TMP91FY42FG is a high-speed 16-bit microcontroller designed for the control of various mid- to large-scale equipment.
The TMP91FY42FG is a high‑speed 16‑bit microcontroller from Toshiba, offered in a 100‑pin LQFP package. It provides a 27 MHz CPU, 16 KB of RAM, 256 KB of flash ROM, and extensive peripheral options such as timers, serial interfaces and a 10‑bit ADC.
The document details the pin assignment, electrical characteristics, operating voltage ranges, and mechanical dimensions, along with usage restrictions and handling guidelines for designers integrating the device into various equipment.
| CPU speed | 27 MHz |
|---|---|
| Minimum instruction execution time | 148 ns (at 27 MHz) |
| Built‑in RAM | 16 KB |
| Built‑in Flash ROM | 256 KB |
| Mask ROM (boot) | 4 KB |
| External memory expansion | Up to 16 MB |
| 8‑bit timers | 8 channels |
| 16‑bit timer/event counters | 2 channels |
| General‑purpose serial interface | 2 channels |
| UART / Synchronous mode | 2 channels |
| 10‑bit AD converter | 8 channels |
| Interrupt sources | 45 |
| I/O pins | 81 pins |
| Operating voltage (normal operation) | 2.7 V to 3.6 V |
| Package | 100‑pin LQFP (LQFP100‑P‑1414‑0.50F) |
The microcontroller runs at up to 27 MHz.
It includes 16 KB of built‑in RAM.
Normal operation is supported from 2.7 V to 3.6 V.
The device is supplied in a 100‑pin LQFP (LQFP100‑P‑1414‑0.50F).