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33910 Datasheet(PDF) 1 Page - Freescale Semiconductor, Inc |
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33910 Datasheet(HTML) 1 Page - Freescale Semiconductor, Inc |
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1 / 44 page  Document Number: MC33910 Rev. 4.0, 2/2008 Freescale Semiconductor Advance Information * This document contains certain information on a new product. Specifications and information herein are subject to change without notice. © Freescale Semiconductor, Inc., 2007. All rights reserved. LIN System Basis Chip with 2x60mA High Side Drivers The 33910 is a Serial Peripheral Interface (SPI)-controlled System Basis Chip (SBC), that combines many frequently used functions in an MCU-based system, plus a Local Interconnect Network (LIN) transceiver. It has a 5.0V, 60mA low dropout regulator with full protection and reporting features. The device provides full SPI- readable diagnostic and a selectable timing watchdog for detecting errant operation. The LIN Protocol Specification, version 2.0 compliant LIN transceiver has waveshaping circuitry that can be disabled for higher data rates. Two 60mA high side switches with optional pulse-width modulation (PWM) are implemented to drive small loads. One high voltage input is available for use in contact monitoring or as external wake-up input. This input can be used as high voltage Analog Input as well. The voltage on this pin is divided by a selectable ratio and available via an analog multiplexer. The 33910 has three main operating modes: Normal (all functions available); Sleep (VDD off, wake-up via LIN, wake-up input (L1), cyclic sense and forced wake-up) and Stop (VDD on with limited current capability, wake-up via CS, LIN bus, wake-up input, cyclic sense, forced wake-up and external reset). The 33910 is compatible with LIN Protocol Specification 2.0. Features • Two 60mA high side switches • One high voltage analog/logic input • Full-duplex SPI at frequencies up to 4MHz • LIN transceiver capable of up to 100kbps with wave shaping • Configurable window watchdog • 5.0V low drop regulator with fault detection and low voltage reset (LVR) circuitry • Switched/protected 5.0V output (used for Hall sensors) • Pb-free packaging designated by suffix code AC Figure 1. 33910 Simplified Application Diagram SYSTEM BASIS CHIP WITH LIN 2ND GENERATION 33910 ORDERING INFORMATION Device Temperature Range (TA) Package MC33910BAC/R2 -40°C to 125°C 32-LQFP MC34910BAC/R2 -40°C to 85°C AC SUFFIX (Pb-FREE) 98ASH70029A 32-PIN LQFP 33910 MCU LIN INTERFACE VS1 VS2 VSENSE HS1 L1 HVDD HS2 WDCONF LIN VDD PWMIN ADOUT0 MOSI MISO SCLK CS RXD TXD IRQ RST VBAT |
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