This is a datasheet for Infineon C165 16-bit single-chip microcontroller
The C165 is a 16‑bit single‑chip microcontroller from Infineon's C166 family, offering up to 12.5 MIPS performance, a 16‑priority‑level interrupt system with 28 sources, and extensive on‑chip peripherals such as timers, serial interfaces, and a programmable watchdog. It supports both 5 V and 3 V supply options and includes up to 2 KB of internal RAM and 1 KB of special function registers.
The device is available in 100‑pin MQFP (0.65 mm pitch) and 100‑pin TQFP (0.5 mm pitch) packages, with derivative versions operating up to 25 MHz. Detailed pin configurations, package dimensions, and ordering information are provided for each variant.
| Instruction cycle time | 80 ns at 25 MHz |
|---|---|
| Multiplication time | 400 ns (16 × 16 bit) |
| Division time | 800 ns (32 ÷ 16 bit) |
| On‑chip RAM | 2 KB internal RAM |
| Special function registers | 1024 Bytes |
| Interrupt sources | 28 sources |
| Maximum operating frequency | 25 MHz (certain derivatives) |
| Operating voltage | 3 V or 5 V |
| Package types | 100‑Pin MQFP (0.65 mm pitch) and 100‑Pin TQFP (0.5 mm pitch) |
It is 80 ns per instruction cycle.
The C165 is offered in a 100‑pin MQFP package with 0.65 mm pitch and a 100‑pin TQFP package with 0.5 mm pitch.
It can operate from either a 5 V or a 3 V power supply.
The microcontroller supports 28 interrupt sources.