CDB5378 datasheet(24/72 Pages) CIRRUS

24 / 72 page

CDB5378

DS639DB3

Figure 3. CPLD Default Signal Assignments

///////////////////////////////////////////////////////////////////////////

// MODULE:

CDB5378 top module

// FILE NAME:

Top module for connecting CS5378 to C8051F320

// VERSION:

1.0

// DATE:

February 1, 2006

// COPYRIGHT:

Cirrus Logic, Inc.

// CODE TYPE:

// DESCRIPTION: This module includes assignments for signals between

the serial port of CS5378 and the SLAB micro.

///////////////////////////////////////////////////////////////////////////

module cdb5378(

sck_mc,

// 5 I serial clock from printer port

miso_mc,

// 6 O serial output

mosi_mc,

// 7 I serial input

ssz_mc,

// 8 I slave select (active low)

drdyz_mc,

// 9 O data ready (active low)

sck,

// 61 O serial clock

miso,

// 60 I serial output

mosi,

// 58 O serial input

ssz,

// 57 O slave select (active low)

drdyz,

// 56 I data ready (active low)

sync_pb,

// 94 I pushbutton sync

sync_mc,

// 13 I sync from micro

sync,

// 53 O sync to CS5378

timeb_pb,

// 93 I pushbutton timebreak

timeb_mc,

// 14 I timebreak from micro

timeb,

// 52 O timebreak to CS5378

cpld0_mc,

// 16 I reset from micro

reset_cpld

// 1 O reset to CS5378

);

//////////////////

// input signals

//////////////////

input sck_mc, mosi_mc, ssz_mc;

input miso, drdyz;

input sync_pb, sync_mc;

input timeb_pb, timeb_mc;

input cpld0_mc;

//////////////////

//output signals

//////////////////

output miso_mc, drdyz_mc;

output sck, mosi, ssz;

output sync, timeb;

output reset_cpld;

///////////////////////

// signal assignments

///////////////////////

assign sck = sck_mc;

assign miso_mc = miso;

assign mosi = mosi_mc;

assign ssz = ssz_mc;

assign drdyz_mc = drdyz;

assign reset_cpld = cpld0_mc;

assign sync = sync_pb | sync_mc;

assign timeb = timeb_pb | timeb_mc;

endmodule

CDB5378 Datasheet(PDF) 24 Page - Cirrus Logic

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