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поискавой системы для электроныых деталей |
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поискавой системы для электроныых деталей |
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L6460 датащи(PDF) 40 Page - STMicroelectronics |
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L6460 датащи(HTML) 40 Page - STMicroelectronics |
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40 / 139 page  Start-up configurations L6460 40/139 Doc ID 17713 Rev 1 8.2 Basic device mode The basic device mode is selected by leaving the GPIO[0] pin floating. In this mode L6460 doesn’t use GPIO[3] and GPIO[4] as configuration pins, leaving them free for other uses. When in this mode the regulators included in the start up sequence (except VSWmain) are considered as system regulators and they start in the following sequence: 1. Auxiliary switching regulator1 (VAUX1_SW). 2. Auxiliary switching regulator2 (VAUX2_SW). 3. Main linear regulator (VSWmain). 4. Main switching regulator (VSWmain) (Not system regulator). Table 9. Start-up correspondence Pin state(1) 1. “X” means “don’t care”. Major mode Minor mode(2) 2. The description of these modes is in the following Chapter 8.6 GPIO[0] GPIO[3] GPIO[4] ZX X Basic 000 Single Bridge 0 0 Z Primary regulator 001 Regulators 0 Z 0 Simple regulator 0 Z Z Bridge + VEXT (3) 3. VEXT is the regulator output voltage obtained using the switching regulator controller with external FET. 0 Z 1 Secondary regulators 010 Master Bridge 0 1 Z Primary regulator 011 Regulators 1 0 0 Simple regulator 1 0 Z Bridge + VEXT (3) 1 0 1 Secondary regulators 1Z0 Slave Bridge 1 Z Z Primary regulator 1 Z 1 Regulators 1 1 0 Simple regulator 1 1 Z Bridge + VEXT (3) 1 1 1 Secondary regulators. |
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