LPC2939 NXP Semiconductors, LPC2939 Datasheet - Page 30

• Manufacturer Part Number: LPC2939
• Description: The LPC2939 combine an ARM968E-S CPU core with two integrated TCM blocksoperating at frequencies of up to 125 MHz, Full-speed USB 2
• Manufacturer: NXP Semiconductors

NXP Semiconductors
Table 14.
LPC2939_3
Product data sheet
Pin name
Port 1
USB_VBUS1
USB_D+1
USB_D1
USB_CONNECT1 O
USB_UP_LED1
USB_SCL1
USB_SDA1
USB_LS1
USB_RST1
USB_INT1
USB_SSPND1
USB_PWRD1
USB_PPWR1
USB_OVRCR1
Port 2
USB_VBUS2
USB_D+2
USB_D2
USB OTG port pins
6.11.3.1 Features
6.11.3 USB host controller
6.11.4 Pin description
Direction
I
I/O
I/O
O
I/O
I/O
O
O
O
O
I
O
I
I
I/O
I/O
The host controller enables full- and low-speed data exchange with USB devices attached
to the bus. It consists of register interface, serial interface engine and DMA controller. The
register interface complies with the OHCI specification.
•
•
•
•
•
•
•
Fully compliant with On-The-Go supplement to the USB 2.0 Specification, Revision
1.0a
Hardware support for Host Negotiation Protocol (HNP)
Includes a programmable timer required for HNP and Session Request Protocol
(SRP)
Supports any OTG transceiver compliant with the OTG Transceiver Specification
(CEA-2011), Rev. 1.0
OHCI compliant
Two downstream ports
Supports per-port power switching
Description
V
via its corresponding PINSEL register, it is driven
HIGH internally.
positive differential data
negative differential data
SoftConnect control signal
GoodLink LED control signal
I
I
low-speed status (applies to host functionality only)
USB reset status
USB transceiver interrupt
bus suspend status
port power status
port power enable
over-current status
V
via its corresponding PINSEL register, it is driven
HIGH internally.
positive differential data
negative differential data
2
2
BUS
BUS
C serial clock
C serial data
status input. When this function is not enabled
status input. When this function is not enabled
All information provided in this document is subject to legal disclaimers.
Rev. 03 — 7 April 2010
ARM9 microcontroller with CAN, LIN, and USB
Interfacing
-
-
-
-
-
external OTG transceiver
external OTG transceiver
external OTG transceiver
external OTG transceiver
external OTG transceiver
external OTG transceiver
USB host
USB host
USB host
-
-
-
LPC2939
© NXP B.V. 2010. All rights reserved.
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