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MC33889DDWR2 Datasheet(PDF) 1 Page - Freescale Semiconductor, Inc |
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MC33889DDWR2 Datasheet(HTML) 1 Page - Freescale Semiconductor, Inc |
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1 / 60 page  Document Number: MC33889 Rev. 12.0, 3/2007 Freescale Semiconductor Technical Data Freescale Semiconductor, Inc. reserves the right to change the detail specifications, as may be required, to permit improvements in the design of its products. © Freescale Semiconductor, Inc., 2007. All rights reserved. System Basis Chip with Low Speed Fault Tolerant CAN Interface An SBC device is a monolithic IC combining many functions repeatedly found in standard microcontroller-based systems, e.g., protection, diagnostics, communication, power, etc. The 33889 is an SBC having fully protected, fixed 5.0 V low drop-out regulator, with current limit, over-temperature pre-warning and reset. An output drive with sense input is also provided to implement a second 5.0 V regulator using an external PNP. The 33889 has Normal, Standby, Stop and Sleep modes; an internally switched high-side power supply output with two wake-up inputs; programmable timeout or window watchdog, Interrupt, Reset, SPI input control, and a low- speed fault tolerant CAN transceiver, compatible with CAN 2.0 A and B protocols for module-to-module communications. The combination is an economical solution for power management, high-speed communication, and control in MCU-based systems. Features • VDD1: 5.0 V low drop voltage regulator, current limitation, overtemperature detection, monitoring and reset function with total current capability 200 mA •V2: tracking function of VDD1 regulator; control circuitry for external bipolar ballast transistor for high flexibility in choice of peripheral voltage and current supply • Four operational modes • Low standby current consumption in Stop and Sleep modes • Built-in low speed 125 kbps fault tolerant CAN physical interface. • External high voltage wake-up input, associated with HS1 VBAT switch •150 mA output current capability for HS1 VBAT switch allowing drive of external switches pull-up resistors or relays • Pb-Free Packaging Designated by Suffix Code EG Figure 1. 33889 Simplified Application Diagram SYSTEM BASIS CHIP 33889 *Recommended for new designs ORDERING INFORMATION Device Temperature Range (TA) Package MC33889BDW/R2 -40°C to 125°C 28 SOICW MCZ33889BEG/R2 MC33889DDW/R2 *MCZ33889DEG/R2 DW SUFFIX EG SUFFIX (PB-FREE) PLASTIC PACKAGE 98ASB42345B 28-PIN SOICW Local Module Supply Safe Circuits 33889 V MOSI SCLK MISO SPI CS Wake-Up Inputs 5.0 V MCU VPWR CAN Bus Twisted Pair HS1 WDOG VDD1 INT RST MOSI SCLK MISO TXD RXD GND VSUP L0 L1 V2CTRL V2 CANH CANL RTH RTL CS 2 |
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