UM10237_2 © NXP B.V. 2008. All rights reserved.
User manual Rev. 02 — 19 December 2008 399 o f 792
NXP Semiconductors UM10237
Chapter 15: LPC24XX USB OTG controller
7. Register description
The OTG and I2C registers are summarized in the following table.The Device and Host registers are explained in Section 14–3.2.1 and Section 13–9 in the USB Device Controller and USB Host (OHCI) Controller chapters. All registers are 32 bits wide and aligned to word address boundaries.

Fig 56. USB OTG port configuration: port U1 host, port U2 device

USB_UP_LED1
USB_D+1
USB_D1
USB_PWRD1
15
kΩ15
kΩ
LPC24XX
USB-A
connector
USB-B
connector
33 Ω
33 Ω
33 Ω
33 Ω
002aac710
VDD
USB_UP_LED2
USB_CONNECT2
VDD
VDD
USB_OVRCR1
USB_PPWR1
LM3526-L
ENA
IN
5 V
FLAGA
OUTA
VDD
D+
D
D+
D
VBUS
USB_D+2
USB_D2
VBUS VBUS
VSS
VSS

Table 362. USB OT G an d I2C register address definitions

Name Address Access Function

Interrupt register

USBIntSt 0xE01F C1C0 R/W USB Interrupt Status

OTG regi sters

OTGIntSt 0xFFE0 C100 RO OTG Interrupt Status

OTGIntEn 0xFFE0C104 R/W OTG Interrupt Enable