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поискавой системы для электроныых деталей |
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поискавой системы для электроныых деталей |
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RM0345 датащи(PDF) 7 Page - STMicroelectronics |
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RM0345 датащи(HTML) 7 Page - STMicroelectronics |
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7 / 38 page  RM0345 Power supply Doc ID 024080 Rev 3 7/38 2 Power supply The Calibration boards requires a +5 V to supply the on board CAN transceiver and a +3.3 V to supply the SPC563M64xx calibration bus interface and for the external RAM. The 3.3 V supply is generated on the SPC563M64CAL144 (rev.B) via the very low drop voltage regulator by using the +5V. A LED (D1) will light when the board is powered. Figure 2. Power supply By default the 5V is taken from the target application through the VDDREG supply level (supply input for the internal voltage regulators of the SPC563M64xx). Gauge J14 enables the powering from the application board. Table 2 shows its option configuration. In case that no additional power loading could be applied to the application system during calibration, the +5V can be supplied externally via J4 connector (+5V test point, see Figure 4) and the gauge J14 (see Figure 3) must be open. |
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