Renesas R5S72621 User Manual

Page of 2152
 
Section 26   USB 2.0 Host/Function Module 
R01UH0134EJ0400  Rev. 4.00  
 
Page 1433 of 2108 
Sep 24, 2014 
 
 
 
SH7262 Group, SH7264 Group 
Bit Bit 
Name 
Initial  
Value R/W  Description 
CNTMD 
R/W 
Continuous Transfer Mode 
Specifies whether to use the selected pipe in 
continuous transfer mode. 
0: Non-continuous transfer mode 
1: Continuous transfer mode 
This bit is valid when PIPE1 to PIPE5 are selected 
by the PIPESEL bits and bulk transfer is selected 
(TYPE = 01). 
Modify these bits while CSSTS is 0 and PID is NAK 
and before the pipe is selected by the CURPIPE bits.
To modify these bits after completing USB 
communication using the selected pipe, write 1 and 
then 0 to ACLRM continuously to clear the FIFO 
buffer assigned to the selected pipe while the 
CSSTS, PID, and CURPIPE bits are in the above-
described state. 
Before modifying these bits after modifying the PID 
bits for the selected pipe from BUF to NAK, check 
that CSSTS and PBUSY are 0. However, if the PID 
bits have been modified to NAK by this module, 
checking PBUSY is not necessary.