Datasheet

LPC408X_7X All information provided in this document is subject to legal disclaimers. © NXP Semiconductors N.V. 2014. All rights reserved.
Product data sheet Rev. 3.1 — 1 September 2014 103 of 138
NXP Semiconductors
LPC408x/7x
32-bit ARM Cortex-M4 microcontroller
11.11 SPIFI
Table 26. Dynamic characteristics: SD/MMC
C
L
=10pF, T
amb
=  40  C to 85  C, V
DD(3V3)
= 3.0 V to 3.6 V. Values guaranteed by design.
Symbol Parameter Conditions Min Max Unit
f
clk
clock frequency on pin SD_CLK; data transfer mode - 25 MHz
on pin SD_CLK; identification mode 25 MHz
t
su(D)
data input set-up time on pins SD_CMD, SD_DAT[3:0] as
inputs
6- ns
t
h(D)
data input hold time on pins SD_CMD, SD_DAT[3:0] as
inputs
6- ns
t
d(QV)
data output valid
delay time
on pins SD_CMD, SD_DAT[3:0] as
outputs
-23ns
t
h(Q)
data output hold time on pins SD_CMD, SD_DAT[3:0] as
outputs
3.5 - ns
Fig 30. SD/MMC timing
002aag204
SD_CLK
SD_DATn (O)
SD_DATn (I)
t
d(QV)
t
h(D)
t
su(D)
T
cy(clk)
t
h(Q)
SD_CMD (O)
SD_CMD (I)
Table 27. Dynamic characteristics: SPIFI
T
amb
=  40  C to 85  C; 3.0 V  V
DD(3V3)
 3.6 V; C
L
= 30 pF. Values guaranteed by design.
Symbol Parameter Min Max Unit
T
cy(clk)
clock cycle time 11.8 - ns
t
DS
data set-up time 4.8 - ns
t
DH
data hold time 0 - ns
t
v(Q)
data output valid time - 8.8 ns
t
h(Q)
data output hold time 3 - ns