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bbc z80
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BBC Z80 cpm

3 years ago 1398
  • Description
  • Documents
  • BOM
  • Attachments
  • Members
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Description

Z80 MiniTube is a Z80 secondary CPU card for BBC micro machines. It is a minimalist version of the Tube with it own Tube code. The Z80 version has up-to 512K RAM and can run any CP/M program version 2.X and 3.X. BIOS, BDOS and CCP can be loaded from ROM or disks. It support the same disk systems that the BBC micro. The graphic library GSX has been added for programs that support this.

Documents

Z80 BBC

Z80small

Z80 cpm

BOM

ID Name Designator Footprint Quantity Manufacturer Part Manufacturer Supplier Supplier Part Price LCSC Assembly Mounted
1 Z80CPU U2 DIP40 1 Z84C0020PEG Yes
2 74139 U10 DIP16 1 Yes
3 74374-2-Z80 U9 DIP20 1 Yes
4 74374 U11 DIP20 1 Yes
5 7474-2-INT U1 DIP14 1 Yes
6 7474-2-BUSY U3 DIP14 1 Yes
7 74125 U4,U13 DIP14 2 Yes
8 AT29C256 U5 DIP28-600 1 AT29C256 Yes
9 1u C1,C2,C3,C4,C5,C6,C7,C8,C9 C1 9 Yes
10 7408 U8 DIP14 1 Yes
11 10k R1,R2,R3,R6,R7,R10 R3 6 Yes
12 74174 U12 DIP16 1 Yes
13 7402 U7 DIP14 1 74HCT02N Yes
14 INTZ80 JP2 1X02 1 Yes
15 INT6502 JP3 1X02 1 Yes
16 CNF1 JP4 1X02 1 Yes
17 CNF2 JP5 1X02 1 Yes
18 LED LED1,LED2,LED3,LED4 LED3MM 4 Yes
19 09 18 140 9621 P2 9181409621 1 Yes
20 330 R4,R5,R8,R9 R3 4 Yes
21 8DIP_Oscillator U14 DIP8 1 Yes
22 AS6C4008 U15 DIP32 1 AS6C4008 Yes
23 For probe GND 1X02 1 Yes

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