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SLB9665VQ2.0 Datasheet(PDF) 11 Page - Infineon Technologies AG |
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SLB9665VQ2.0 Datasheet(HTML) 11 Page - Infineon Technologies AG |
11 / 24 page Data Sheet 11 Revision 1.0 2015-10-27 SLB 9665 TPM2.0 Trusted Platform Module Pin Description 21 22 LCLK I ST Clock Input This pin provides the external clock for the chip and is typically connected to the PCI clock of the host. The clock frequency range is 1 MHz - 33 MHz (nominal). 16 18 LRESET# I ST Reset External reset signal. Asserting this pin unconditionally resets the device. The signal is active low and is typically connected to the PCIRST# signal of the host. 6 2 GPIO I/O OD General Purpose I/O This pin is a general purpose I/O pin. It is defined as GPIO-Express-00, please refer to [4] and the PCI-SIG ECN “Trusted Configuration Space for PCI Express”. This pin may be left unconnected; however, to minimize power consumption, it shall be connected to a fixed level (either GND or VDD) via an external resistor (4.7 kΩ..10 kΩ). 731 PP I ST Physical Presence This pin indicates physical presence; for usage of this signal, please refer to the TCG specification v1.2. The TPM 2.0 device does not use this functionality. For compatibility reasons (downgrade capability to a TPM 1.2), the pin should be connected to a jumper. The standard position of the jumper should connect the pin to GND. If the pin is connected to VDD, some special commands are enabled for a TPM 1.2. This pin does not have an internal pull-up or pull- down resistor and must not be left floating. 27 28 SERIRQ I/O TS Serial Interrupt Request Interrupt request signal, uses the serial interrupt request protocol (see [2]). Connect to the LPC host. Table 4-2 I/O Signals (continued) Pin Number Name Pin Type Buffer Type Function PG-TSSOP- 28-2 PG-VQFN- 32-13 |
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