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Motorola Inc - System Basis Chip Lite with Low Speed Fault Tolerant CAN Interface

Numéro de référence PC33889
Description System Basis Chip Lite with Low Speed Fault Tolerant CAN Interface
Fabricant Motorola Inc 
Logo Motorola  Inc 





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PC33889 fiche technique
MOTOROLA Order this document by APD Marketing
Semiconductor TechnicFarleDeastacale Semiconductor, Inc.
Rev 5.6, 23th July 02
Product Preview
System Basis Chip Lite with Low
Speed Fault Tolerant CAN Interface
The MC33889 is a monolithic integrated circuit combining many functions
frequently used by automotive ECUs. It incorporates a low speed fault tolerant
CAN physical interface.
Main features:
• Vdd1: 5V Low drop voltage regulator, current limitation, over temperature
detection, monitoring and reset function. Total current capability 200mA.
• 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: normal, stand-by, stop and sleep modes.
• Low stand-by current consumption in stop and sleep modes
• Built in Low speed 125KBaud fault tolerant CAN physical interface,
compatible with Motorola MC33388.
• External high voltage wake-up input, associated with HS1 Vbat switch
• 150mA output current capability for HS1 Vbat switch allowing drive of external
switches pull up resistors or relays
• Vsup monitoring and failure detection
• DC Operating voltage from 5 to 27V
• 40V maximum transient voltage
• Programmable software time out and window watchdog
• Separate outputs for Watchdog time out signal (WDOGB) and Reset (Reset).
• Wake up capabilities: wake up input, programmable cyclic sense, forced
wake up, CAN interface, SPI (CSB pin) and stop mode over current.
• Interface with MCU through 4 Mhz SPI.
• SO28WB package with thermal enhanced lead frame.
PC33889
PASS3
System Basis
Chip Lite
SILICON MONOLITHIC
INTEGRATED CIRCUIT
DW SUFFIX
PLASTIC PACKAGE
CASE 751F
SO-28
PIN CONNECTIONS
Vbat
Vsup
HS1
L0
L1
Rrth
Rth
CAN H
CAN L
Rrtl Rtl
Simplified Block Diagram
Q1 5V
V2CTRL
V2
Vsup monitor
Dual Voltage Regulator
CAN
supply
Vdd1 Monitor
5V/200mA
HS1 control
Mode control
Oscillator
Programmable
wake-up input
Interrupt
Watchdog
Reset
Vsup
SPI Interface
Low Speed 125Kbit/s
Fault Tolerant CAN
Physical Interface
V2
Vdd1 5V/200mA
INTB
WDOGB
Reset
MOSI
SCLK
MISO
CSB
Txd
Rxd
Gnd
RX 1
TX 2
Vdd1 3
Reset 4
INTB 5
GND 6
GND 7
GND 8
GND 9
V2ctrl 10
Vsup 11
HS1 12
L0 13
L1 14
28 WDOGB
27 CSB
26 MOSI
25 MISO
24 SCLK
23 GND
22 GND
21 GND
20 GND
19 CANL
18 CANH
17 Rtl
16 Rth
15 V2
ORDERING INFORMATION
Device
Operating
Temperature Range
Package
PC33889DW TA = -40 to 125°C SO-28
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Go to: www.freescale.com
© Motorola, Inc., 2002. All rights reserved.

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