SC131 v1.0 Z180 RomWBW CP/M computer

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STD SC131 v1.0 Z180 RomWBW CP/M computer

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Cloned from SC130 v1.0 Z180 Motherboard

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Update time： 2021-10-11 10:23:23

Creation time： 2020-01-03 21:33:48

Description

SC131 v1.0 (www.scc.me.uk) Pocket-sized Z180 RomWBW CP/M computer. Supports SD card for storage. Documentation at [www.scc.me.uk](https://smallcomputercentral.wordpress.com/)

Design Drawing

schematic diagram

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SC131 v1.0 Z180 SBC
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PCB

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SC131 v1.0 Z180 SBC
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PCB for Hammond 1593NBK
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SC131 Back panel v1.0
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SC131 Front panel v1.1A (Elite)
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SC131 Front panel v1.1B (0.018 GHz)
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SC131 Front panel v1.0
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BOM

BOM download Purchase Parts

ID	Name	Designator	Footprint	Quantity
1	DS1233-5+	U7	TO92 WIDE	1
2	Oscillator	X1	OSC-08	1
3	1k	R10,R11,R12	AXIAL-0.3	3
4	Z180 CPU	U4	PLCC68	1
5	100k	R7,R8,R9	RES-0.3	3
6	2k2	R1,R2,R3,R4,R5,R6	RES-0.3	6
7	Write Enable #1	JP1	HDR-1X03-S-M-2.54MM	1
8	Flash 512k	U1	PDIP-32-0.6	1
9	100nF	C1,C2,C3,C4,C5,C6	CAP-RAD-2.54MM	6
10	1nF	C8	CAP-RAD-2.54MM	1
11	100uF	C7	CAP-ELEC-RAD-2.54MM	1
12	Serial Port A	P3	HDR-1X06-S-M-2.54MM	1
13	HDR_1x06_S_M	P1	HDR-1X06-S-M-2.54MM	1
14	Serial Port B	P2	HDR-1X06-S-M-2.54MM	1
15	74HCT259	U5	PDIP-16	1
16	RAM 512k	U2	PDIP-32-0.6	1
17	Status	LED1	LED-3MM/2.54	1
18	Power	LED2	LED-3MM/2.54	1
19	Reset	LED3	LED-3MM/2.54	1
20	Power	JP2	HDR-1X02-S-M-2.54MM	1
21	RESET	SW1	TACTILE-PTH-SW-R/A	1
22	74AHCT139	U3	PDIP-16	1