44.4.1.4 USB OTG Control Register

Name: UOTGCON
Offset: 0x4070
Reset: 0x0
Property: -

Bit 3130292827262524 
          
Access  
Reset  
Bit 2322212019181716 
          
Access  
Reset  
Bit 15141312111098 
          
Access  
Reset  
Bit 76543210 
 DPPULUPDMPULUPDPPULDWNDMPULDWNVBUSONOTGENVBUSCHGVBUSDIS 
Access R/WR/WR/WR/WR/WR/WR/WR/W 
Reset 00000000 

Bit 7 – DPPULUP D+ Pull-Up Enable bit

ValueDescription
1 D+ data line pull-up resistor is enabled
0 D+ data line pull-up resistor is disabled

Bit 6 – DMPULUP D- Pull-Up Enable bit

ValueDescription
1 D- data line pull-up resistor is enabled
0 D- data line pull-up resistor is disabled

Bit 5 – DPPULDWN D+ Pull-Down Enable bit

ValueDescription
1 D+ data line pull-down resistor is enabled
0 D+ data line pull-down resistor is disabled

Bit 4 – DMPULDWN D- Pull-Down Enable bit

ValueDescription
1 D- data line pull-down resistor is enabled
0 D- data line pull-down resistor is disabled

Bit 3 – VBUSON  VBUS Power-on bit

Write a ‘1’ to this bit to clear the interrupt.

ValueDescription
1

VBUS line is powered

0

VBUS line is not powered

Bit 2 – OTGEN OTG Functionality Enable bit

ValueDescription
1 DPPULUP, DMPULUP, DPPULDWN and DMPULDWN bits are under software control
0 DPPULUP, DMPULUP, DPPULDWN and DMPULDWN bits are under USB hardware control

Bit 1 – VBUSCHG  VBUS Charge Enable bit

ValueDescription
1

VBUS line is charged through a pull-up resistor

0

VBUS line is not charged through a resistor

Bit 0 – VBUSDIS  VBUS Discharge Enable bit

ValueDescription
1

VBUS line is discharged through a pull-down resistor

0

VBUS line is not discharged through a resistor