Electronic control apparatus
A technology of electronic control devices and controllers, applied in electrical control, engine control, electrical digital data processing, etc., can solve time-consuming problems, achieve cost reduction, size reduction, and achieve the effect of calibration
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[0028] Refer below Figure 1-7 An embodiment of the present invention is described in detail. In this example, if figure 1 As shown, it is assumed that a controlled object 11 such as an automobile engine is controlled by using an electronic control unit (ECU) 10 . That is, after the ECU 10 is installed in an automobile, calibration of control parameters as control data is performed in order to control each unit constituting the automobile.
[0029] The ECU 10 includes a CPU 10, a flash EEPROM 101 as a nonvolatile memory, and a calibration RAM 102 as a volatile memory. The ECU 10 also includes other not-shown devices such as a clock module and an A / D converter. The CPU 10 is configured to execute various programs stored in the flash EEPROM 101, the calibration RAM 102, and the like.
[0030] Flash EEPROM 101 includes data related to control commands and control parameters used by the ECU for control. The flash EEPROM 101 used in this embodiment has a storage capacity of 64...
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