LPC3240 datasheet(63/80 Pages) NXP

63 / 80 page

LPC3220_30_40_50

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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

VDD(IO) = 3.3 V; Tamb = 40 C to +85 C, unless otherwise specified.[1]

Symbol

Parameter

Conditions

Min

Typ

Max

Unit

tTIO

bus turnaround time (I/O)

OE_N/INT_N to DAT/VP and SE0/VM

tTOI

bus turnaround time (O/I)

OE_N/INT_N to DAT/VP and SE0/VM

Fig 13. USB bus turnaround time

002aae440

USB_DAT_VP

tTIO

tTOI

USB_OE_TP

USB_SE0_VM

input

output

input

Table 16.

Dynamic characteristics: SD card pin interface

Tamb = 40 C to +85 C for industrial applications; VDD(IO) over specified ranges.[1]

Symbol Parameter

Conditions

Min

Typ[2]

Max

Unit

Tcy(clk)

clock cycle time

on pin MS_SCLK; Data transfer mode

MHz

on pin MS_SCLK; Identification mode

400

kHz

tsu(D)

data input set-up time

on pins MS_BS, MS_DIO[3:0] as inputs

2.7

th(D)

data input hold time

on pins MS_BS, MS_DIO[3:0] as inputs

td(QV)

data output valid delay time

on pins MS_BS, MS_DIO[3:0] as outputs

9.7

th(Q)

data output hold time

on pins MS_BS, MS_DIO[3:0] as outputs

7.7

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