6800
jefftranter
Code related to the Motorola 6800 microprocessor.
Components (62)
| Reference | Value | Description |
|---|---|---|
| U1 | LM7805 | |
| U2 | 74LS00 | |
| U3 | 74LS04 | |
| U4 | 6821 | |
| U5 | MC6850 | |
| U6-U11 | MAN71A | |
| U12-U17 | 74LS259 | |
| U18,U23 | 74LS244 | |
| U19 | 62256 | |
| U20 | 27128 | |
| U21 | MC6802 | |
| U22 | ATF16V8B | |
| U24 | 74LS42 | |
| C1,C3-C21 | 0.1uF | |
| C2,C23 | 100uF | |
| C22 | 1nF | |
| C24,C25 | 30 pF | |
| D1,D4,D8-D10 | 1N4148 | |
| D2,D3,D5,D6 | 1N4001 | |
| D7 | POWER | |
| J1 | AC/DC IN | |
| J2 | 5V IN | |
| J3 | EXPANSION | |
| J4 | LTC | |
| J5 | PARALLEL PORT | |
| J6 | TX DATA SELECT | |
| J7 | RX DATA SELECT | |
| J8 | USB POWER | |
| J9 | FTDI SERIAL | |
| J10 | PA1 | |
| J11 | SEGMENT TEST | |
| J12 | REG. POWER | |
| J13 | PA2 | |
| J14 | PA3 | |
| J15 | PA4 | |
| J16 | PA5 | |
| J17 | PA6 | |
| R1,R55-R60 | 8K2 | |
| R2 | 330 | |
| R3,R4 | 2K2 | |
| R5 | 4K7 | |
| R6,R61-R65 | 3K | |
| R7-R54 | 470 | |
| SW2 | "D" | |
| SW3 | "E" | |
| SW4 | "F" | |
| SW5 | "A" | |
| SW6 | "B" | |
| SW7 | "C" | |
| SW8 | "7" | |
| SW9 | "8" | |
| SW10 | "9" | |
| SW11 | "4" | |
| SW12 | "5" | |
| SW13 | "6" | |
| SW14 | "1" | |
| SW15 | "2" | |
| SW16 | "3" | |
| SW17 | "0" | |
| SW18 | "RESET" | |
| Y1 | 1.8432 MHz | |
| Y2 | 4 MHz |