From 8434120295aac533a05d274236b1506cc215705b Mon Sep 17 00:00:00 2001
From: Nao Pross <naopross@thearcway.org>
Date: Fri, 17 Mar 2017 16:19:01 +0100
Subject: hardware nearly finished

doc: added datasheets for
        - GAL16V8
        - MAX214
        - MAX232

     added script to build doc under windows with miktex
     updated notes

hw:  finished i/o devices and bus viewer
sw:  created files for pld programming
---
 sw/pld/address_decoder.PLD | 35 +++++++++++++++++++++++++++++++++++
 1 file changed, 35 insertions(+)
 create mode 100644 sw/pld/address_decoder.PLD

(limited to 'sw/pld/address_decoder.PLD')

diff --git a/sw/pld/address_decoder.PLD b/sw/pld/address_decoder.PLD
new file mode 100644
index 0000000..1cc9e22
--- /dev/null
+++ b/sw/pld/address_decoder.PLD
@@ -0,0 +1,35 @@
+Name     ADDRESS_DECODER ;
+PartNo   00 ;
+Date     17.03.2017 ;
+Revision 01 ;
+Designer Engineer ;
+Company  SAM Bellinzona ;
+Assembly None ;
+Location  ;
+Device   g16v8a;
+
+/* *************** INPUT PINS *********************/
+PIN  2 = A8  ;
+PIN  3 = A9  ;
+PIN  4 = A10 ;
+PIN  5 = A11 ;
+PIN  6 = A12 ;
+PIN  7 = A13 ;
+PIN  8 = A14 ;
+PIN  9 = A15 ;
+
+/* *************** OUTPUT PINS *********************/
+PIN 12 = CSROML ;
+PIN 13 = CSROMH ;
+PIN 14 = CSRAM  ;
+PIN 15 = CSUART ;
+PIN 16 = CSCTC  ;
+PIN 17 = CSPIO  ;
+
+CSRAM   = !A15 ;
+CSROML  = !(!A15 & !A14 & !A13) ;
+CSROMH  = !(!A15 & !A14 &  A13) ;
+CSUART  = !(!A15 & !A14 &  A13 & !A12 & !A11 & !A10 & !A9 & !A8) ;
+CSTIMER = !(!A15 & !A14 &  A13 & !A12 & !A11 & !A10 & !A9 &  A8) ;
+CSCTC   = !(!A15 & !A14 &  A13 & !A12 & !A11 & !A10 &  A9 & !A8) ;
+CSPIO   = !(!A15 & !A14 &  A13 & !A12 & !A11 & !A10 &  A9 &  A8) ;
-- 
cgit v1.2.1