rvfs-cpu
awm
RISC-V from scratch CPU design
Components (55)
| Reference | Value | Description |
|---|---|---|
| Q1-Q3 | MMBT3904 | 0.2A Ic, 40V Vce, Small Signal NPN Transistor, SOT-23 |
| U1 | USBLC6-2SC6 | Very low capacitance ESD protection diode, 2 data-line, SOT-23-6 |
| U2 | UTC2000/MG | |
| U3 | NCP360SN | USB Positive Overvoltage Protection Controller with Internal PMOS FET and Overcurrent Protection, TSOP-5 |
| U4 | SC189BULTRT | |
| U5 | TPS62132 | 3A Step-Down Converter with DCS-Control, Fixed 3.3V Output Voltage, 3-17V Input Voltage, QFN-16 |
| U6 | Si5351A-B-GT | I2C Programmable Any-Frequency CMOS Clock Generator, MSOP-8 |
| U7 | 74VHCV07FT | |
| U8-U12 | PL133-97QC-R | |
| C1,C8,C10-C12,C15-C24 | 0.1 µF | Unpolarized capacitor,Unpolarized capacitor, small symbol |
| C2,C3,C13 | 1 µF | Unpolarized capacitor |
| C4,C7,C14 | 10 µF | Unpolarized capacitor |
| C5,C9 | 22 µF | Unpolarized capacitor |
| C6 | 3.3 nF | Unpolarized capacitor |
| D1 | Red | Light emitting diode, filled shape |
| D2 | 1N4148W | Diode, filled shape |
| D3-D5 | Green | Light emitting diode, filled shape |
| J1 | USB-C | |
| J2 | I2C | Generic connector, double row, 02x06, odd/even pin numbering scheme (row 1 odd numbers, row 2 even numbers), script generated (kicad-library-utils/schlib/autogen/connector/) |
| J3 | UART | Generic connector, single row, 01x02, script generated (kicad-library-utils/schlib/autogen/connector/) |
| J4-J13 | CPU | |
| J14-J19 | Peripheral | |
| J20 | Control | Generic connector, double row, 02x13, odd/even pin numbering scheme (row 1 odd numbers, row 2 even numbers), script generated (kicad-library-utils/schlib/autogen/connector/) |
| J21,J22 | Bus | |
| L1,L2 | 2.2 µH | Inductor |
| R1,R2,R5,R16,R17,R20-R22,R25,R26,R28 | 5.1 kΩ | Resistor |
| R3,R4,R7-R10,R12-R14 | 10 kΩ | Resistor |
| R6 | 35.7 kΩ | Resistor |
| R11 | 510 Ω | Resistor |
| R15 | 100 kΩ | Resistor |
| R18,R19 | 20 kΩ | Resistor |
| R23,R24,R27 | 330 Ω | Resistor |
| RN1-RN5 | 33 Ω | 8 resistor network, parallel topology |
| SW1 | Reset | Push button switch, generic, two pins |
| TP1 | +1V1 | test point |
| TP2 | +3V3 | test point |
| TP3 | PG | test point |
| TP4 | VBUS | test point |
| TP5 | ~{OCS} | test point |
| TP6 | VMON | test point |
| TP8 | ~{3.0A} | test point |
| TP9 | ~{1.5A} | test point |
| TP10 | ~{0.5A} | test point |
| TP11 | FAULT | test point |
| TP12 | ~{CONN} | test point |
| TP13 | VSUP | test point |
| TP14-TP17 | GND | test point |
| TP18 | CLK1 | test point |
| TP19 | CLK8 | test point |
| TP20 | CLK12 | test point |
| TP21 | MCLK | test point |
| TP22 | RCLK | test point |
| TP23 | ~{MRST} | test point |
| TP24 | ~{CRST} | test point |
| Y1 | 27 MHz | Four pin crystal, GND on pins 2 and 4 |