參數(shù)資料
型號(hào): PSD311L
英文描述: Field Programmable Microcontroller Peripherals(可編程邏輯,16K位SRAM,19個(gè)可編程I/O,通用PLD有12個(gè)輸入)
中文描述: 現(xiàn)場(chǎng)可編程微控制器外圍設(shè)備(可編程邏輯,16K的位的SRAM,19余個(gè)可編程輸入/輸出,通用PLD的有12個(gè)輸入)
文件頁(yè)數(shù): 10/18頁(yè)
文件大?。?/td> 179K
代理商: PSD311L
PSD3XX – Application Note 020
1-182
module appnt20a
title ‘a(chǎn)ppnt20a’
ready_, bwidth_, cs2, cs3, cs0_, cs1_, cs2_, cs3_ pin 11, 10, 9, 8,
7, 6, 5, 4;
a16, a17, inst, csi pin 40, 41, 42, 43;
a15, a14, a13, a12, a11 pin 39, 38, 37, 36, 35;
ale, wr, rd pin 13, 2, 22;
es0, es1, es2, es3, es4, es5, es6, es7, rs0, csiop node 140, 141,
142, 143, 144, 145, 146, 147, 124, 125;
p0, p1, p2, p3 node 110, 111, 112, 113;
equations
“ address map equations
“ inst = a18
es0
es1
es2
es3
es4
es5
es6
es7
rs0
csiop = !inst & !a15 & a14 & !a13 & a12 & !a11;
= !inst & !a15 & !a14 & !a13;
= !a15 & !a14 & a13;
=
inst & !a15 & a14 & !a13;
=
inst & !a15 & a14 & a13;
=
inst & a15 & !a14 & !a13;
=
inst & a15 & !a14 & a13;
=
inst & a15 & a14 & !a13;
=
inst & a15 & a14 & a13;
= !inst & !a15 & a14 & !a13 & !a12 & !a11;
“ port b chip select equations
!ready_ = !inst & !a15 & a14 & a13 & !a12 & !ale #
!inst & !a15 & a14 & a13 & a12 & !ale #
!inst & a15 & !a14 & !a13 & !a12 & !ale #
!inst & a15 & !a14 & !a13 & a12 & !ale;
!bwidth_ = 1;
!cs2 = 1;
!cs3 = 1;
!cs0_ = 1;
!cs1_ = 1;
!cs2_ = 1;
!cs3_ = 1;
end appnt20a
Figure 4B.
PSDabel Source
File
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