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v0b — A famicom discrete logic mapper | Open App Note

BNUY-ROM

smaldragon

A famicom discrete logic mapper

Components (24)

Reference	Value	Description
U1	SST39SF040
U2	74HC139
U3	74HC174
U4-U6	74HC191
U7	74HC670
U8	62256
U9	SAM2695
U10	MCP1700
C1,C2,C10	1µF
C3-C9,C16	C_Small
C11,C15	10µF
C12	100nF
C13,C14	22pF
C17	1nF
D1	1N4148
H1	Famicom_Cartridge_Edge
JP1	NOSAM
JP2-JP4	SolderJumper_2_Open
R1	47KΩ
R2	100Ω
R3	10Ω
R4	4.7K
RN1	R_Network04
Y1	12M

BNUY-ROM schematic

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