diff options
author | Joel Sherrill <joel.sherrill@OARcorp.com> | 1998-07-18 15:34:03 +0000 |
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committer | Joel Sherrill <joel.sherrill@OARcorp.com> | 1998-07-18 15:34:03 +0000 |
commit | cc3d33ac9b4b73b03efb5774512822ac5c9ca1a1 (patch) | |
tree | 3c2f3c1c72b2cc118916630d3d28feed6780310f /c | |
parent | Added background and setup to add section on RS-422. (diff) | |
download | rtems-cc3d33ac9b4b73b03efb5774512822ac5c9ca1a1.tar.bz2 |
Added information on the MC68681.
Diffstat (limited to 'c')
-rw-r--r-- | c/src/lib/libbsp/powerpc/dmv177/cable.doc | 14 |
1 files changed, 12 insertions, 2 deletions
diff --git a/c/src/lib/libbsp/powerpc/dmv177/cable.doc b/c/src/lib/libbsp/powerpc/dmv177/cable.doc index 21215d3ad5..1c958d696a 100644 --- a/c/src/lib/libbsp/powerpc/dmv177/cable.doc +++ b/c/src/lib/libbsp/powerpc/dmv177/cable.doc @@ -12,6 +12,18 @@ cables which were plugged into DB-25 or DB-9 adapters wired as described. Matching the colors of the wires in the shell is the easiest way to make sure the cable is built properly. +The board is configured as follows: + + - An MC68681 is the first two serial ports. These are RS-232 and may + be accessed via the front panel or the P2. The front panel connector + has both A and B serial ports on a single connector. DY-4 part number + "OBYC3ASSY901132-000 Rev-" brings these ports out to two DB-25 + female connectors. + + - The MC68681 serial ports are also accessible on the P2 connector. + DY-4 part number "OBYC3ASSY901080-004 Rev A" brings these out + to DB-9 female connectors. These were not used in this effort. + References ========== @@ -19,8 +31,6 @@ References - http://ahmed.egypt.com/electronics/serial - DY-4 Documentation - - Front Panel RS-232 Connection to a PC ===================================== |