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Std edition SC132 v1.0 Z80 SIO/0 for RC2014

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License: Public Domain

Project source: Cloned from SC104 v1.0 Z80 SIO/2 for RC2014

Published Time: 2021-10-11 18:24:21
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Description

SC132 v1.0 (www.scc.me.uk)

Z80 Serial Input/Output (SIO/0) module for RC2014

Features:

  • Full Z80 mode 2 interrupt support (IEI/IEO daisy-chain)
  • Compatibility option for both register orders used by RC2014
  • Two TTL serial ports for use with FTDI serial adpter cables
  • Source of bus clock (option) to potentially reduce board count
  • On-board clock option to make it independent of the CPU clock
  • Baud rate controllable in software when used with SC102 Z80 CTC

Documentation at www.scc.me.uk

design drawing
schematic diagram
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PCB
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ID Name Designator Footprint Quantity
1 INTEN P4 HDR-1X02-A-M-2.54MM 1
2 Address JP11 HDR-1X03-S-M-2.54MM 1
3 100k R12,R9,R11,R10 RES-0.3 4
4 2k2 R1,R2,R3,R4,R5,R6,R7,R8 RES-0.3 8
5 10k R13 RES-0.3 1
6 74HCT138 U1 PDIP-16 1
7 100nF C1,C2,C3,C4,C5,C6 CAP-RAD-2.54MM 6
8 CLKA JP5 HDR-2X03-S-M-2.54MM 1
9 CLKB JP6 HDR-2X03-S-M-2.54MM 1
10 RC2014 BUS P1A HDR-1X20-S-M-2.54MM 1
11 CLKX X1 PDIP-08/14 1
12 Z80 SIO/0 U2 PDIP-40-0.6 1
13 PwrA JP3 HDR-1X02-S-M-2.54MM 1
14 PwrB JP4 HDR-1X02-S-M-2.54MM 1
15 Port A P2 HDR-1X06-A-M-2.54MM 1
16 Port B P3 HDR-1X06-A-M-2.54MM 1
17 IEI JP1 HDR-1X02-S-M-2.54MM 1
18 IEO JP2 HDR-1X02-S-M-2.54MM 1
19 TX JP7 HDR-1X02-S-M-2.54MM 1
20 RX JP8 HDR-1X02-S-M-2.54MM 1
21 TX2 JP9 HDR-1X02-S-M-2.54MM 1
22 RX2 JP10 HDR-1X02-S-M-2.54MM 1
23 RC2014 BUS P1 HDR-1X39-A-M-R-2.54MM 1
24 74HCT04 U3 PDIP-14 1

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