Datasheet

LPC55S6x All information provided in this document is subject to legal disclaimers. © NXP Semiconductors N.V. 2019. All rights reserved.
Product data sheet Rev. 1.0 — 26 February 2019 100 of 123
NXP Semiconductors
LPC55S6x
32-bit ARM Cortex-M33 microcontroller
11.15 SD/MMC and SDIO
11.16 SCTimer/PWM output timing
Table 38. Dynamic characteristics: SD/MMC and SDIO
T
amb
= 40 C to +105 C, V
DD
= 1.8 V to 3.6 V; C
L
= 10 pF. SAMPLE_DELAY = 0, DRV_DELAY = 0 in the SDDELAY
register, SDIOCLKCTRL = 0x84, sampled at 90 % and 10 % of the signal level, SLEW = 1 ns for SD_CLK pin, SLEW = 1 ns
for SD_DATn and SD_CMD pins. Simulated values in high-speed mode. Not tested in production.
Symbol Parameter Conditions Min Typ Max Unit
f
clk
clock frequency on pin SD_CLK; data transfer mode - - 50 MHz
t
su(D)
data input set-up time on pins SD_DATn as inputs
15 - - ns
on pins SD_CMD as inputs
15 - - ns
t
h(D)
data input hold time on pins SD_DATn as inputs
0- - ns
on pins SD_CMD as inputs
0- - ns
t
v(Q)
data output valid time on pins SD_DATn as outputs
3- 7 ns
on pins SD_CMD as outputs
3- 7 ns
Fig 27. SD/MMC and SDIO 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 39. SCTimer/PWM output dynamic characteristics
T
amb
= 40 C to 105 C; 1.8 V  V
DD
 3.6 V C
L
= 30 pF. Simulated skew (over process, voltage,
and temperature) of any two SCT fixed-pin output signals; sampled at 10 % and 90 % of the signal
level; values guaranteed by design.
Symbol Parameter Conditions Min Typ Max Unit
t
sk(o)
output skew time - - - <tbd> ns