Datasheet

LPC185X_3X_2X_1X All information provided in this document is subject to legal disclaimers. © NXP Semiconductors N.V. 2014. All rights reserved.
Product data sheet Rev. 4.1 — 6 May 2014 120 of 148
NXP Semiconductors
LPC185x/3x/2x/1x
32-bit ARM Cortex-M3 microcontroller
11.14 SD/MMC
11.15 LCD
Table 31. Dynamic characteristics: SD/MMC
T
amb
=  40  C to 105  C, 2.2 V  V
DD(REG)(3V3)
 3.6 V; 2.7 V  V
DD(IO)
 3.6 V, C
L
= 20 pF.
Simulated values.
Symbol Parameter Conditions Min Max Unit
f
clk
clock frequency on pin SD_CLK; data transfer mode 40 - MHz
t
su(D)
data input set-up time on pins SD_CMD, SD_DATn as
inputs
16 - ns
t
h(D)
data input hold time on pins SD_CMD, SD_DATn as
inputs
2- ns
t
d(QV)
data output valid delay
time
on pins SD_CMD, SD_DATn as
outputs
-12ns
t
h(Q)
data output hold time on pins SD_CMD, SD_DATn as
outputs
0.3 - ns
Fig 36. 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 32. Dynamic characteristics: LCD
T
amb
=  40  C to 105  C; 2.2 V  V
DD(REG)(3V3)
 3.6 V; 2.7 V  V
DD(IO)
 3.6 V; C
L
= 20 pF.
Simulated values.
Symbol Parameter Conditions Min Typ Max Unit
f
clk
clock frequency on pin LCD_DCLK - 50 - MHz
t
d(QV)
data output valid
delay time
- - 17 ns
t
h(Q)
data output hold time 8.5 - - ns