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AVR-based bootloader, I/O, and debugging for Z80-based computers

z80ctrl

jblang

AVR-based bootloader, I/O, and debugging for Z80-based computers

Components (21)

Reference	Value	Description
U1	74HCT32
U2,U3	MCP23S17
U4	DS1306+
U5	74HCT04
BT1	Battery_Cell
C1-C5	.1uf
J1	BUS
J2	BUSEXT
J3	SPI1
J4	SPI2
J5	SPI3
J6	SPI4
J7	GPIO_B
J8	GPIO_C
J9	GPIO_D
J10	GPIO_A
J11	RESET
JP1,JP5	A0
JP2,JP4	A1
JP3,JP6	A2
Y1	32kHz

z80ctrl schematic

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z80ctrl board