TD83C51FA2 8-Bit Microcontroller-Microcomputer - Prog duplex serial I/O and counter array
From Intel
| Clock Frequency - Max. (Hz) | 12M |
| Clock Frequency - Min. (Hz) | 500k |
| Max Instruction Length (bits) | 24 |
| Memory Addressing Range | 64k |
| Military | N |
| Min Instruction Length (bits) | 8 |
| No. of I/O Ports | 4 |
| No. of Non-Maskable Interrupts | 0 |
| Number of Addressing Modes | 7 |
| Number of I/O Lines | 32 |
| Number of Interrupt Lines | 2 |
| Number of Maskable Interrupts | 14 |
| On-Chip RAM (Bytes) | 256 |
| On-Chip ROM (bytes) | 8k |
| Package | DIP |
| Pins | 40 |
| Technology | CMOS |
| Vsup Nom.(V) Supply Voltage | 5 |
