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RF430FRL152H: How do I lock the JTAG on the RF430FRL152H

Part Number: RF430FRL152H


I am trying to understand how to lock the JTAG port on the RF430FRL152H.  The firmware manual describes a JTAG password at address 0xf87d.  If this byte is not 0x39, the ROM code will switch these pins from JTAG function to GPIO.  I have tested this and the byte does have the intended effect.  However, at reset these pins are still being set to JTAG function.  So I can simply use the JTAG programmer to write the correct password and then debug the code in the unlocked state.  How do I configure the processor so that the JTAG pins are configured to GPIO function at reset?

Thank you.

Tom Herron