Editor Version ×
Standard

1.Easy to use and quick to get started

2.The process supports design scales of 300 devices or 1000 pads

3.Supports simple circuit simulation

4.For students, teachers, creators

Profession

1.Brand new interactions and interfaces

2.Smooth support for design sizes of over 30,000 devices or 100,000 pads

3.More rigorous design constraints, more standardized processes

4.For enterprises, more professional users

Std edition Z80Ardu Optimized

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License: Public Domain

Published Time: 2022-08-19 20:08:40
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Description

Z80 Homebrew Computer managed by Atmega 328.

With Keyboard-Interface SD-Card for Boot-Process EEPROM for OS (programmable from Atmega328-side)

design drawing
schematic diagram
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PCB
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ID Name Designator Footprint Quantity
1 100nF C1,C2,C3,C7 RAD-0.1 4
2 22pF C5,C8 RAD-0.1 2
3 Quarzoszillator F1 DIP-14 1
4 HDR-F-2.54_1x16 H1 HDR-F-2.54_1X16 1
5 Header-Female-2.54_1x4 KEYBOARD1 HDR-4X1/2.54 1
6 Header-Male-2.54-1X40PY P1 HDR-2.54-1X40PY 1
7 TX/RX P2,P6 HDR-3X1/2.54 2
8 Reset Z80 P3 HDR-2X1/2.54 1
9 Reset Atmega P4 HDR-2X1/2.54 1
10 SD-Card P5 HDR-6X1/2.54 1
11 10k R1 AXIAL-0.3 1
12 2,2k R2 AXIAL-0.3 1
13 470 R3,R4,R5 AXIAL-0.3 3
14 4k7 R6 AXIAL-0.3 1
15 4K7 R7 AXIAL-0.3 1
16 2K2 R8 AXIAL-0.3 1
17 10K R9,R10 AXIAL-0.4 2
18 ATMEGA328P_PDIP U1 DIP28-300 1
19 AT24C256C-PU U2 DIP-8 1
20 HD74HCT573P U3,U4 DIP20 2
21 Z80CPU-F U5 DIP40 1
22 UM61512-15 U6 DIP32-300 1
23 74HCT138N U10,U13 DIP16 2
24 74HCT595N U11 DIP16-2.54-20.32X5.84MM 1
25 ATMEGA8P_PDIP U12 DIP28-300 1
26 16 MHz Y1 HC49US 1
27 74LS32 U7 DIP14 1
28 74LS08 U8 DIP14 1
29 74LS04 U9 DIP14 1

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