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MC33889 Datasheet(PDF) 1 Page - Freescale Semiconductor, Inc

Part No. MC33889
Description  System Basis Chip with Low Speed Fault Tolerant CAN Interface
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Maker  FREESCALE [Freescale Semiconductor, Inc]
Homepage  http://www.freescale.com
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MC33889 Datasheet(HTML) 1 Page - Freescale Semiconductor, Inc

 
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Document Number: MC33889
Rev. 11.0, 12/2006
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., 2006. 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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