FORMING A LOGICAL MICROCONTROLLER FROM AT LEAST TWO PHYSICAL MICROCONTROLLERS ON A COMMON SEMICONDUCTOR SUBSTRATE

• US 20170052519A1
• Filed: 02/24/2015
• Published: 02/23/2017
• Est. Priority Date: 04/30/2014
• Status: Active Application

• Current Assignee: Robert Bosch GmbH
• Original Assignee: Robert Bosch GmbH
• Inventors: Schmitt, Hans-Walter, Aue, Axel
• Application Number:
  US15/306,937
• Publication Number:
  US 20170052519A1
• Time in Patent Office: Days
• US Class Current: 1/1
• CPC Class Codes: G05B 19/0421 Multiprocessor system
• CPC Class Codes: G05B 2219/2224 Processor sends data to next, downstream processor
• CPC Class Codes: G05B 2219/45018 Car, auto, vehicle
• CPC Class Codes: G06F 13/4068 Electrical coupling
• CPC Class Codes: G06F 13/4204 on a parallel bus
• CPC Class Codes: G06F 13/4282 on a serial bus, e.g. I2C bus, SPI bus on daisy chain buses G06F13/4247

Abstract

A system of at least two microcontrollers on a common semiconductor substrate, each of the at least two microcontrollers respectively having one hardware interface, and the at least two microcontrollers being coupled in data-transmitting fashion via the hardware interfaces by a coupling device.

Claims

1-10. -10. (canceled)

11. A system, comprising:

at least two microcontrollers on a common semiconductor substrate, each of the at least two microcontrollers having respectively one hardware interface, and the at least two microcontrollers being coupled in data-transmitting fashion via the respective hardware interfaces by a coupling device.

12. The system as recited in claim 11, wherein the at least two microcontrollers each have the same range of functions.

13. The system as recited in claim 11, wherein one microcontroller of the at least two microcontrollers have a range of functions that is different from that of another microcontroller of the at least two microcontrollers.

14. The system as recited in claim 11, wherein the hardware interfaces being developed as bus interfaces.

15. The system as recited in claim 11, wherein the hardware interfaces are developed as parallel or serial interfaces.

16. The system as recited in claim 11, wherein the coupling device have one or multiple circuit traces.

17. The system as recited in claim 11, wherein the at least two microcontrollers are produced like a single microcontroller.

18. The system as recited in claim 11, wherein the system is designed in such a way that outwardly it behaves like a single microcontroller.

19. A processing unit, comprising:

a system including at least two microcontrollers on a common semiconductor substrate, each of the at least two microcontrollers having respectively one hardware interface, and the at least two microcontrollers being coupled in data-transmitting fashion via the respective hardware interfaces by a coupling device;

wherein the processing unit being designed to control an internal combustion engine.

20. A method of producing a system, the method comprising:

producing at least two microcontrollers on a common semiconductor substrate, each of the at least two microcontrollers having respectively one hardware interface, and the at least two microcontrollers being coupled in data-transmitting fashion via the respective hardware interfaces by a coupling device, the at least two microcontroller being produced like a single microcontroller.