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Thread: Getting Responce 0x01 from Iridium SLB9670 TPM 2.0 Chip with NXP5748G DEVKIT

  1. #1
    New Member New Member yogeshrt is on a distinguished road
    Join Date
    Nov 2018

    Getting Responce 0x01 from Iridium SLB9670 TPM 2.0 Chip with NXP5748G DEVKIT

    Hardware Setup:
    Infineon Iridium SLB 9670 TPM 2.0 interface with NXP MPC5748G via SPI
    Software Setup:
    S32 IDE with FreeRTOS

    we have connected NXP MPC5748G as a master and Iridium SLB 9670 TPM 2.0 as a slave.
    Connection are as below mentioned:

    NXP MPC5748G Iridium SLB 9670 PIN
    MOSI 19
    MISO 21
    CLK 23
    Chip selc 26
    Vcc (3.3 V) 1
    GND 6

    SPI specification:
    1. Baudrate 5000000
    2. Mode 0

    But we are facing following problems.
    1. We are not getting response as TPM_ACCESS_VALID(0x80) from SLB9670 in Startup-wait implementation
    2. Not getting vendor id for command TPM_DID_VID( 83 D4 0F 00 00 00 00 00 )

    Could you please share your comment on the above issues.
    Thanks in advance.

  2. #2
    New Member New Member Randy_Wang is on a distinguished road
    Join Date
    Nov 2018
    Hi Yogeshry,
    I have the same issue as yours.
    I have connected NXP LS1043ARDB with Iridium SLB9670 in ubuntu16.04
    and can't get response 0x80 from TPM.
    if you have any solutions for it , please let me know.

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