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ST33TPHF20SPI Fiches technique(PDF) 9 Page - STMicroelectronics

No de pièce ST33TPHF20SPI
Description  Trusted Platform Module
PDF  47 Pages
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Fabricant  STMICROELECTRONICS [STMicroelectronics]
Site Internet  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

ST33TPHF20SPI Fiches technique(HTML) 9 Page - STMicroelectronics

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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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