Datasheet

LPC3220_30_40_50 All information provided in this document is subject to legal disclaimers. © NXP Semiconductors N.V. 2014. All rights reserved.
Product data sheet Rev. 2.1 — 24 June 2014 63 of 80
NXP Semiconductors
LPC3220/30/40/50
16/32-bit ARM microcontrollers
11.5 USB controller
[1] Parameters are valid over operating temperature range unless otherwise specified.
11.6 Secure Digital (SD) card interface
[1] Parameters are valid over operating temperature range unless otherwise specified.
[2] Typical ratings are not guaranteed. The values listed are at room temperature (25 C), nominal supply voltages.
Table 15. Dynamic characteristics USB digital I/O pins
V
DD(IO)
= 3.3 V; T
amb
=  40  C to +85  C, unless otherwise specified.
[1]
Symbol Parameter Conditions Min Typ Max Unit
t
TIO
bus turnaround time (I/O) OE_N/INT_N to DAT/VP and SE0/VM - 7 - ns
t
TOI
bus turnaround time (O/I) OE_N/INT_N to DAT/VP and SE0/VM - 0 - ns
Fig 13. USB bus turnaround time
002aae440
USB_DAT_VP
t
TIO
t
TOI
USB_OE_TP
USB_SE0_VM
input output input
Table 16. Dynamic characteristics: SD card pin interface
T
amb
=  40  C to +85  C for industrial applications; V
DD(IO)
over specified ranges.
[1]
Symbol Parameter Conditions Min Typ
[2]
Max Unit
T
cy(clk)
clock cycle time on pin MS_SCLK; Data transfer mode - - 25 MHz
on pin MS_SCLK; Identification mode - - 400 kHz
t
su(D)
data input set-up time on pins MS_BS, MS_DIO[3:0] as inputs - 2.7 - ns
t
h(D)
data input hold time on pins MS_BS, MS_DIO[3:0] as inputs - 0 - ns
t
d(QV)
data output valid delay time on pins MS_BS, MS_DIO[3:0] as outputs - 9.7 - ns
t
h(Q)
data output hold time on pins MS_BS, MS_DIO[3:0] as outputs - 7.7 - ns