4.13.4.1 OHCI Interrupt Configuration Register

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

Name: SFR_OHCIICR
Offset: 0x00
Reset: 0x00000000
Property: Read/Write

Bit 3130292827262524 
          
Access  
Reset  
Bit 2322212019181716 
 UDPPUDIS        
Access R/W 
Reset 0 
Bit 15141312111098 
      SUSPEND2SUSPEND1SUSPEND0 
Access R/WR/WR/W 
Reset 000 
Bit 76543210 
  RES2RES1RES0  APPSTARTARIE 
Access R/WR/WR/WR/WR/W 
Reset 00000 

Bit 23 – UDPPUDIS Reserved

Must write as ‘0’.

Bits 8, 9, 10 – SUSPENDx USB PORT x

Note:

Port 0 corresponds to Port A, Port 1 to Port B and Port 2 to Port C.

ValueDescription
0

Suspends controlled by EHCI-OCHI.

1

Forces the suspend for PORTx.

Bits 4, 5, 6 – RESx USB PORTx Reset

Note:

Port 0 corresponds to Port A, Port 1 to Port B and Port 2 to Port C.

ValueDescription
0

No effect (USB PORTx reset released, default value).

1

Resets USB PORTx.

Bit 1 – APPSTART Reserved

Must write as ‘0’.

Bit 0 – ARIE OHCI Asynchronous Resume Interrupt Enable

ValueDescription
0

Interrupt is disabled.

1

Interrupt is enabled.