Renesas R5S72621 Manual Do Utilizador

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Section 25   NAND Flash Memory Controller 
Page 1296 of 2108 
 
R01UH0134EJ0400  Rev. 4.00 
 
 Sep 
24, 
2014 
SH7262 Group, SH7264 Group
Bit Bit 
Name 
Initial 
Value R/W 
Description 
11, 10 
ACM[1:0] 
00 
R/W 
Access Mode Specification 1 and 0 
Specify access mode. 
00: Command access mode 
01: Sector access mode 
10: Setting prohibited 
11: Setting prohibited 
NANDWF
R/W 
NAND Wait Insertion Operation 
0: Performs address or data input/output in one FCLK 
cycle 
1: Performs address or data input/output in two FCLK 
cycles 
8 to 4 
 All 
Reserved 
These bits are always read as 0. The write value should 
always be 0. 
3 CE  0 
R/W 
Chip 
Enable 
0: Disables the chip (Outputs high level to the 
FCE pin) 
1: Enables the chip (Outputs low level to the 
FCE pin) 
2, 1 
 All 
Reserved 
These bits are always read as 0. The write value should 
always be 0. 
 1  R 
Reserved 
This bit is always read as 1. The write value should 
always be 1.