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Std edition SC110 v1.1 SIO/2+CTC for RC2014

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License: Public Domain

Published Time: 2021-06-06 20:06:44
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Description

SC110 v1.1 (www.scc.me.uk)

Combined Z80 Serial Input/Output (SIO/2) and Z80 Counter/Timer (CTC) module for RC2014

Features:

  • Full Z80 mode 2 interrupt support (IEI/IEO daisy-chain)
  • Two TTL serial ports for use with FTDI serial adpter cables
  • Four counter/timer channels
  • Source of bus clock (option) to potentially reduce board count
  • Serial port B baud rate controllable in software
  • Option to generate mode 2 interrupts for non-Z80 devices

Documentation at www.scc.me.uk

design drawing
schematic diagram
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PCB
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ID Name Designator Footprint Quantity Mounted
1 100nF C1,C2,C3,C4,C5 CAP-RAD-2.54MM 5 Yes
2 INTEN P4 HDR-1X02-A-M-2.54MM OLD 1 Yes
3 Port A P2 HDR-1X06-A-M-2.54MM 1 Yes C66509
4 Port B P3 HDR-1X06-A-M-2.54MM 1 Yes C66509
5 100k R12,R9,R11,R10 RES-0.3 4 Yes
6 2k2 R1,R2,R3,R4,R5,R6,R7,R8 RES-0.3 8 Yes
7 PwrA JP3 HDR-1X02-S-M-2.54MM 1 Yes
8 PwrB JP4 HDR-1X02-S-M-2.54MM 1 Yes
9 Z80 SIO/2 U2 PDIP-40-0.6 1 Yes
10 JP_IEI JP1 HDR-1X02-S-M-2.54MM 1 Yes
11 JP_IEO JP2 HDR-1X02-S-M-2.54MM 1 Yes
12 RC2014 BUS P1 HDR-1X39-A-M-R-2.54MM 1 Yes
13 7.3728MHz X1 OSC-08 1 Yes 774-MXO45HS-3C-7.3
14 10k R13,R14,R15 RES-0.3 3 Yes
15 74HCT138 U1 PDIP-16 1 Yes 595-SN74HCT138N
16 Z80 CTC U4 PDIP-28-0.6 1 Yes
17 JP_CT3 JP5 HDR-1X02-S-M-2.54MM 1 Yes
18 CT0 P5 HDR-1X03-A-M-2.54MM 1 Yes
19 RC2014 Male 23 P6 HDR-1X23-S-M-2.54MM 1 Yes
20 JP_CT0 JP6 HDR-1X02-S-M-2.54MM 1 Yes
21 74HCT04 U3 PDIP-14 1 Yes

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