SC125 v1.0 Serial Card for Z50Bus

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STD SC125 v1.0 Serial Card for Z50Bus

License: Public Domain

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Update time： 2021-10-11 10:24:43

Creation time： 2019-04-17 20:49:41

Description

SC125 v1.0 (www.scc.me.uk) Serial card for Z50Bus Features: - Two asynchronous serial ports - Baud rate control - Timer Documentation at [www.scc.me.uk](http://www.scc.me.uk)

Design Drawing

schematic diagram

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SC125 v1.0 Serial Card for Z50Bus
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SC125 v1.0 Serial Card for Z50Bus
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BOM

BOM download Purchase Parts

ID	Name	Designator	Footprint	Quantity
1	100nF	C1,C2,C3,C4,C5,C6	CAP-RAD-2.54MM	6
2	Port A	P2	HDR-1X06-A-M-2.54MM	1
3	Port B	P3	HDR-1X06-A-M-2.54MM	1
4	100k	R12,R9,R11,R10	RES-0.3	4
5	2k2	R1,R2,R3,R4,R5,R6,R7,R8	RES-0.3	8
6	Power	JP1,JP2	HDR-1X02-A-M-2.54MM	2
7	Z80 SIO/2	U2	PDIP-40-0.6	1
8	10k	R13	RES-0.3	1
9	74HCT138	U1	PDIP-16	1
10	Z80 CTC	U4	PDIP-28-0.6	1
11	Z50Bus	P1	Z50BUS-HDR-2X25-A-M-2.54MM	1
12	RX	JP3	HDR-1X03-S-M-2.54MM	1
13	TX	JP4	HDR-1X03-S-M-2.54MM	1
14	SIO	JP5	HDR-1X03-S-M-2.54MM	1
15	CTC	JP6	HDR-1X03-S-M-2.54MM	1
16	1.8432 MHz	X1	OSC-08	1
17	74HCT08	U3	PDIP-14	1