Hello,everyone:
I am using tms320vc5502. In datasheet that is described :The XBSR configures the Parallel Port Mux and the Host Port Mux at reset based on the state of theGPIO6 pin at reset. When GPIO6 is high at reset, the Parallel Port Mux will be configured to support the 32-bit EMIF and the Host Port Mux will be configured to support the HPI in 8-bit (multiplexed) mode. When GPIO6 is low at reset, the Parallel Port Mux will be configured to support the HPI in 16-bit (non-multiplexed) mode and parallel general-purpose I/O (PGPIO) and the Host Port Mux will be configured to support parallel general-purpose I/O. The Paralle/Host Port Mux Mode bit of the XBSR will reflect the mode selected for the Parallel and Host Port Muxes.
The question is I have set gpio6 to low at reset,but I can't configure the pin to pgpio. When I read the register XBSR, the value is always 0x0001, whether I set the gpio6 to hight or low.
thanks!
regards,
bob