Jump to content
Electronics-Lab.com Community
Sign in to follow this  
leedude

BBC Micro User Port pinout

Recommended Posts

BBC Micro User parallel Port pinout
Search Results

http://64.233.167.104/search?q=cache:6oS1QMzr0EMJ:gja.space4me.com/things/Recovering_My_BBC_Micro.html+BBC+Micro+User+parallel+Port+pinout&hl=en&ct=clnk&cd=5&gl=us&ie=UTF-8

Pin   Pin
(9 P) (25 P)    PC                              BBC           Pin
----- ------    --                              ---           ---
5     7        0V (Ground)                     Gnd (Ground)   1
2     3        RxD (Data in)   --------------  TD (Data out)  2
3     2        TxD (Data out)  --------------  RD (Data in)   3
1     8        DCD             ---+----------  RTS            5
6     6        DSR             ---+
4     20       DTR             --------------  CTS            4
7     4        RTS             ---+
8     5        CTS             ---+

(The +'s mean that locally on the PC DSR has to be connected to DCD and that RTS has to be connected to CTS.)


Pin numbering
-------------

PC:                                           BBC:
9-pin D-type       or: 25-pin D-type          5-pin Domino DIN-plug
                                              (male)
_____________      ______________                         _____
\ 1 2 3 4 5 /             \ 1  2 .  .  .  . . 13 /                       /            \
\ 6 7 8 9 /                 \ 14 15 .  .  .  25 /                    /    5     3  \
  ---------                     -------------------                     |         1       |
                                                                                 \    4     2  /
                                                                                    \            /
                                                                                        -----

The views of these figures are all from the outside (the backs of the computers) into the sockets,
i.e. they show the wiring sides of the plugs.

Here is another one

http://www.rtrussell.e7even.com/products/bbcwin/manual/bbcwinf.html

BBC Micro   PC   
DIN Plug   D25 Socket  D9 Socket   
pin A <

Share this post


Link to post
Share on other sites

Join the conversation

You can post now and register later. If you have an account, sign in now to post with your account.

Guest
Reply to this topic...

×   Pasted as rich text.   Paste as plain text instead

  Only 75 emoji are allowed.

×   Your link has been automatically embedded.   Display as a link instead

×   Your previous content has been restored.   Clear editor

×   You cannot paste images directly. Upload or insert images from URL.

Loading...
Sign in to follow this  

×
×
  • Create New...