On-board Module

ST33KTPM2X, ST’ STSAFE-TPM trusted platform module 2.0

Host interface

I²C (default), SPI

Compatibility

mikroBUS™

Click Board Size

S (28.6 x 25.4mm)

Input Voltage

3.3V

Description

Min

Type

Max

Unit

Supply Voltage

3.0

3.3

3.6

V

I²C Interface Speed

0

-

1000

kHz

SPI Interface Speed

-

-

66

MHz

Operation Temperature Range

-40

25

105

°C

Current Consumption  @ Run

-

17.5

-

mA

Current Consumption  @ Standby

-

30

-

µA

Notes

Pin

Pin

Notes

NC

1

AN

PWM

16

PP

Physical Presence, active high, internal pull-down. Used to indicate Physical Presence to the TPM.

Reset

nRST

2

RST

INT

15

nIRQ

TPM interrupt request to the host, active low

NC by default, optional SPI Chip (or Slave) Select

CS

3

CS

RX

14

NC

NC by default, optional SPI Serial Clock

SCK

4

SCK

TX

13

NC

NC by default, optional SPI Master Input, Slave Output

MISO

5

MISO

SCL

12

SCL

I²C Clock

 NC by default, optional SPI Master Output, Slave Input

MOSI

6

MOSI

SDA

11

SDA

I²C Data

Power Supply

3.3V

7

3.3V

5V

10

NC

Ground

GND

8

GND

GND

9

GND

Ground

Label

Name

State

Description

SPI SEL

JP1

Open (Default)

I²C interface is selected

Closed

SPI is selected. R3-R6 and C1 must be installed to provide SPI connectivity.