Altera cyclone V Technical Reference page 886

cv_5v4
2016.10.28
read_mode Fields
Bit Name
3:0
value
NAND Flash Controller
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Description
The values in the field should be as follows:
• 4'h0 - This value informs the controller that the pipe
read sequence to follow is of a normal read. For 512
byte page devices, Normal read sequence is, C00,
Address, Data, ..... For devices with page size greater
that 512 bytes, the sequence is, C00, Address, C30,
Data.....
• 4'h1 - This value informs the controller that the pipe
read sequence to follow is of a Cache Read with the
following sequence, C00, Address, C30, C31, Data,
C31, Data, ....., C3F, Data.
• 4'h2 - This value informs the controller that the pipe
read sequence to follow is of a Cache Read with the
following sequence, C00, Address, C31, Data,
Data, ....., C34.
• 4'h3 - This value informs the controller that the pipe
read sequence to follow is of a 'N' Plane Read with
the following sequence, C00, Address, C00, Address,
C30, Data, C06, Address, CE0, Data.....
• 4'h4 - This value informs the controller that the pipe
read sequence to follow is of a 'N' Plane Read with
the following sequence, C60, Address, C60, Address,
C30, C00, Address, C05, Address, CE0, Data, C00,
Address, C05, Address, CE0, Data.....
• 4'h5 - This value informs the controller that the pipe
read sequence to follow is of a 'N' Plane Cache Read
with the following sequence, C60, Address, C60,
Address, C30, C31, C00, Address, C05, Address,
CE0, Data, C00, Address, C05, Address, CE0,
Data, ....., C3F, C00, Address, C05, Address, CE0,
Data, C00, Address, C05, Address, CE0, Data
• 4'h6 - This value informs the controller that the pipe
read sequence to follow is of a 'N' Plane Read with
the following sequence, C00, Address, C32, .., C00,
Address, C30, C06, Address, CE0, Data, C06,
Address, CE0, Data,....
• 4'h7 - This value informs the controller that the pipe
read sequence to follow is of a 'N' Plane Cache Read
with the following sequence, C00, Address, C32,...,
C00, Address, C30, C31,C06, Address, CE0, Data,
C31, C06, Address, CE0, Data, C3F, C06, Address,
CE0, Data....
• 4'h8 - This value informs the controller that the pipe
read sequence to follow is of a 'N' Plane Cache Read
with the following sequence, C60, Address, C60,
Address, C33, C31, C00, Address, C05, Address,
CE0, Data, C00, Address, C05, Address, CE0,
Data, ....., C3F, C00, Address, C05, Address, CE0,
Data, C00, Address, C05, Address, CE0, Data
• [*]4'h9 - 4'h15 - Reserved.
indicates that the previous sequence is repeated till the
last page.
13-65
read_mode
Access Reset
RW 0x0
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