LPC2458 NXP Semiconductors, LPC2458 Datasheet - Page 58

• Manufacturer Part Number: LPC2458
• Description: NXP Semiconductors designed the LPC2458 microcontroller around a 16-bit/32-bitARM7TDMI-S CPU core with real-time debug interfaces that include both JTAG andembedded trace
• Manufacturer: NXP Semiconductors

NXP Semiconductors
Table 17.
C
T
[1]
LPC2458
Product data sheet
Symbol
Common
t
t
t
t
t
t
t
t
t
t
t
t
Read cycle parameters
t
t
Write cycle parameters
t
t
d(SV)
h(S)
d(RASV)
h(RAS)
d(CASV)
h(CAS)
d(WV)
h(W)
d(GV)
h(G)
d(AV)
h(A)
su(D)
h(D)
d(QV)
h(Q)
cy(CCLK)
L
= 30 pF, T
See
Figure
= 1/CCLK
Dynamic characteristics: Dynamic external memory interface
amb
Parameter
chip select valid delay
time
chip select hold time
row address strobe valid
delay time
row address strobe hold
time
column address strobe
valid delay time
column address strobe
hold time
write valid delay time
write hold time
output enable valid delay
time
output enable hold time
address valid delay time
address hold time
data input set-up time
data input hold time
data output valid delay
time
data output hold time
17.
=

40

C to 85

C, V
DD(DCDC)(3V3)
Conditions
All information provided in this document is subject to legal disclaimers.
Rev. 4 — 1 September 2011
= V
DD(3V3)
[1]
[1]
[1]
[1]
[1]
[1]
[1]
[1]
[1]
[1]
[1]
[1]
[1]
[1]
[1]
[1]
= 3.3 V, EMC Dynamic Read Config Register = 0x1 (RD = 01),
Min
-
4 + T
-
3 + T
-
4 + T
-
4 + T
-
4 + T
-
4 + T
2.6 + T
2.6 + T
-
3.8 + T
cy(CCLK)
cy(CCLK)
cy(CCLK)
cy(CCLK)
cy(CCLK)
cy(CCLK)
cy(CCLK)
cy(CCLK)
cy(CCLK)
Typ
3 + T
3 + T
3 + T
2.3 + T
3.4 + T
3 + T
3.4 + T
3 + T
3 + T
2.1 + T
2.6 + T
2.3 + T
1.5 + T
1.3 + T
2.6 + T
3.4 + T
Single-chip 16-bit/32-bit micro
cy(CCLK)
cy(CCLK)
cy(CCLK)
cy(CCLK)
cy(CCLK)
cy(CCLK)
cy(CCLK)
cy(CCLK)
cy(CCLK)
cy(CCLK)
cy(CCLK)
cy(CCLK)
cy(CCLK)
cy(CCLK)
cy(CCLK)
cy(CCLK)
Max
1.5 + T
-
1.5 + T
-
2.1 + T
-
2.1 + T
-
1.3 + T
-
1.4 + T
-
-
-
3 + T
-
LPC2458
© NXP B.V. 2011. All rights reserved.
cy(CCLK)
cy(CCLK)
cy(CCLK)
cy(CCLK)
cy(CCLK)
cy(CCLK)
cy(CCLK)
58 of 80
Unit
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns