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MC34911BAC Folha de dados(PDF) 1 Page - Freescale Semiconductor, Inc |
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MC34911BAC Folha de dados(HTML) 1 Page - Freescale Semiconductor, Inc |
1 / 45 page Document Number: MC33911 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 DC Motor Pre-driver The 33911 is a Serial Peripheral Interface (SPI)-controlled System Basis Chip (SBC) combining many frequently used functions in an MCU-based system, plus a Local Interconnect Network (LIN) transceiver. The 33911 has a 5.0V - 60mA low dropout regulator with full protection and reporting features. The device provides full SPI- readable diagnostics and a selectable timing watchdog for detecting errant operation. The LIN Protocol Specification 2.0 compliant LIN transceiver, has waveshaping circuitry that can be disabled for higher data rates. One 60mA high side switch and two 160mA low side switches with output protection are available for driving resistive and inductive loads. All outputs can be pulse-width modulated (PWM). Two high-voltage inputs are available for use in contact monitoring, or as external wake- up inputs. These inputs can be used as high-voltage analog Inputs. The voltage on theses pins is divided by a selectable ratio and available via an analog multiplexer. The 33911 has three main operating modes: Normal (all functions available), Sleep (VDD off, wake-up via LIN, wake-up inputs (L1,L2), cyclic sense, and forced wake-up), and Stop (VDD on with limited current capability, wake-up via CS, LIN bus, wake-up inputs, cyclic sense, forced wake-up, and external reset). The 33911 is compatible with LIN Protocol Specification 2.0. Features • One 60mA high side switch and two 160mA low side switches • Two high-voltage analog/logic inputs • Full-duplex SPI Interface 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 • Pb-free packaging designated by suffix code AC Figure 1. 33911 Simplified Application Diagram 33911 ORDERING INFORMATION Device Temperature Range (TA) Package MC33911BAC/R2 -40°C to 125°C 32-LQFP MC34911BAC/R2 -40°C to 85°C AC SUFFIX (Pb-FREE) 98ASH70029A 32-PIN LQFP SYSTEM BASIS CHIP WITH LIN 2ND GENERATION M MCU 33911 VS1 VS2 VSENSE HS1 L1 L2 LS1 LS2 WDCONF VDD PWMIN ADOUT0 MOSI MISO SCLK CS RXD TXD IRQ RST VBAT LIN INTERFACE LIN |
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