Renesas R5S72622 User Manual

Page of 2152
 
Section 26   USB 2.0 Host/Function Module 
Page 1464 of 2108 
 
R01UH0134EJ0400  Rev. 4.00 
 
 Sep 
24, 
2014 
SH7262 Group, SH7264 Group
Table 26.14 (1)  Information Cleared by this Module by Setting ACLRM = 1 
No. 
Information Cleared by ACLRM Bit Manipulation 
All the information in the FIFO buffer assigned to the pertinent pipe  
When the host controller function is selected, the interval count value when the pertinent 
pipe is for isochronous transfer 
 
Table 26.14 (2)  Cases That Require Setting ACLRM to 1 
No. 
Cases in which Clearing the Information is Necessary 
When it is necessary to clear all the information assigned to the pertinent pipe from the 
FIFO buffer 
When the interval count value is to be reset 
When the BFRE setting is modified 
When the transaction count function is forcibly terminated 
 
26.3.37
  PIPEn Transaction Counter Enable Registers (PIPEnTRE) (n = 1 to 5) 
PIPEnTRE is a register that enables or disables the transaction counter corresponding to PIPE1 to 
PIPE5, and clears the transaction counter. 
This register is initialized by a power-on reset. 
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
0
Bit:
Initial value:
R/W:
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
R
R
R
R
R
R/W R/W*
1
R
R
R
R
R
R
R
R
R
TRENB TRCLR
 
 
Bit Bit 
Name 
Initial  
Value R/W  Description 
15 to 10 
 All 
Reserved 
These bits are always read as 0. The write value 
should always be 0.