LPC3230 NXP [NXP Semiconductors], LPC3230 Datasheet - Page 51

• 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 10.
C
[1]
[2]
[3]
[4]
[5]
[6]
[7]
[8]
LPC3220_30_40_50_1
Preliminary data sheet
Symbol
t
t
t
t
t
t
WELWEH
BLSLBLSH
WEHANV
WEHDNV
BLSHANV
BLSHDNV
Fig 5.
L
= 25 pF, T
V
V
T
Refer to the LPC32x0 user manual EMCStaticWaitOen0-3 register for the programming of WAITOEN value.
Refer to the LPC32x0 user manual EMCStaticWaitRd0-3 register for the programming of WAITRD value.
Refer to the LPC32x0 user manual EMCStaticWaitWen0-3 register for the programming of WAITWEN value.
Refer to the LPC32x0 user manual EMCStaticWaitWr0-3 register for the programming of WAITWR value.
Earliest of CS HIGH, OE HIGH, address change to data invalid.
CLCL
OH
IH
= 0.7 x V
= V
= 1/HCLK
External memory read access
DD(EMC)
Dynamic characteristics: static external memory interface
Parameter
WE LOW to WE HIGH time
BLS LOW to BLS HIGH time
WE HIGH to address invalid time
WE HIGH to data invalid time
BLS HIGH to address invalid time
BLS HIGH to data invalid time
EMC_BLS[3:0]
amb
EMC_CS[3:0]
EMC_D[31:0]
EMC_A[23:0]
DD(EMC)
= 20 C, V
EMC_OE
0.3, V
, V
IL
OL
= 0.3 x V
DD(EMC)
= 0.3 V.
t
t
BLSLAV
OELAV
DD(EMC)
= 1.8 V.
V.
t
CSLAV
t
CSLBLSL
Rev. 01 — 6 February 2009
t
CSLOEL
Notes Min
[6][7]
[6][7]
t
t
BLSLBLSH
OELOEH
-
-
-
-
-
-
Typ
(WAITWR
(WAITWR
1
1
1
1
t
…continued
T
T
T
T
su(DQ)
CLCL
CLCL
CLCL
CLCL
t
CSHBLSH
t
LPC3220/30/40/50
CSHOEH
WAITWEN + 1)
WAITWEN + 1)
16/32-bit ARM microcontrollers
t
h(DQ)
t
002aae402
BLSHANV
t
OEHANV
T
T
CLCL
CLCL
© NXP B.V. 2009. All rights reserved.
Max
-
-
-
-
-
-
51 of 73
Unit
ns
ns
ns
ns
ns
ns