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поискавой системы для электроныых деталей |
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поискавой системы для электроныых деталей |
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STA1080 датащи(PDF) 20 Page - STMicroelectronics |
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STA1080 датащи(HTML) 20 Page - STMicroelectronics |
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20 / 127 page  Signal description STA108x, STA109x 20/127 DS13319 Rev 2 3 Signal description 3.1 Functional signal list 3.1.1 System and power management Table 3. System and power management Name GPIOs Balls DIR Power domain Description CLKOUT0 M3_GPIO13 A12 O VDD_IO Programmable clock output 0. CLKOUT1 GPIO49 F5 O VDD_IO Programmable clock output 1. DEBUGCFG M3_GPIO13 A12 I VDD_IO DBGCFG. This pin is latched on the rising edge of POR reset to define the target connected by default to the JTAG . 0b: Cortex-M3 1b: Cortex-R4 After reset this pin can be used as GPIO. JTAGSEL - E11 T VDD_IO Test Signal. It selects whether the JTAG is used for ATE test or as debug port. Connect it to GND in the application (debug port). M3_CLK32KOUT - D13 O VDD_IO_AON Output 32 kHz clock. M3_IGNKEY - A15 I VDD_IO_AON PMU Ignition Key signal. Used by PMU to change the state of the system. M3_LVI - B14 I VDD_IO_AON PMU Low Voltage Indication. Used by PMU to change the state of the system (Normal, Standby). M3_ONOFF - A13 I VDD_IO_AON PMU ON/OFF. Connect it to the On/off Car Radio push button. M3_PWREN - B15 O VDD_IO_AON PMU Power Enable. Used by the PMU to enable external voltage regulator, when moving out of Standby state. M3_SXTALI - C14 I VDD_IO_AON Crystal input. 32 kHz RTC clock. M3_SXTALO - D14 O VDD_IO_AON Crystal output. M3_VDDOK - A14 I VDD_IO_AON PMU VDDOK. This signal is used by the PMU to detect if the external power is valid. The PMU moves to Normal state if VDDOK=1. MXTALI - N19 I VDD_IO Crystal input. 24/26MHz crystal. MXTALO - N18 O VDD_IO Crystal output. OTP_FUSE_HV - A1 P Power OTP programming voltage. Leave it floating in the application. |
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