Owners manual

Memory
H3 Datasheet(Revision1.2) Copyright© 2015 Allwinner Technology Co.,Ltd.All Rights Reserved. Page 353
Sync
Register
File
FIFO
RAM0
(256x32)
ECC
Control
AHB
Slave I/F
Command
FIFO
FIFO
Control
DMA & INT
Control
FIFO
RAM1
(256x32)
NAND Flash Basic Operation
Normal
Command
FSM
Spare
Command
FSM
Batch
Command
FSM
User Data
(8x32)
CE[7:0] CLE ALE WE RE RB[1:0] DO[7:0] DI[7:0]
nfc_clk
domain
ahb_clk
domain
Figure 5-1. NDFC Block Diagram
5.2.3. NDFC Timing Diagram
Typically, there are two kinds of serial access method. One method is conventional method which fetching data at the
rise edge of NDFC_RE# signal line. Another one is EDO type which fetching data at the next fall edge of NDFC_RE# signal
line.
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