TMP92CF30
2009-06-12
92CF30-235
3.11.8 An Example of Connections with NAND Flash
Note 1: A reset sets the
NDRE
and
NDWE
pins as input ports, so pull-up resistors are needed.
Note 2: The pull-up resistor value for the NDR/B pin must be set appropriately according to the NAND Flash memory
to be used and the capacity of the board (typical: 2 k
Ω
).
Note 3: The
WP
(Write Protect) pin of NAND Flash is not supported. When this function is needed, prepare it on an
external circuit.
Figure3.11.10 An Example of Connections with NAND Flash
NDCLE
NDALE
NDRE
NDWE
NDR/B
D[15:0]
CE
0
ND
CE
1
ND
TMP92CF30
CLE
ALE
RE
WE
R/B (open drain)
I/O[15:0]
CE WP
NAND-Flash-0
CLE
ALE
RE
WE
R/B (open drain)
I/O[7:0]
CE WP
NAND-Flash-1
External circuits for Write-protect
2k
Ω
100k
Ω
Содержание TLCS-900/H1 Series
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