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Freescale Semiconductor Electronic Components Datasheet

MC33910 Datasheet

LIN System Basis Chip

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MC33910 pdf
Freescale Semiconductor
Advance Information
Document Number: MC33910
Rev. 4.0, 2/2008
LIN System Basis Chip with
2x60mA High Side Drivers
33910
The 33910 is a Serial Peripheral Interface (SPI)-controlled System
Basis Chip (SBC), that combines many frequently used functions in
an MCU-based system, plus a Local Interconnect Network (LIN)
transceiver. It has a 5.0V, 60mA low dropout regulator with full
protection and reporting features. The device provides full SPI-
readable diagnostic and a selectable timing watchdog for detecting
errant operation. The LIN Protocol Specification, version 2.0
compliant LIN transceiver has waveshaping circuitry that can be
disabled for higher data rates.
Two 60mA high side switches with optional pulse-width modulation
www.DataShee(tP4UW.cMo)mare implemented to drive small loads. One high voltage input
is available for use in contact monitoring or as external wake-up input.
This input can be used as high voltage Analog Input as well. The
voltage on this pin is divided by a selectable ratio and available via an
analog multiplexer.
The 33910 has three main operating modes: Normal (all functions
available); Sleep (VDD off, wake-up via LIN, wake-up input (L1), cyclic
sense and forced wake-up) and Stop (VDD on with limited current
capability, wake-up via CS, LIN bus, wake-up input, cyclic sense,
forced wake-up and external reset).
The 33910 is compatible with LIN Protocol Specification 2.0.
SYSTEM BASIS CHIP WITH LIN
2ND GENERATION
AC SUFFIX (Pb-FREE)
98ASH70029A
32-PIN LQFP
Features
• Two 60mA high side switches
• One high voltage analog/logic input
• Full-duplex SPI at frequencies up to 4MHz
• LIN transceiver capable of up to 100kbps with wave shaping
• Configurable window watchdog
• 5.0V low drop regulator with fault detection and low voltage
reset (LVR) circuitry
• Switched/protected 5.0V output (used for Hall sensors)
• Pb-free packaging designated by suffix code AC
33910
ORDERING INFORMATION
Device
Temperature
Range (TA)
Package
MC33910BAC/R2
MC34910BAC/R2
-40°C to 125°C
-40°C to 85°C
32-LQFP
VBAT
VS1
VSENSE
VS2
HS1
L1
MCU
VDD
PWMIN
ADOUT0
MOSI
MISO
SCLK
CS
RXD
TXD
IRQ
RST
LIN
HVDD
HS2
WDCONF
LIN INTERFACE
Figure 1. 33910 Simplified Application Diagram
* This document contains certain information on a new product.
Specifications and information herein are subject to change without notice.
© Freescale Semiconductor, Inc., 2007. All rights reserved.


Freescale Semiconductor Electronic Components Datasheet

MC33910 Datasheet

LIN System Basis Chip

No Preview Available !

MC33910 pdf
INTERNAL BLOCK DIAGRAM
INTERNAL BLOCK DIAGRAM
www.DataSheet4U.com
RST IRQ
INTERRUPT
CONTROL
MODULE
LVI, HVI, HTI, OCI
RESET CONTROL
MODULE
LVR, HVR, HTR, WD
PWMIN
MISO
MOSI
SCLK
CS
ADOUT0
WINDOW
WATCHDOG
MODULE
SPI
&
CONTROL
WAKE-UP MODULE
RXD
LIN PHYSICAL
TXD LAYER
VS2 VS1 VDD
VOLTAGE REGULATOR
5V OUTPUT
MODULE
HIGH SIDE
CONTROL
MODULE
VS2
VS2
VBAT
SENSE MODULE
CHIP TEMPERATURE
SENSE MODULE
ANALOG INPUT
MODULE
DIGITAL INPUT MODULE
LGND
WDCONF
Figure 2. 33910 Simplified Internal Block Diagram
AGND
PGND
HVDD
HS1
HS2
VSENSE
L1
LIN
33910
2
Analog Integrated Circuit Device Data
Freescale Semiconductor


Part Number MC33910
Description LIN System Basis Chip
Maker Freescale Semiconductor
Total Page 30 Pages
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