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ISP1362EE/01 Datasheet

  • ISP1362EE/01

  • Single-chip Universal Serial Bus On-The-Go controller

  • 621.11KB

  • 150頁

  • PHILIPS

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ISP1362
Single-chip Universal Serial Bus On-The-Go controller
Rev. 03 鈥?06 January 2004
Product data
1. General description
The ISP1362 is a single-chip Universal Serial Bus (USB) On-The-Go (OTG) controller
integrated with the advanced Philips Slave Host Controller (PSHC) and the Philips
ISP1181B Device Controller (DC). The USB OTG controller is compliant with
On-The-Go Supplement to the USB 2.0 Speci鏗乧ation Rev. 1.0a.
The host and device
controllers are compliant with
Universal Serial Bus Speci鏗乧ation Rev. 2.0,
supporting
data transfer at full-speed (12 Mbit/s) and low-speed (1.5 Mbit/s).
The ISP1362 has two USB ports: port 1 and port 2. Port 1 can be hardware
con鏗乬ured to function as a downstream port, an upstream port or an OTG port
whereas port 2 can only be used as a downstream port. The OTG port can switch
roles from host to peripheral, or from peripheral to host. The OTG port can become a
host through the Host Negotiation Protocol (HNP) as speci鏗乪d in the OTG
supplement.
A USB product with OTG capability can function either as a host or as a peripheral.
For instance, with this dual-role capability, a Personal Computer (PC) peripheral such
as a printer may switch roles from a peripheral to a host for connecting to a digital
camera so that the printer can print pictures taken by the camera without using a PC.
When a USB product with OTG capability is inactive, the USB interface is turned off.
This feature has made OTG a technology well-suited for use in portable
devices鈥攕uch as, Personal Digital Assistant (PDA), Digital Still Camera (DSC) and
mobile phone鈥攊n which power consumption is a concern. The ISP1362 is an OTG
controller designed to perform such functions.
2. Features
s
Complies fully with:
x
Universal Serial Bus Speci鏗乧ation Rev. 2.0
x
On-The-Go Supplement to the USB 2.0 Speci鏗乧ation Rev. 1.0a
s
Supports data transfer at full-speed (12 Mbit/s) and low-speed (1.5 Mbit/s)
s
Adapted from
Open Host Controller Interface Speci鏗乧ation for USB Release 1.0a
s
USB OTG:
x
Supports Host Negotiation Protocol (HNP) and Session Request Protocol
(SRP) for OTG dual-role devices
x
Provides status and control signals for software implementation of HNP and
SRP
x
Provides programmable timers required for HNP and SRP
x
Supports built-in and external source of V
BUS
x
Output current of the built-in charge pump is adjustable by using an external
capacitor

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