This is a COM20020-based network controller board designed for the RC2014 microcomputer system. The module has been prepared for operation in the CP/Net local area network.
| Component type | Reference | Description | Quantity |
|---|---|---|---|
| PCB | Network Controller PCB - Version 1.1 | 1 | |
| Integrated Circuit | U1 | COM20020ILJP - Arcnet Controller,28 pin PLCC | 1 |
| Integrated Circuit | U2 | SN75176 - Bus Transceiver, 8 pin DIP | 1 |
| Integrated Circuit | U3 | 74HCT138 - 3-to-8 line decoder, 16 pin DIP | 1 |
| Crystal | Q1 | 20 MHz, Crystal Oscillator, HC-49S | 1 |
| Diode TVS | D1 - D3 | SD05C , SOT323 | 3 |
| Pin Header | J1 | 40 pin header, 2.54 mm pitch, angle | 1 |
| Connector Contacts | J2, J3 | 3 pin header, WF-03R 2.54 mm pitch, angle | 1 |
| Capacitor | C1, C2 | 27 pF, ceramic, 5 mm pitch | 2 |
| Capacitor | C3 - C6 | 0.1 uF, 50V, MLCC, 5 mm pitch | 4 |
| Resistor | R1 | 10 kohm, 0.25 W, axial | 1 |
| Resistor | R2 | 120 ohm, 0.25 W, axial | 1 |
| Resistor | R3, R4, R7 | 10 ohm, 0.25 W, axial | 3 |
| Resistor | R5, R5 | 47 kohm, 0.25 W, axial | 2 |
| IC Socket | U1 | 28 pin PLCC, through hole | 1 |
| IC Socket | U2 | 8 pin DIP | 1 |
| IC Socket | U5 | 16 pin DIP | 1 |
| Jumper | JP1 | Shunt, 2x8 pin 2.54 mm pitch | 1 |
| Jumper | JP2 | Shunt, 3 pin 2.54 mm pitch | 1 |
| Jumper | JP3 - JP5 | Shunt, 2 pin 2.54 mm pitch | 3 |
Copyright 2021 Tadeusz Pycio
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