| F25 | Surface Mount |
|---|---|
| F26 | 64-LQFP |
| F27 | 64-LQFP (7x7) |
| Speed | ISD91400 |
| RAM Size | I²C, I²S, IrDA, LIN, SPI, UART/USART |
| Flash Size | 192KB |
| Co-Processor | FLASH (512kB) |
| Connector Type | 57 |
| Core Processor | ARM® Cortex®-M4F |
| Size / Dimension | 1.08V ~ 1.32V |
| Module/Board Type | Audio Record/Playback |