This document is the technical data manual of the 33889 chip of Freescale Semiconductor. The 33889 chip is a system basis chip that integrates many functions, such as protection, diagnostics, communication, power, etc.
The MC33889 is a System Basis Chip (SBC) that integrates a 5.0 V low‑dropout regulator, fault‑tolerant CAN interface, and multiple power‑management functions for MCU‑based designs. It offers normal, standby, stop and sleep modes, programmable watchdogs, and external voltage regulation options.
The document provides detailed pin assignments, electrical ratings, static and dynamic characteristics, device variations, and ordering information, along with revision history and contact details for Freescale Semiconductor support.
| VDD1 regulator output voltage | 5.0 V low‑dropout |
|---|---|
| VDD1 regulator current capability | 200 mA |
| CAN bus speed | 125 kbps fault‑tolerant |
| Supply voltage range (VSUP) | -0.3 V to 27 V |
VDD1 supplies a 5.0 V low‑dropout regulator.
The regulator can deliver up to 200 mA of current.
The device includes a built‑in 125 kbps fault‑tolerant CAN interface.
The device operates with a supply voltage from –0.3 V to 27 V.