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Schaltplan eines Pico-Board-MAX ROM-Simulators
1u R21 10k R20 330 R23 10k R22 10k R24 3k Q1 BC807 Q2 BC807 IC4A 74LVC2G17 IC4B 74LVC2G17 IC3 74LVC541DW IC2 74LVC541DW IC4A A17 A16 A15 A14 A13 A12 A11 A10 A9 A8 A7 A6 A5 A4 A3 A2 A1 G2 G1 G1 G2 P32 RES+ RES- +3.3
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Schaltplan mit RP2040 Pico-Board und 74LVC541DW
, 18, 17, 16, 15, 14, 13, 12, 11, 10, 9, 8, 7, 6, 5, 4, 3, 2, 1, D[0.7], ROM, IC3, A1 bis A14, 74LVC541DW, C1, C4, BC807, P28, P32, R19, R2, R3, 10k, IC1, RP2040 Pico-Board, VBUS, VSYS, ADC, ADC_VREF, RESET, GND1, GND2, GND3, GND4, GND5, SWDIO, SWCLK, 32 KB ROM, Michael Nowak 2025-03-27, www.mino-elektronik.de
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Schaltplan Pico-BOARD-MAX mit ROM und Logikbausteinen
VBUS, 3V3, GND4, 3V3_EN, 3V3, GND4, R4 bis R22 10k, IC3, 74HCT541DW, D[0..7], A[0..17], IC5A, 74LVC541DW, IC5B, 74LVC2G17, IC5C, 74LVC2G17, SWDIO, SWCLK, GND, +3.3, SWD_DIO, SWD_CLK, SWD_GND, SERIO, R1 10k, R2 330, Q1 BC817, R3 10k
