Product data

LPC1769_68_67_66_65_64_63 All information provided in this document is subject to legal disclaimers. © NXP Semiconductors N.V. 2014. All rights reserved.
Product data sheet Rev. 9.5 — 24 June 2014 71 of 89
NXP Semiconductors
LPC1769/68/67/66/65/64/63
32-bit ARM Cortex-M3 microcontroller
Fig 31. USB interface on a bus-powered device where V
BUS
= 5 V, V
DD
not present
LPC17xx
V
DD
R1
1.5 kΩ
R2
R3
USB-B
connector
USB_D+
USB_D-
USB_VBUS
V
SS
R
S
= 33 Ω
R
S
= 33 Ω
aaa-008962
R2
USB_UP_LED
Fig 32. USB interface with soft-connect
LPC17xx
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
002aad939
R
S
= 33 Ω
USB_UP_LED