LPC3230 NXP [NXP Semiconductors], LPC3230 Datasheet - Page 59

• Manufacturer Part Number: LPC3230
• Description: 16/32-bit ARM microcontrollers; hardware floating-point coprocessor, USB On-The-Go, and EMC memory interface
• Manufacturer: NXP [NXP Semiconductors]

NXP Semiconductors
Table 16.
T
[1]
[2]
[3]
[4]
[5]
[6]
[7]
[8]
LPC3220_30_40_50_1
Preliminary data sheet
Symbol
t
t
t
t
t
t
t
t
t
t
CELREL
RC
REH
RHZ
RP
REHRBL
WB
WC
WH
WP
amb
T
CEA
W
W
R
RH = bitfield RD_HIGH [3:0] in register MLC_TIME_REG[15:12]
R
B
= 40 C to +85 C.
HCLK
D
L
HZ
L
H
= bitfield RD_LOW[3:0] in register MLC_TIME_REG[11:8]
= bitfield BUSY_DELAY[4:0] in register MLC_TIME_REG[23:19]
= bitfield WR_LOW[3:0] in register MLC_TIME_REG[3:0]
= bitfield WR_HIGH[3:0] in register MLC_TIME_REG[7:4]
= bitfield NAND_TA[2:0] in register MLC_TIME_REG[18:16]
D
= 1/HCLK
= bitfield TCEA_DELAY[1:0] in register MLC_TIME_REG[25:24]
Dynamic characteristics of the MLC NAND flash memory controller
Parameter
CE LOW to RE LOW time
RE cycle time
RE HIGH hold time
RE HIGH to output high-impedance time
RE pulse width
RE HIGH to R/B LOW time
WE HIGH to R/B LOW time
WE cycle time
WE HIGH hold time
WE pulse width
11.8 MLC NAND flash memory controller
Fig 15.
MLC NAND flash controller write timing (writing to NAND flash)
FLASH_RDY (R/B)
FLASH_IO[7:0]
FLASH_WR
FLASH_CE
Rev. 01 — 6 February 2009
[1][2]
[1][5][6]
[1][5][6]
[1][5][7]
[1][5]
[1][8]
[1][8]
[1][3][4]
[1][3][4]
[1][3]
Min
-
-
-
-
-
-
-
-
-
-
t
WP
t
D0
WC
t
Typ
T
T
T
T
T
T
T
T
T
T
WH
HCLK
HCLK
HCLK
HCLK
HCLK
HCLK
HCLK
HCLK
HCLK
HCLK
D1
CEA
(R
(R
(R
(R
B
B
(W
(W
(W
D
D
L
H
H
L
L
H
L
LPC3220/30/40/50
+ 1) + T
+ 1)
+ 1) + T
+ 1)
D
R
R
W
Dn
L
L
16/32-bit ARM microcontrollers
)
) + T
L
)
HCLK
HCLK
HCLK
10h
(R
(W
R
H
t
WB
HZ
H
© NXP B.V. 2009. All rights reserved.
R
002aae442
W
L
)
L
) -
Max
-
-
-
-
-
-
-
-
-
59 of 73
Unit
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns