
PS2000A Datasheet
Doc. Number:
TECINHD001
Version 1.0
3/1/2002
P&S DataCom Corporation
1
1 Introduction
P&S DataCom Corporation has developed an internet-enabling technology, called
WebChip, for any microcontroller-based application. This technology includes a silicon
chip (the WebChip) and a gateway. The WebChip unifies the microcontroller
application data with the gateway networking capability. Object-oriented techniques are
used to map any microcontroller application data in a structured, generic fashion into a
format usable by gateway intelligence. This object mapping and communication is achieved
using two open protocols. The MCUnet protocol handles data communication between
the microcontroller and the WebChip, while the MCUap protocol handles data
communication between the WebChip and the gateway.
Real-time microcontroller data, transferred through the WebChip to the gateway, can be
made available anywhere on the Internet with supervision and management control. The
gateway maintains the Internet connectivity capability for numerous WebChip-enabled
devices. This affords users a single point of contact for monitoring and controlling multiple
devices, with less administrative overhead than that required by a user-to-device direct
solution. Users can potentially access any and all devices via the Internet. However,
device owners and users require some control and limitation of access to their devices. The
gateway provides this device management, security management, and network management
for Internet-connected devices. These supervisory functions extend basic Internet
connectivity with real-world requirements. Practical device use over the Internet
necessitates inclusion of these essential management features.
The PS2000A is one of the members of the WebChip
TM
family. It is a network
communication controller designed to connect any MCU (“Microcontroller”) application
system to a gateway. It therefore can serve as a bridge for an intelligent device (any
electronic device that contains an MCU) to easily connect to the Internet. The
communication between the MCU application system and the PS2000A conforms to the
MCUnet
TM
1.0 Protocol, and the communication between the network server and the
PS2000A conforms to the MCUap
TM
1.0 protocol. A typical application of the PS2000A is
shown in Figure 1.
Network Server
PS2000A
MCU
Application System
Figure 1 A typical PS2000A Application
MCUap
TM
MCUnet
TM
Electronic Device