
TxTDL[3]
2
TxTDL[2]
1
TxTDL[1]
0
TxTDL[0]
0x40–0x47—Receive Terminal Data Link Message Buffer (RxTDL)
The Receive Terminal Data Link Message Buffer contains the message bytes received on the terminal data link.
The Receive Terminal Data Link Interrupt indicates the presence of data in the receive buffer.
7
RxTDL[7]
6
RxTDL[6]
5
RxTDL[5]
4
RxTDL[4]
3
RxTDL[3]
2
RxTDL[2]
1
RxTDL[1]
0
RxTDL[0]
3-14
Conexant
100441E