Datasheet

LPC2470 All information provided in this document is subject to legal disclaimers. © NXP B.V. 2013. All rights reserved.
Product data sheet Rev. 4.1 — 16 October 2013 73 of 91
NXP Semiconductors
LPC2470
Flashless 16-bit/32-bit microcontroller
14.3 Suggested USB interface solutions
Fig 22. Booting from a single 16-bit memory chip
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CE
OE
WE
IO[15:0]
A[a_m:0]
WE
UB
LB
CS1
OE
D[15:0]
A[a_b:1]
BLS1
BLS0
16-bit
MEMORY
Fig 23. LPC2470 USB interface on a self-powered device
LPC24XX
USB-B
connector
USB_D+
USB_CONNECT
soft-connect switch
USB_D−
V
BUS
V
SSIO,
V
SSCORE
V
DD(3V3)
R1
1.5 kΩ
R
S
= 33 Ω
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R
S
= 33 Ω
USB_UP_LED