參數(shù)資料
型號： MCZ33742SEGR2
廠商： Freescale Semiconductor
文件頁數(shù)： 1/71頁
文件大?。?/td> 0K
描述： IC SYSTEM BASIS CHIP CAN 28-SOIC
標準包裝： 1,000
應(yīng)用： 自動
電流 - 電源： 42mA
電源電壓： 5.5 V ~ 18 V
工作溫度： -40°C ~ 125°C
安裝類型： 表面貼裝
封裝/外殼： 28-SOIC（0.295"，7.50mm 寬）
供應(yīng)商設(shè)備封裝： 28-SOIC W
包裝： 帶卷 (TR)
* This document contains certain information on a new product.
Specifications and information herein are subject to change without notice.
Document Number: MC33742
Rev. 14.0, 6/2013
Freescale Semiconductor
Technical Data
Freescale Semiconductor, Inc., 2007-2013. All rights reserved.
System Basis Chip with
Enhanced High Speed CAN
Transceiver
The 33742 and the 33742S are SPI-controlled System Basis Chips
(SBCs), combining many frequently used functions, along with a CAN
2.0-compliant transceiver, used in many automotive electronic control
units (ECUs). The 33742 SBC has a fully protected fixed 5.0 V low
dropout internal regulator, with current limiting, over-temperature pre-
warning, and reset. A second 5.0 V regulator can be implemented using
external pass PNP bipolar junction pass transistor, driven by the SBC’s
external V2 sense input and V2 output drive pins.
The SBC has four main operating modes: Normal, Standby, Stop, and
Sleep mode. Additionally, there is an internally switched high side power
supply output, four wake-up inputs pins, a programmable window
watchdog, interrupt, reset, and a SPI module for communication and
control. The high speed CAN A and B transceiver is available for inter-
module communication.
Features
1.0 Mbps CAN transceiver bus interface with bus diagnostic capability
SPI control at frequencies up to 4.0 Mhz
5.0 V low dropout voltage regulator with current limiting, over-
temperature prewarning, and output monitoring and reset
A second 5.0 V regulator capability using an external series pass
transistor
Normal, Standby, Stop, and Sleep modes of operation with low Sleep
and Stop mode current
A high side switch output driver for controlling external circuitry
Figure 1. 33742 Simplified Application Diagram
33742
33742S
ORDERING INFORMATION
Device
Temperature
Range (TA)
Package
MC33742PEG/R2
-40 to 125 °C
28 SOICW
MC33742SPEG/R2
MC33742PEP/R2
48 QFN
EG SUFFIX (PB-FREE)
98ASB42345B
28-PIN SOICW
EP SUFFIX
(PB-FREE)
98ASA10825D
48-PIN QFN
SYSTEM BASIS CHIP
33742
VPWR
5.0V
VSUP
VDD
MCU
CS
SCLK
MOSI
MISO
GND
SPI
CS
SCLK
MOSI
MISO
RST
INT
TXD
RXD
GND
CANL
CANH
HS
WDOG
L0
L1
L2
L3
V2
V2CTRL
Twisted
Pair
CAN Bus
V2
VPWR
Safe
Circuitry
ECU Local
Circuitry
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