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General| Architecture | 8-bit |
|---|---|
| Number of Instructions | 111 |
| Clock Speed | 12 MHz |
| Register Size | 8-bit |
| Internal RAM | 128 bytes |
| Internal ROM | 4 KB |
| External Memory | 64 KB |
| I/O Pins | 32 |
| Timers | 2 |
| Serial Port | 1 |
| Interrupts | 5 |
| Operating Voltage | 5V |
| UART | Yes |
| Program Memory | 4 KB |
| RAM | 128 bytes |
| Instruction Set | CISC |
Provides an overview of the MCS®-51 instruction set, optimized for 8-bit control applications.
Overview of the 8051 interrupt structure, sources, and vectoring.
Provides a summary of the 8051 instruction set, including mnemonics and operands.
Describes Timer 0 and Timer 1, including operating modes and control registers.
Details port structures, I/O configurations, and external memory access.
Covers serial port modes, framing error detection, and baud rate generation.
Provides a map of the SFR space and their reset values.
Details the serial port's modes, framing error detection, and baud rates.
Covers interrupt sources, enable registers, and priority levels.
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