ST92195C/D is a 48-96Kbyte ROM HCMOS MCU with ON-SCREEN DISPLAY and TELETEXT DATA SLICER from STMicroelectronics. The chip adopts 8/16-bit register file architecture, supports RUN, WFI, SLOW and HALT modes, operating temperature range is 0°C to +70°C, maximum operating frequency is 24MHz, and minimum instruction cycle time is 165ns. ST92195C/D has 48, 56, 64, 84 or 96Kbyte ROM, 256 bytes of register file RAM (accumulators or index registers), 256 to 512 bytes of on-chip static RAM, 2 or 8 Kbytes of TDSRAM (Teletext and Display Storage RAM), 28 fully programmable I/O pins, serial peripheral interface and flexible clock controller.
The ST92195C/D microcontroller is a 48‑96 KB ROM HCMOS MCU with an on‑screen display and teletext data slicer. It features a register‑file based 8/16‑bit core, multiple power‑saving modes, and a flexible clock controller.
The device includes up to 28 programmable I/O pins, several timers, a watchdog, PWM outputs, an ADC, and dedicated teletext and display storage RAM. Electrical characteristics such as a 0 °C to +70 °C operating range and up to 24 MHz clock speed are detailed in the datasheet.
| ROM size | 48‑96 KB |
|---|---|
| Maximum CPU clock | 24 MHz @ 5 V ±10 % |
| Instruction cycle time | 165 ns at 24 MHz |
| Register‑file RAM | 256 bytes |
| On‑chip static RAM | 256‑512 bytes |
| Programmable I/O pins | 28 |
| Watchdog timer | 16‑bit with 8‑bit prescaler |
| Standard timers | 1‑2 × 16‑bit with 8‑bit prescaler |
The device operates from 0 °C to +70 °C.
It provides up to 28 fully programmable I/O pins.
The MCU can run up to 24 MHz at 5 V ±10 %.
The minimum instruction cycle time is 165 ns at 24 MHz.