Renesas R5S72643 User Manual

Page of 2152
 
Section 26   USB 2.0 Host/Function Module 
R01UH0134EJ0400  Rev. 4.00  
 
Page 1391 of 2108 
Sep 24, 2014 
 
 
 
SH7262 Group, SH7264 Group 
Bit Bit 
Name 
Initial 
Value R/W Description 
13 SOFR 
R/W*
7
Frame Number Refresh Interrupt Status*
4
 
0: SOF interrupts not generated 
1: SOF interrupts generated 
(1) When the host controller function is selected 
This module sets this bit to 1 on updating the 
frame number when the UACT bit has been set 
to 1. (This interrupt is detected every 1 ms.) 
(2) When the function controller function is selected 
This module sets this bit to 1 on updating the 
frame number. (This interrupt is detected every 1 
ms.) 
This module can detect an SOFR interrupt 
through the internal interpolation function even 
when a damaged SOF packet is received from 
the USB host. 
12 DVST 
0/1*
1
 R/W*
7
Device State Transition Interrupt Status*
4
*
6
 
0: Device state transition interrupts not generated 
1: Device state transition interrupts generated 
When the function controller function is selected, this 
module updates the DVSQ value and sets this bit to 
1 on detecting a change in the device state.  
When this interrupt is generated, clear the status 
before this module detects the next device state 
transition.  
When the host controller function is selected, the 
read value is invalid.