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33742S Datasheet

  • 33742S

  • System Basis Chip (SBC) with Enhanced High-Speed CAN Transce...

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  • MOTOROLA   MOTOROLA

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Freescale Semiconductor, Inc.
MOTOROLA
SEMICONDUCTOR TECHNICAL DATA
Document order number: MC33742
Rev 2.0, 10/2004
Advance Information
System Basis Chip (SBC) with
Enhanced High-Speed CAN
Transceiver
The 33742 and the 33742S are monolithic integrated circuits combining
many functions frequently used by automotive environmental control units
(ECUs).
The 33742 is an SBC having a fully protected fixed 5.0 V low-drop regulator
with current limit, overtemperature 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 bipolar junction transistor. The 33742 has normal, standby, stop,
and sleep modes, an internally switched high-side power supply output with
four wake-up inputs, programmable window watchdog, interrupt, reset, SPI
input control, and a high-speed CAN transceiver compatible with CAN 2.0 A
and B protocols for module-to-module communication.
Features
鈥?High-Speed 1.0 Mbps CAN Interface with Bus Diagnostic Capability
(Detection of CANH and CANL Short to Ground, to V
DD
, and to V
SUP
)
鈥?Low-Drop Voltage 5.0 V, 200 mA V
DD
Regulator with Current-Limiting,
Overtemperature Pre-Warning, and Output Monitoring with Reset
鈥?Additional 5.0 V Regulator with External Series Pass Transistor
鈥?Normal, Standby, Stop, and Sleep Modes with Low Sleep and Stop
Mode Current
鈥?150 mA High-Side Switch Output for Control of External Circuitry
鈥?Four External Wake-Up Inputs
鈥?Software-Programmable Watchdog Window, Interrupt, and Reset
33742
33742S
SYSTEM BASIS CHIP
WITH ENHANCED
HIGH-SPEED CAN
Freescale Semiconductor, Inc...
DW SUFFIX
CASE 751F-05
28-TERMINAL SOICW
ORDERING INFORMATION
Device
MC33742DW/R2
MC33742SDW/R2
Temperature
Range (T
A
)
-40擄C to 125擄C
Package
28 SOICW
33742 Simplified Application Diagram
V
PWR
33742
33742
5.0 V
MCU
RST
V
DD
V
SUP
V
2
V2CTRL
V2
V
PWR
CS
SCLK
MOSI
MISO
SPI
CS
SCLK
MOSI
MISO
INT
L0
L1
L2
L3
WDOG
HS
CANH
CANL
GND
Safe Circuitry
ECU Local
Supply
Twisted
Pair
CAN Bus
TXD
RXD
GND
This document contains certain information on a new product.
Specifications and information herein are subject to change without notice.
漏 Motorola, Inc. 2004
For More Information On This Product,
Go to: www.freescale.com

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