Body Control Module (BCM) - NXP

1 TMFreescale Semiconductor Confidential and Proprietary Information. Freescale and the Freescale logo aretrademarksof Freescale Semiconductor, Inc. All other product or service names are the property of their respective owners. Freescale Semiconductor, Inc. Control Module (BCM)August, 2009 Tania MartinezField Application Engineer - AutomotiveTMFreescale Semiconductor Confidential and Proprietary Information. Freescale and the Freescale logo aretrademarksof Freescale Semiconductor, Inc. All other product or service names are the property of their respective owners. Freescale Semiconductor, Inc. body Electronics Challenges BCM Overview Freescale Solutions Networking BCM Example Where can I find more information?

2 Q&ATMF reescale Semiconductor Confidential and Proprietary Information. Freescale and the Freescale logo aretrademarksof Freescale Semiconductor, Inc. All other product or service names are the property of their respective owners. Freescale Semiconductor, Inc. Electronics ChallengesTMFreescale Semiconductor Confidential and Proprietary Information. Freescale and the Freescale logo aretrademarksof Freescale Semiconductor, Inc. All other product or service names are the property of their respective owners. Freescale Semiconductor, Inc. More IntegrationBenefits: Less modules, less cables Reduced weight, fuel efficiency Reduced manufacturing costs Better quality Lower total cost of ownershipCAN GatewayBody Controller (interior features + lighting)RF Receiver (key, tires)Central body Domain ControllerFuses Box ReplacementTMFreescale Semiconductor Confidential and Proprietary Information.

3 Freescale and the Freescale logo are trademarksof Freescale Semiconductor, Inc. All other product or service names are the property of their respective owners. Freescale Semiconductor, Inc. of higher integration Increased performance needs Use of I/O processor to offload interrupt handling (eg S12XE, MPC5510) More sophisticated software architectures ( AUTOSAR) Increased number of I/O (A/D and timer channels): Use eSwitches using an SPI to save PWM channels and A/D inputs Stay with cost effective QFP packages Development cycle of more complex modules Rapid prototyping, use of model based design Off-the-shelf low-level drivers ( AUTOSAR MCAL Layer from FSL) Initialization tools to help configure more complex MCUs ( RAppID) Power Consumption in both run and sleep modes Need advanced low-power modes ( S12XE and MPC5510) Use smart analog chips with wake-up features ( MSDI, Romeo3)TMFreescale Semiconductor Confidential and Proprietary Information.

4 Freescale and the Freescale logo aretrademarksof Freescale Semiconductor, Inc. All other product or service names are the property of their respective owners. Freescale Semiconductor, Inc. vs Distributed Centralized architectures refer to fewer modules with more functionality than distributed architectures featuring smaller modules with more communication interfaces Benefits as perceived by Freescale:Centralized Architectures: Simpler networking More cost effective for low-end cars Optimized number of ECUsDistributed Architectures: Greatest flexibility w/ car options Designed for reuse and scalability Facilitates power cables routingTMFreescale Semiconductor Confidential and Proprietary Information.

5 Freescale and the Freescale logo aretrademarksof Freescale Semiconductor, Inc. All other product or service names are the property of their respective owners. Freescale Semiconductor, Inc. OverviewTMFreescale Semiconductor Confidential and Proprietary Information. Freescale and the Freescale logo aretrademarksof Freescale Semiconductor, Inc. All other product or service names are the property of their respective owners. Freescale Semiconductor, Inc. Overview body Control electronics cover a wide range of comfort, security, lighting and access technologies,inside and outside the passenger cabinTMFreescale Semiconductor Confidential and Proprietary Information.

6 Freescale and the Freescale logo are trademarksof Freescale Semiconductor, Inc. All other product or service names are the property of their respective owners. Freescale Semiconductor, Inc. End BCM - Block DiagramMCUS12 XEFamily2 RKERKE ReceiverWiper Motor2 Washer Motor1 Ignition Key Position4 Exterior Light Switch6 Wiper Switch4 Interior Light Switch1 Power Window Switch8* Total IO - 55 Central Lock Switch1 Rear Window Defrost Switch1 Door Ajar Status1 Driver Seat Belt indicator18 Power Window RelayTurn Lamp / Hazard2Lo/Hi Beam & Side light3 Interior /Salute light2 Rear Defrost Relay1 Central Lock Relay2 Alarm Beeper1 Power Window disable0 Wiper intermittent adjust1 Input32 Output22 IGNCANDoorWindowLightWiperDoorWindowLigh tWiperCurrent Protection4 AlarmCAN SBCMC33742+12V+5V7 TMFreescale Semiconductor Confidential and Proprietary

7 Information. Freescale and the Freescale logo are trademarksof Freescale Semiconductor, Inc. All other product or service names are the property of their respective owners. Freescale Semiconductor, Inc. HSD35m HSD35m HSD35m HSDSPI/Diag/WdogLIN TcvrLIN TcvrLIN TcvrHigh End BCM Example diagramLIN TcvrCAN TcvrCAN TcvrCAN TcvrCAN TcvrCAN TcvrVreg1 Vreg2 WatchdogWake-up inputsHigh side driverSBC - MC337424x MC336614x MC33902 Flexray Tcvr Switch detection interfaceFlexray Tcvr Switch detection interface2x MC3397244 Switch HSD/LSDMC33879 8 HSD/LSDSPI / HSD15m HSD15m HSD15m HSD10m HSD10m HSD12m HSD12m HSDSPI/Diag/Wdog3x Quad eSwitch12 High side drivers e200z1 Core80 MHze200z0 Core80 MHzPeripheral BridgeFCUF lash (ECC) (ECC)

8 64KB-80 KBVREGeDMAFlexRayFMPLLO scillatorseMIOSADC3xDSPII CSIU6xFlexCANBAMPITEBIC rossbar Switch (XBAR)Memory Protection Unit (MPU)NDIJTAGINTC6x eSCIMPC55161x SPI5x GPIO3x PWM (Optional) PWMRF transceiver Echo+H-bridgeShared INT2x (TX & RX)12x GPIO (EN, STB, ERR)Wake signalsWakeWake1xSPI (Shared) (TX & RX)4xGPIO (EN)1x FlexrayTMFreescale Semiconductor Confidential and Proprietary Information. Freescale and the Freescale logo aretrademarksof Freescale Semiconductor, Inc. All other product or service names are the property of their respective owners. Freescale Semiconductor, Inc. SolutionsTMFreescale Semiconductor Confidential and Proprietary Information.

9 Freescale and the Freescale logo aretrademarksof Freescale Semiconductor, Inc. All other product or service names are the property of their respective owners. Freescale Semiconductor, Inc. P/LLIN P/LLIN P/LLIN P/LGeneric body Control Module Communication and power supplyOutput blocksProcessing blockInput / Output blocksVregCAN P/LWatchdogCANW akeupS08S12 XMPC55 XXMPC560 XSPISPIM otor driversCommunication+ power supplyLIN P/LCAN P/LCANLINS witch inputsAnalog inputsHigh side driversLow side driversFactors to consider: Amount of physical layer communications channels required. PCB space available. Power supply partitioning on the Module . Low power requirements of the Module .

10 Diagnostics required for the communication Semiconductor Confidential and Proprietary Information. Freescale and the Freescale logo aretrademarksof Freescale Semiconductor, Inc. All other product or service names are the property of their respective owners. Freescale Semiconductor, Inc. + Power Supply (SBC System Basis Chip)ECU_AECU_BECU_DRFNo low power modeLow / medium complexityCAN & local wake-upHigh wake upPeriodic scan (wake up) MCUVddCAN P/LVregBUSINHCAN P/LVregVbatCAN+VregMCUVddBUSECU_CLIN_aCA N_2 MCUVddVbatRST/INTCAN P/LSWVregOSCBUSSBCMSDICAN_2 LINRFECU: A & BECU: B (partial A & C)ECU: C, D (partial B)LIN-bMedium/high complexityCAN, LIN wake-upLow power modes attributes Low consumption.