| Series | FR MB91520 |
| Package | Tray |
| Part Status | Active |
| Core Processor | FR81S |
| Core Size | 32-Bit |
| Speed | 80MHz |
| Connectivity | CANbus, CSIO, I²C, LINbus, SPI, UART/USART |
| Peripherals | DMA, LVD, POR, PWM, WDT |
| Number of I/O | 44 |
| Program Memory Size | 1.0625MB (1.0625M x 8) |
| Program Memory Type | FLASH |
| EEPROM Size | 64K x 8 |
| RAM Size | 136K x 8 |
| Voltage - Supply (Vcc/Vdd) | 2.7V ~ 5.5V |
| Data Converters | A/D 26x12b; D/A 1x8b |
| Oscillator Type | External |
| Operating Temperature | -40°C ~ 105°C (TA) |
| Mounting Type | Surface Mount |
| Package / Case | 64-LQFP |
| Supplier Device Package | 64-LQFP (10x10) |
