I have a setting to disable the IRQ and FIQ of user mode of CPSR register.
Then, usb_ctrl1 register of cm_pwrdn (bit0) and otg_pwrdn (bit1) was no longer write.
why not?
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I have a setting to disable the IRQ and FIQ of user mode of CPSR register.
Then, usb_ctrl1 register of cm_pwrdn (bit0) and otg_pwrdn (bit1) was no longer write.
why not?
Hi,
Can you please post which processor and which software/version you are using?