AP522 ACROPACK
USER
’S MANUAL
Acromag, Inc. Tel: 248-295-0310
- 43 - http://www.acromag.com
- 43 -
www.acromag.com
0101
5
0110
6
0111
7
1000
8
1001
9
1010
10
1011
11
1100
12
1101
13
1110
14
1111
15
MSR[3:0]
Table 3.20 MSR[3:0]
MSR
Bit
FUNCTION
PROGRAMMING
0
Receiver
Disable
Modes
This is only applicable when MSR[2] = 1.
0 = All RX data and Xon/Xoff flow control
characters are ignored.
1 = All RX data is ignored. Xon/xoff flow control
characters are detected and acted upon.
1
Transmitter
Disable
Modes
This bit is only applicable when MSR[3] = 1.
0 = No Xon/Xoff software flow control characters
will be transmitted when the transmitter is
disabled. If there is a pending xon/xoff character
to be sent while the transmitter is disabled, it will
be transmitted. No additional xon/xoff characters
will be sent.
1 = Xon/xoff software flow control characters will
be transmitted even though the transmitter is
disabled.
2
Receiver
Disable
0 = Enable Receiver (default).
1 = Disable Receiver