karabas-megabuzz
andykarpov
A minimalistic FPGA soundcard for ZX Spectrum
Components (35)
| Reference | Value | Description |
|---|---|---|
| U1 | XC6SLX25-FTG256 | |
| U2 | W25Q128JVS | |
| U3,U4,U19 | 74AHCT1G125DB | |
| U5-U8 | SN74CB3T3245PW | Octal BUS Transceivers, 3-State outputs |
| U9 | SN74LV1T34DBV | Single Power Supply, Single Buffer GATE, CMOS Logic, Level Shifter, SOT-23-5 |
| U10 | YMF262-M | |
| U11 | SAM2695 | |
| U12 | PCM5102A | |
| U13 | PCM1808PWR | 24-bit, 99-dB SNR, 96-kHz stereo ADC with single-ended inputs |
| U14 | CY62167EV30LL | |
| U15,U16 | 1117-3.3 | |
| U17 | 1117-1.2 | |
| BTN1 | RST | |
| BTN2 | NMI | |
| C1-C16,C18,C22-C24,C28,C33,C38,C40,C41,C44-C47,C49,C50,C55-C57 | 100n | |
| C17,C19-C21,C27,C31,C32,C36,C43,C51,C53 | 10u | |
| C25,C30,C34,C35 | 2u2 | |
| C26,C29,C37,C39 | 2n2 | |
| C42 | 100u/16V | |
| C48,C52,C54 | 22u | |
| D1,D9 | BLUE | Light emitting diode |
| D2-D5,D10-D13 | GREEN | Light emitting diode |
| D6,D7,D14,D15 | YELLOW | Light emitting diode |
| D8,D16,D17 | RED | Light emitting diode |
| D18 | 1N4148W | 75V 0.15A Fast Switching Diode, SOD-123 |
| J3 | uSD card | |
| J4 | PJ307 | |
| L1 | 1uH | Inductor with ferrite core, small symbol |
| R1,R16-R19,R25,R28,R29,R53 | 27 | |
| R2-R12,R14,R15,R49-R51 | 10k | |
| R13 | 47k | |
| R20,R21,R24,R33-R48,R52 | 1k | |
| R22,R23,R26,R27 | 470 | |
| R30 | 0 | |
| X1 | 50 MHz |