Chips › Processors › Motorola 6800 family › Motorola 68HC11
Motorola 68HC11
1985
Motorola's popular 8-bit microcontroller with on-chip memory, timers and I/O, ubiquitous in 1980s-90s embedded systems.
Reference & documentation
External technical references for programming Motorola 68HC11 and for writing emulators.
| Resource | Type | Notes |
|---|---|---|
| MC68HC11A8 Technical Data (Rev 6, Motorola) ↗ | Datasheet | Canonical MC68HC11A8 datasheet, all subsystems and electricals |
| M68HC11E Family Technical Data (Rev 5, Motorola) ↗ | Datasheet | E-series datasheet, electricals and timing specs |
| M68HC11 Instruction Set Details (Motorola Reference) ↗ | Instruction set | Every opcode with operation, cycles, addressing modes |
| 68HC11 Opcode Map ↗ | Instruction set | Color-coded opcode map across all four pages |
| MC68HC11A8 Technical Data - Memory Map ↗ | Memory map | Register block and address map layout |
| MC68HC11A8 Technical Data - Pin Assignments ↗ | Pinout | PLCC pinout and signal descriptions |
| MC68HC11A8 Programming Reference Guide (Sep 1985) ↗ | Programming | Pocket guide: opcode map, addressing modes, execution times |
| M68HC11 Reference Manual (Rev 3, Motorola) ↗ | Reference | Full CPU reference manual, architecture and peripherals |
| 68HC11 Instructions - Alphabetic Listing with Cycles ↗ | Reference | Alphabetic table, cycle timing and condition codes |
| 68HC11 Resources Collection (croberson94) ↗ | Reference | Curated assemblers, IDEs, disassembler, and docs index |
| Java 68HC11 Emulator (Sappharad) ↗ | Source | Java emulator and debugger, ~99% of opcodes |
| EVBU - Python 68HC11 / Buffalo Simulator ↗ | Tool | Open-source GPL Python 68HC11 Buffalo simulator |