USB-Serial CY7C65215/215A JTAG Pin Default States - KBA228951

Version 1

    Version: **

     

    Question:

    What are the default JTAG pin states on a USB-Serial CY7C65215/CY7C65215A device?

     

    Answer:

    CY7C65215/CY7C65215A supports a 5-pin JTAG in master mode for code flashing at 400 kHz.

    Note that JTAG on SCB1 cannot simultaneously operate with I2C, SPI, or UART on SCB0.

    Table 1 lists the JTAG pin configurations and their default states.

    Table 1. JTAG Pin Configurations

    JTAG Pin

    Configuration

    Default Value

    TMS

    Output

    Drive 0

    TCLK

    Output

    Drive 0

    TDI

    Output

    Drive 0

    TRST

    Output

    Drive 0

    TDO

    Input

    Floating