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поискавой системы для электроныых деталей |
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поискавой системы для электроныых деталей |
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ST7MC1K2-Auto датащи(PDF) 334 Page - STMicroelectronics |
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ST7MC1K2-Auto датащи(HTML) 334 Page - STMicroelectronics |
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334 / 371 page  Obsolete Product(s) - Obsolete Product(s) Electrical characteristics ST7MC1K2-Auto, ST7MC1K6-Auto, ST7MC2S4-Auto, ST7MC2S6-Auto 334/371 Figure 146. RESET pin protection when LVD is disabled(1) 1. - The reset network protects the device against parasitic resets. - The output of the external reset circuit must have an open-drain output to drive the ST7 reset pad. Otherwise the device can be damaged when the ST7 generates an internal reset (LVD, illegal opcode or watchdog). - Whatever the reset source is (internal or external), the user must ensure that the level on the RESET pin can go below the VIL max. level specified in Section 12.9.1: Asynchronous RESET pin on page 332. Otherwise the reset is not taken into account internally. - Because the reset circuit is designed to allow the internal RESET to be output in the RESET pin, the user must ensure that the current sunk on the RESET pin is less than the absolute maximum value specified for IINJ(RESET) in Section 12.2.2: Current characteristics on page 314. 2. Please refer to Section 11.2.2: Illegal opcode reset on page 309 for more details on illegal opcode reset conditions 12.9.2 ICCSEL/VPP pin Subject to general operating conditions for VDD, fOSC, and TA unless otherwise specified. Figure 147. Two typical applications with VPP pin (1) 1. When the ICC mode is not required by the application, the ICCSEL/VPP pin must be tied to VSS. Table 212. ICCSEL/VPP pin Symbol Parameter Conditions Min Max Unit VIL Input low level voltage(1) 1. Data based on design simulation and/or technology characteristics, not tested in production. VSS 0.2 V VIH Input high level voltage(1)(2) 2. VPP is also used to program the Flash (refer to the Flash characteristics). ICC mode entry VDD - 0.1 12.6 IL Input leakage current VIN =VSS ±1 µA 0.01µF external reset circuit User Required Pulse generator Filter RON VDD Watchdog Internal reset Illegal opcode(2) ST7MC1K2-Auto ST7MC1K6-Auto ST7MC2S4-Auto ST7MC2S6-Auto ICCSEL/VPP 10k Ω Programming tool VPP ST7MC1K2-Auto ST7MC1K6-Auto ST7MC2S4-Auto ST7MC2S6-Auto ST7MC1K2-Auto ST7MC1K6-Auto ST7MC2S4-Auto ST7MC2S6-Auto Obsolete Product(s) - Obsolete Product(s) |
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