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ST33TPHF20SPI датащи(PDF) 9 Page - STMicroelectronics |
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ST33TPHF20SPI датащи(HTML) 9 Page - STMicroelectronics |
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9 / 47 page ![]() FIPS140-2 SECURITY POLICY Page 9 of 47 NON-PROPRIETARY DOCUMENT Next table gives a description of the products pins. Table 6: ST33TPHF20 Pin definition (SPI configuration) Signal Type Description VPS Input Power supply. This pin must be connected to 1.8V or 3.3V DC power rail supplied by the motherboard. GND Input GND has to be connected to the main motherboard ground. SPI_RST Input SPI Reset used to re-initialize the device MISO Output SPI Master Input, Slave Output (output from slave) MOSI Input SPI Master Output, Slave Input (output from master) SPI_CLK Input SPI serial clock (output from master) SPI_CS Input SPI slave select (active low; output from master) SPI_PIRQ Output SPI IRQ used by TPM to generate an interrupt PP Input Physical presence, active high, internal pull-down. Used to indicate Physical Presence to the TPM. NiC - Not internally connected: not connected to the die. May be left unconnected but no impact on TPM if connected. NC - Not Connected: connected to the die but not usable. May be left unconnected. Internal pull-down. |
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