source: rtems/c/src/libchip/serial/README.mc68681 @ 4f0ffa57

4.104.114.84.95
Last change on this file since 4f0ffa57 was ae21568c, checked in by Joel Sherrill <joel.sherrill@…>, on 06/23/98 at 17:40:00

New file describing mc68681 libchip driver.
  • Property mode set to 100644
File size: 763 bytes
Line 
1#
2#  $Id$
3#
4
5Configuration Table Use
6=======================
7
8pDeviceFlow
9
10   This field is ignored as hardware flow control is not currently supported.
11
12ulCtrlPort1
13
14   This field is the base address of the entire DUART.
15
16ulCtrlPort2
17
18   This field is the base address of the port specific registers.
19
20ulDataPort
21
22   This field is bit mapped as follows:
23     bit 0:  0 or 1 to indicate the A or B port on the DUART.
24     bit 1:  baud rate set a or b
25 
26
27   Note: If both ports on single DUART are not configured for the same
28         baud rate set, then unexpected results will occur.
29
30getRegister
31setRegister
32   These follow standard conventions.
33
34getData
35setData
36   These are unused since the TX and RX data registers can be accessed
37   as regular registers.
38
39
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