CMX869 View Datasheet(PDF) - CML Microsystems Plc
Part Name
Description
MFG CO.
'CMX869' PDF : 46 Pages View PDF
Low Power V.32 bis Modem
CMX869
6.7 Rx Data Register
Rx Data Register: 8 or 16-bit read-only.
C-BUS address $E5
This register may be set to operate in 8 or 16-bit mode by b6 of the Rx Mode Register. This setting
should not be changed once data reception has started.
1-character mode (Rx Mode Register b6 = 0).
Bit: 7 6 5 4 3 2 1 0
Received byte/character
2-character mode (Rx Mode Register b6 = 1).
Bit: 15 14 13 12 11 10 9
8
7
6
5
4
3
2
1
0
First received byte/character
Second received byte/character
In Synchronous and HDLC Rx data modes each byte contains 8 received data bits, b0 of the byte holding
the earliest received bit, b7 the latest.
In Rx Start-Stop modes each byte contains the specified number of data bits from a received character,
b0 of the byte holding the first received bit. Unused bits are set to 0.
© 2003 CML Microsystems Plc
29
D/869/1
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