| Part name | Description | Manufacturer | Package | Pins | Temp. Range | PDF datasheet |
| M38031FF-FP | RAM size: 256bytes; single-chip 8-bit CMOS microcomputer | Mitsubishi Electric Corporation, Semiconductor Group | QFP | 64 | -20°C | 85°C | M38031FF-FP datasheet (1M) |
| M38031FF-HP | RAM size: 256bytes; single-chip 8-bit CMOS microcomputer | Mitsubishi Electric Corporation, Semiconductor Group | LQFP | 64 | -20°C | 85°C | M38031FF-HP datasheet (1M) |
| M38031FF-SP | RAM size: 256bytes; single-chip 8-bit CMOS microcomputer | Mitsubishi Electric Corporation, Semiconductor Group | DIP | 64 | -20°C | 85°C | M38031FF-SP datasheet (1M) |
| M38031FF-XXXFP | RAM size: 256bytes single chip 8-bit CMOS microcomputer | Mitsubishi Electric Corporation, Semiconductor Group | QFP | 64 | -40°C | 85°C | M38031FF-XXXFP datasheet (2M) |
| M38031FF-XXXHP | RAM size: 256bytes single chip 8-bit CMOS microcomputer | Mitsubishi Electric Corporation, Semiconductor Group | LQFP | 64 | -40°C | 85°C | M38031FF-XXXHP datasheet (2M) |
| M38031FF-XXXSP | RAM size: 256bytes single chip 8-bit CMOS microcomputer | Mitsubishi Electric Corporation, Semiconductor Group | QFP | 64 | -40°C | 85°C | M38031FF-XXXSP datasheet (2M) |
| M38031M1-XXXFP | RAM size: 256bytes single chip 8-bit CMOS microcomputer | Mitsubishi Electric Corporation, Semiconductor Group | QFP | 64 | -40°C | 85°C | M38031M1-XXXFP datasheet (2M) |
| M38031M1-XXXHP | RAM size: 256bytes single chip 8-bit CMOS microcomputer | Mitsubishi Electric Corporation, Semiconductor Group | LQFP | 64 | -40°C | 85°C | M38031M1-XXXHP datasheet (2M) |
| M38031M1-XXXSP | RAM size: 256bytes single chip 8-bit CMOS microcomputer | Mitsubishi Electric Corporation, Semiconductor Group | DIP | 64 | -40°C | 85°C | M38031M1-XXXSP datasheet (2M) |
| M38031M2-XXXFP | RAM size: 256bytes single chip 8-bit CMOS microcomputer | Mitsubishi Electric Corporation, Semiconductor Group | QFP | 64 | -40°C | 85°C | M38031M2-XXXFP datasheet (2M) |
