Datasheet

LPC2387 All information provided in this document is subject to legal disclaimers. © NXP B.V. 2013. All rights reserved.
Product data sheet Rev. 5.1 — 16 October 2013 52 of 66
NXP Semiconductors
LPC2387
Single-chip 16-bit/32-bit MCU
14. Application information
14.1 Suggested USB interface solutions
Fig 17. LPC2387 USB interface on a self-powered device
LPC23XX
USB-B
connector
USB_D+
USB_CONNECT
SoftConnect switch
USB_D
V
BUS
V
SS
V
DD(3V3)
R1
1.5 kΩ
R
S
= 33 Ω
002aac578
R
S
= 33 Ω
USB_UP_LED
Fig 18. LPC2387 USB interface on a bus-powered device
LPC23XX
V
DD(3V3)
R1
1.5 kΩ
R2
USB_UP_LED
002aac579
USB-B
connector
USB_D+
USB_D
V
BUS
V
SS
R
S
= 33 Ω
R
S
= 33 Ω