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Processors Analysis and Count

Our analysis and count of processors covers common modules and components of the Model S and X.  This list is based on our analysis of the vehicles and various public documents. It’s likely some processors shown on this may be merged into a single module. For example, the FOB Receiver may be part of the Security Module.

NVIDIA Tegra 3 CPU board

NVIDIA Tegra 3 CPU board

NameAreaNotesSetsCPUsSub-total
ABS (Anti-lock Braking)?111
AC Motor Inverter/ChargerRear122
Active Cruise Control?Cars built after 14-Sep-2014111
Air Suspension?Continental111
AM/FM/HD radioDashPanasonic111
Audio SystemDashPIC18f2550111
Auto Pilot 1 Camera CPU*WindshieldMobileye EyeQ3111
Auto Pilot 1 Processor*WindshieldFreescale SPC5603111
Auto Pilot 2 Processors*NvidiaPx2 & one Freescale122
Battery Sub-ModuleBattery16 in 85/90 kWh, 14 in 60/70 kWh models16116
BluetoothDash111
Charger ModuleRear Seat1-Standard, 2-optional212
Connectivity – 3G/LTEDashSierra Wireless AR8550 (3G),  later AR755X (LTE)111
Door Handle ControllerDoors414
Folding Mirror Controller?111
FOB Receiver?111
GPS?111
HVAC (Heating/Air Conditioning)DashUPD70F3628GCA 32-Bit MCU111
Homelink?Johnson Controls111
Instrument DisplayDashNvidia Tegra 2111
Main Display, 17″DashNvidia Tegra 3111
Mobile ChargerExternal111
Parking Brake?TI TMS320F28034PNQ 32-Bit MCU111
Parking Sensors?111
Power SteeringFrontZF Lenksysteme111
Rear CameraRearOmniVision111
Rear Power LiftgateRearMC9S12XEP100CAG 16-Bit MCU111
Rear TaillightsRear212
Safety Restraints Controller?111
Seat ControllerSeatsFisher Dynamics212
Security module?111
Side Window ControllersSidesInteva Products414
Sunroof controller?Freescale MC33742PEG111
Thermal Controller?Freescale C9S12XEP100MAG 16-Bit MCU111
TPMS (Tire Pressure Monitoring)RearBaolong (early cars) Continental (later)111
Traction Control?111
Body Control Unit?Freescale MC9S12XEP100CAG 16-Bit MCU122
Wiper control w/rain detectFront111
XM SatelliteDash111
Total CPUs65

* Total only include AP1 (not both AP1 and AP2 processors). AP2 also includes a GPU, not shown.

2 thoughts on “Processors Analysis and Count

  1. Aliey says:

    How many of the controllers are connected to CAN bus? And what protocol had been used?

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