| General information |
| Type | Microcontroller |
| Family | Intel 8031 |
| MCU part number | - P8031AH is an OEM/tray microcontroller
|
| Frequency | 3.5 MHz - 12 MHz |
| Package | 40-pin plastic DIP |
| Socket | DIP40 |
| Architecture / Microarchitecture |
| Manufacturing process | HMOS II |
| Data width | 8 bit |
| Physical memory | 128 KB (64 KB code and 64 KB data) |
| On-chip peripherals | - Four 8-bit ports (32 I/O lines)
- Full-duplex serial port
- Two 16-bit timers/counters
- Clock oscillator
|
| On-chip RAM | 128 bytes |
| Electrical / Thermal parameters |
| V core | 5V ± 10% |
| Minimum/Maximum operating temperature | -40°C - 85°C |
| Maximum power dissipation | 0.69 Watt (12 MHz) |