Z80Atmega128
46nori
Real Z80A system with I/O emulated by AVR(ATmega128)
Components (45)
| Reference | Value | Description |
|---|---|---|
| U1,U8 | 74HC125 | |
| U2 | 74AC573 | |
| U3 | 74HCT574 | |
| U4 | 74HC04 | |
| U5 | 74HC244 | |
| U6 | 74HCT245 | |
| U7,U11 | 74HC08 | |
| U9,U10,U13 | 74HC32 | |
| U12 | 74HC74 | |
| U14,U15 | DS1232 | |
| U16 | 74HC4050 | |
| U17 | LP2950-3.3 | |
| U18,U19 | AE-CH340E-TYPEC | |
| C1-C9,C11-C19,C22,C23 | 0.1u | |
| C10 | 100u | |
| C20,C21 | 22p | |
| C24 | 1u | |
| CPU1 | Z80A | |
| CPU2 | ATmega128-16AU | |
| D1,SW1 | POWER | |
| D2 | SD Access | |
| D3 | LED1 | |
| D4 | LED2 | |
| D5 | LED3 | |
| D6 | /BUSACK | |
| D7 | HALT | |
| J1 | AVR-ISP-6 | |
| J2 | Z80[1..20] | |
| J3,J5 | DC 5V | |
| J4 | Z80[21..40] | |
| J6 | Micro_SD_Card_Det_Hirose_DM3AT | |
| JP1 | Disable Z80 | |
| JP2 | DC-IN SEL | |
| R1-R13,R15,R16,R19-R22,R29-R36 | 10K | |
| R14,R23-R28 | 1K | |
| R17 | 1M | |
| R18 | 100 | |
| REF1-REF4 | MountingHole_Pad | |
| SRAM1,SRAM2 | HM62256BLP | |
| SW2 | RESET | |
| SW3 | DIP SW | |
| TP1 | 5V | |
| TP2 | GND | |
| Y1 | 16MHz | |
| Y2 | 8MHz |