Renesas R5S72643 User Manual

Page of 2152
 
Section 25   NAND Flash Memory Controller 
Page 1298 of 2108 
 
R01UH0134EJ0400  Rev. 4.00 
 
 Sep 
24, 
2014 
SH7262 Group, SH7264 Group
Bit Bit 
Name 
Initial 
Value R/W 
Description 
25 
CDSRC 
R/W 
Data Buffer Specification 
Specifies the data buffer to be read from or written to in 
the data stage in command access mode. 
0: Specifies FLDATAR as the data buffer. 
1: Specifies FLDTFIFO as the data buffer. 
24 
DOSR 
R/W 
Status Read Check 
Specifies whether or not the status read is performed 
after the second command has been issued in 
command access mode. 
0: Performs no status read 
1: Performs status read 
23, 22 
 All 
Reserved 
These bits are always read as 0. The write value should 
always be 0. 
21 SELRW 
R/W 
Data 
Read/Write Specification 
Specifies the direction of read or write in data stage. 
0: Read 
1: Write 
20 DOADR 
R/W 
Address 
Stage Execution Specification 
Specifies whether or not the address stage is executed 
in command access mode. 
0: Performs no address stage 
1: Performs address stage 
19, 18 
ADRCNT 
[1:0]
 
00 
R/W 
Address Issue Byte Count Specification [1:0] 
Specify the number of bytes for the address data to be 
issued in address stage. 
00: Issue 1-byte address 
01: Issue 2-byte address 
10: Issue 3-byte address 
11: Issue 4-byte address