EZ80F910200ZCO Zilog, EZ80F910200ZCO Datasheet - Page 73

• Manufacturer Part Number: EZ80F910200ZCO
• Description: KIT DEV FOR EZ80F91 W/C-COMPILER
• Manufacturer: Zilog

Specifications of EZ80F910200ZCO

• Processor To Be Evaluated: eZ80F91
• Interface Type: Ethernet
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
• Other names: 269-3154; EZ80F910200ZCO

UM014220-0508
U15 Address Decoder
//wire nDIS_FL = (nFL_DIS) ? ~nEXP_EN : ~(nFL_DIS);
wire nDIS_FL = nFL_DIS & nEXP_EN; //if either of them
assign nCS_EX = (nEX_FL_DIS) ? nEXP_EN : ~(nEX_FL_DIS);
assign nL_RD =
~((nmemen1==0)|(nmemen2==0)|(nmemen3==0)|(nmemen4==0)|(nEM_EN=
=0)|(nCS_EX==0));
assign nmemen4 = ~((nCS2==0)&({A7,A6,A5,A4,A3}==5'h17));
assign nmemen3 = ~((nCS2==0)&({A7,A6,A5,A4,A3}==5'h16));
assign nmemen2 = ~((nCS2==0)&({A7,A6,A5,A4,A3}==5'h15));
assign nmemen1 = ~((nCS2==0)&({A7,A6,A5,A4,A3}==5'h14));
assign nEM_EN =
~((nCS2==0)&({A7,A6,A5,A4,A3,A2,A1,A0}==8'h80));
endmodule
`define
`define
`define
// FOR eZ80 Development Platform Rev B
// This PAL generates signals that control Expansion
// Module access, LED and Port A emulation
// This device is a GAL22LV10-5JC (5ns tpd) or
// equivalent with Package = 28 pin PLCC
//expansion module
//Flash enabled if this is 0
//is 0 Flash is
//disabled
anode
cathode 8'h01
latch
8'h00
8'h02
Appendix A—General Array Logic Equations
eZ80F91 Development Kit
User Manual
68