LPC3230 NXP [NXP Semiconductors], LPC3230 Datasheet - Page 50

• 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
11. Dynamic characteristics
Table 9.
T
[1]
[2]
[3]
Table 10.
C
LPC3220_30_40_50_1
Preliminary data sheet
Symbol
Reset
t
External clock
f
Port pins
t
t
Symbol
Common to read and write cycles
T
t
Read cycle parameters
t
t
t
t
t
t
t
t
t
t
t
t
Write cycle parameters
t
t
t
t
w(RESET)ext
ext
r
f
CSLAV
OELAV
BLSLAV
CSLOEL
CSLBLSL
OELOEH
BLSLBLSH
su(DQ)
h(DQ)
CSHOEH
CSHBLSH
OEHANV
BLSHANV
CSLDV
CSLWEL
CSLBLSL
WELDV
amb
L
CLCL
= 25 pF, T
Parameters are valid over operating temperature range unless otherwise specified.
After supply voltages are stable
Supplied by an external crystal.
= 40 C to +85 C, unless otherwise specified.
Dynamic characteristics
Dynamic characteristics: static external memory interface
Parameter
clock cycle time
CS LOW to address valid time
OE LOW to address valid time
BLS LOW to address valid time
CS LOW to OE LOW time
CS LOW to BLS LOW time
OE LOW to OE HIGH time
BLS LOW to BLS HIGH time
data input/output set-up time
data input/output hold time
CS HIGH to OE HIGH time
CS HIGH to BLS HIGH time
OE HIGH to address invalid time
BLS HIGH to address invalid time
CS LOW to data valid time
CS LOW to WE LOW time
CS LOW to BLS LOW time
WE LOW to data valid time
amb
11.1 Clocking and I/O port pins
11.2 Static memory controller
= 20 C, V
Parameter
external RESET pulse width
external clock frequency
rise time
fall time
DD(EMC)
= 1.8 V.
Rev. 01 — 6 February 2009
[1]
[8]
Notes Min
Conditions
[4][5]
[4][5]
[3]
[4]
[4]
[4]
[8]
[6]
[6]
[6]
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
Typ
9.6
0
0
0
0 + WAITOEN
0 + WAITOEN
(WAITRD
(WAITRD
<tbd>
0
0
0
1
1
0
(WAITWEN + 1)
(WAITWEN + 1)
0
[2]
[3]
WAITOEN
WAITOEN
T
T
(WAITWEN + 1)
CLCL
CLCL
Min
10
1
-
-
LPC3220/30/40/50
WAITOEN + 1)
WAITOEN + 1)
16/32-bit ARM microcontrollers
T
T
T
T
CLCL
CLCL
CLCL
CLCL
T
T
CLCL
CLCL
T
Typ
-
13
5
5
CLCL
T
T
CLCL
CLCL
© NXP B.V. 2009. All rights reserved.
Max
-
20
-
-
Max
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
50 of 73
Unit
ms
MHz
ns
ns
Unit
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns