tcpbox68k
ppsilv
This is my MC68000 first project.
Components (59)
| Reference | Value | Description |
|---|---|---|
| Q1 | NPN | |
| Q2 | PNP | |
| U1,U2.6 | 74LS00 | |
| U2,U2.5 | 74LS05 | |
| U2.1,U5 | 68000D | |
| U2.2,U3 | 74LS161 | |
| U2.4,U4 | ICM7555xB | |
| U2.7,U3.2,U29 | 74LS138 | |
| U2.8 | ATmega8-16P | |
| U2.9 | 8253 | |
| U6,U9-U11 | 74LS244 | |
| U7,U8 | 74LS245 | |
| U12 | 74LS148 | |
| U13 | ROM_LOW | |
| U14 | ROM_HIGH | |
| U15 | RAM_LOW | |
| U16 | RAM_HIGH | |
| U17 | GAL20V8 | |
| U19 | UART1 | |
| U20 | UART2 | |
| U21 | UART3 | |
| U22 | UART4 | |
| U23 | 74LS573 | |
| U24 | 74LS32 | |
| U25 | 74LS04 | |
| U27 | 74LS574 | |
| U28 | 74LS139 | |
| BAR1 | HDSP-4830_2 | |
| BT1 | Battery | |
| C1,C3,C20,C22 | 1uf | |
| C2,C21 | 10nF | |
| C4-C19,U18_C1-U18_C4 | 100nf | |
| C4_U5,C5_U5,C6_U1E1,C7_U1E1,C7_U3,C7_U4,C7_U6-C7_U12,CU21_C2,U2.2_C1,U2.3_C1,U2.4_C1,U2.5_C1,U2.6_C1,U2.7_C1,U2.8_C1,U2.9_C1,U3.0_C1,U21_C1 | 100nF | |
| C? | 0.1nf | |
| D1,D5 | /RESET | |
| D2,D6 | /HALT | |
| D3,D4 | ON | |
| D7,D8 | 1N4148 | |
| D9 | 3V | |
| D10 | Sys Alive | |
| J1,J2,J10,J12 | Conn_02x37_Row_Letter_Last | |
| J3-J6 | RS232_1 | |
| J7,J11 | Conn_02x20_Counter_Clockwise | |
| J8 | Conn_02x04_Counter_Clockwise | |
| J9 | Conn_02x02_Counter_Clockwise | |
| JP1,JP2,JP5,JP6 | Jumper_2_Bridged | |
| JP3,JP4,JP7,JP8 | Jumper_2_Open | |
| R1-R4,R7-R15,R17,R21,R26-R28,R30-R40,R49-R54,R56 | 10k | |
| R5,R6,R22,R29 | 270k | |
| R16 | 4K7 | |
| R18-R20,R23-R25,R41-R48,R59 | 470R | |
| R55 | 100k | |
| R57,R60,R61 | 1k | Resistor |
| R58 | 4k7 | |
| SW1,SW2 | Reset | |
| SW3 | Xmodem | |
| X1 | 16MHZ,16Mhz | |
| X2 | 16MHZ | |
| Y1 | Crystal | Two pin crystal |