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Freescale Semiconductor Electronic Components Datasheet

MC33905 Datasheet

(MC33903 - MC33905) SBC Gen2

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Freescale Semiconductor
Technical Data
SBC Gen2 with CAN High Speed
and LIN Interface
The 33903/4/5 is the second generation family of the System Basis
Chip (SBC). It combines several features and enhances present
module designs. The device works as an advanced power
management unit for the MCU with additional integrated circuits such
as sensors and CAN transceivers. It has a built-in enhanced high-speed
CAN interface (ISO11898-2 and -5) with local and bus failure
diagnostics, protection, and fail-safe operation modes. The SBC may
include zero, one or two LIN 2.1 interfaces with LIN output pin switches.
It includes up to four wake-up input pins that can also be configured as
output drivers for flexibility.
This device implements multiple Low-power (LP) modes, with very
low-current consumption. In addition, the device is part of a family
concept where pin compatibility adds versatility to module design.
The 33903/4/5 also implements an innovative and advanced fail-safe
state machine and concept solution.
Features
• Voltage regulator for MCU, 5.0 or 3.3 V, part number selectable, with
possibility of usage external PNP to extend current capability and
share power dissipation
• Voltage, current, and temperature protection
• Extremely low quiescent current in LP modes
• Fully-protected embedded 5.0 V regulator for the CAN driver
• Multiple under-voltage detections to address various MCU
specifications and system operation modes (i.e. cranking)
• Auxiliary 5.0 or 3.3 V SPI configurable regulator, for additional ICs,
with over-current detection and under-voltage protection
• MUX output pin for device internal analog signal monitoring and
power supply monitoring
• Advanced SPI, MCU, ECU power supply, and critical pins
diagnostics and monitoring.
• Multiple wake-up sources in LP modes: CAN or LIN bus,
I/O transition, automatic timer, SPI message, and VDD over-current
detection.
• ISO11898-5 high-speed CAN interface compatibility for baud rates of
40 kb/s to 1.0 Mb/s
• Scalable product family of devices ranging from 0 to 2 LINs which are
compatible to J2602-2 and LIN 2.1
Document Number: MC33903_4_5
Rev. 9.0, 2/2012
333990033/4//5
SYSTEM BASIS CHIP
EK Suffix (Pb-free)
98ASA10556D
32-PIN SOIC
EK Suffix (Pb-free)
98ASA10506D
54-PIN SOIC
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., 2010 - 2012. All rights reserved.
Free Datasheet http://www.datasheet4u.com/


Freescale Semiconductor Electronic Components Datasheet

MC33905 Datasheet

(MC33903 - MC33905) SBC Gen2

No Preview Available !

TABLE OF CONTENTS
TABLE OF CONTENTS
Simplified Application Diagrams ................................................................................................................. 3
Device Variations ....................................................................................................................................... 7
Internal Block Diagrams ............................................................................................................................. 9
Pin Connections ....................................................................................................................................... 11
Electrical Characteristics .......................................................................................................................... 17
Maximum Ratings .................................................................................................................................. 17
Static Electrical Characteristics ............................................................................................................. 19
Dynamic Electrical Characteristics ........................................................................................................ 27
Timing Diagrams ................................................................................................................................... 30
Functional Description .............................................................................................................................. 35
Introduction ............................................................................................................................................ 35
Functional Pin Description ..................................................................................................................... 35
Functional Device Operation .................................................................................................................... 39
Mode and State Description .................................................................................................................. 39
LP Modes .............................................................................................................................................. 40
State Diagram ........................................................................................................................................ 41
Mode Change ........................................................................................................................................ 42
Watchdog Operation .............................................................................................................................. 42
Functional Block Operation Versus Mode ............................................................................................. 44
Illustration of Device Mode Transitions. ................................................................................................. 45
Cyclic Sense Operation During LP Modes ............................................................................................ 47
Behavior at Power Up and Power Down ............................................................................................... 49
Fail-safe Operation ................................................................................................................................... 51
CAN Interface ........................................................................................................................................ 55
CAN Interface Description ..................................................................................................................... 55
CAN Bus Fault Diagnostic ..................................................................................................................... 58
LIN Block .................................................................................................................................................. 61
LIN Interface Description ....................................................................................................................... 61
LIN Operational Modes .......................................................................................................................... 61
Serial Peripheral Interface ........................................................................................................................ 63
High Level Overview .............................................................................................................................. 63
Detail Operation ..................................................................................................................................... 64
Detail of Control Bits And Register Mapping ......................................................................................... 67
Flags and Device Status ........................................................................................................................ 84
Typical Applications ................................................................................................................................. 91
Packaging ................................................................................................................................................ 99
33903/4/5
2
Analog Integrated Circuit Device Data
Freescale Semiconductor
Free Datasheet http://www.datasheet4u.com/


Part Number MC33905
Description (MC33903 - MC33905) SBC Gen2
Maker Freescale Semiconductor
Total Page 30 Pages
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