| Part name | Description | Manufacturer | Package | Pins | Temp. Range | PDF datasheet |
| M37540M4-XXXSP | Single-chip 8-bit CMOS microcomputer | Mitsubishi Electric Corporation, Semiconductor Group | DIP | 42 | -20°C | 85°C | M37540M4-XXXSP datasheet (860K) |
| M37540M4T-XXXFP | Single-chip 8-bit CMOS microcomputer. ROM 16384, RAM 512 bytes. Mask ROM | Mitsubishi Electric Corporation, Semiconductor Group | Plastic SSOP | 36 | -40°C | 85°C | M37540M4T-XXXFP datasheet (668K) |
| M37540M4T-XXXFP | Single-chip 8-bit CMOS microcomputer | Mitsubishi Electric Corporation, Semiconductor Group | SSOP | 36 | -20°C | 85°C | M37540M4T-XXXFP datasheet (860K) |
| M37540M4T-XXXGP | Single-chip 8-bit CMOS microcomputer. ROM 16384, RAM 512 bytes. Mask ROM | Mitsubishi Electric Corporation, Semiconductor Group | Plastic LQFP | 32 | -40°C | 85°C | M37540M4T-XXXGP datasheet (668K) |
| M37540M4T-XXXGP | Single-chip 8-bit CMOS microcomputer. ROM 16384, RAM 512 bytes. Mask ROM | Mitsubishi Electric Corporation, Semiconductor Group | Plastic LQFP | 32 | -40°C | 85°C | M37540M4T-XXXGP datasheet (668K) |
| M37540M4T-XXXGP | Single-chip 8-bit CMOS microcomputer | Mitsubishi Electric Corporation, Semiconductor Group | LQFP | 30 | -20°C | 85°C | M37540M4T-XXXGP datasheet (860K) |
| M37540RSS | Single-chip 8-bit CMOS microcomputer. RAM 768 bytes. Emulator MCU | Mitsubishi Electric Corporation, Semiconductor Group | Ceramic PIGGY BACK | 32 | -20°C | 85°C | M37540RSS datasheet (668K) |
| M37540RSS | Single-chip 8-bit CMOS microcomputer | Mitsubishi Electric Corporation, Semiconductor Group | PIGGY BACK | 42 | -20°C | 85°C | M37540RSS datasheet (860K) |
| M37560M1-XXXFP | Single-chip 8-bit CMOS microcomputer | Mitsubishi Electric Corporation, Semiconductor Group | QFP | 100 | -20°C | 85°C | M37560M1-XXXFP datasheet (955K) |
| M37560M1-XXXGP | Single-chip 8-bit CMOS microcomputer | Mitsubishi Electric Corporation, Semiconductor Group | QFP | 100 | -20°C | 85°C | M37560M1-XXXGP datasheet (955K) |
