CKGR_UCKR

PMC UTMI Clock Configuration Register

This register can only be written if the WPEN bit is cleared in the PMC Write Protection Mode Register.

  0x001C 32 Read/Write 0x10200800  

PMC UTMI Clock Configuration Register

Bit  31 30 29 28 27 26 25 24  
                   
Access                   
Reset                   
Bit  23 22 21 20 19 18 17 16  
  UPLLCOUNT[3:0]       UPLLEN  
Access                   
Reset  0 0 1 0       0  
Bit  15 14 13 12 11 10 9 8  
                   
Access                   
Reset                   
Bit  7 6 5 4 3 2 1 0  
                   
Access                   
Reset                   

Bit 16 – UPLLEN: UTMI PLL Enable

UTMI PLL Enable

When UPLLEN is set, the LOCKU flag is set once the UTMI PLL startup time is achieved.

ValueDescription
0

The UTMI PLL is disabled.

1

The UTMI PLL is enabled.

Bits 23:20 – UPLLCOUNT[3:0]: UTMI PLL Startup Time

UTMI PLL Startup Time

Specifies the number of SLCK cycles multiplied by 8 for the UTMI PLL startup time.