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WL102BIGTP1R Schematic ( PDF Datasheet ) - Mitel Networks Corporation

Teilenummer WL102BIGTP1R
Beschreibung Wireless Data Controller
Hersteller Mitel Networks Corporation
Logo Mitel Networks Corporation Logo 




Gesamt 9 Seiten
WL102BIGTP1R Datasheet, Funktion
Features
q Complete CMOS, single chip, radio transceiver
controller
q Hardware implemented Communication Control
Block (CCB)
q Protocol independent design using external flash
memory
q Internal 8051 and external processor options
q Internal/external buffer and processor RAM
q Block power down facility
q PCMCIA/8bit processor host interface to buffer
RAM
q Up to 1Mbps/2 level or 2 Mbps/4 level operation
WL102B
Wireless Data Controller
Advance Information
DS4582 - 3.0 July 1999
Ordering Information
WL102B/IG/TP1R 100 pin package
WL102BC/PR/FP1R 144 pin package
The WL102B is a highly integrated CMOS wireless data
controller designed to dramatically reduce the cost of
radio data applications. It works with the WL600C RF IF
chip and WL800 synthesiser chip to offer a complete
solution for a frequency hopping, spread spectrum radio
in the 2.4 to 2.45GHz ISM band.
Its flexible design means that it can also be used in a
wide range of other applications using a range of "proc-
essor", protocols and additional memory options as well
as radios at other frequencies.
Related Documents
WL600C, WL800 and WL102B (DS4837) Datasheets
Receive
Transmit
Status
Control
Address
Data
Control
Communications
Control Block
DMA
Buffer RAM
6K4
Memory Control Block
Interrupt
Address
Data
Control
Port Pins
Interrupt
8051
System RAM
4K
Counters
Power Down
Control
Attribute
Memory
WL102
Figure 1 WL102 Minimum configuration block diagram
Configuration






WL102BIGTP1R Datasheet, Funktion
WL102
Advance Information
Counters
The two 16-bit counters are provided which are configured
by setting a reload value. When enabled, the counters
decrement continuously at 10MHz, generating a terminal
count signal to the processor and automatically reloading
the reload value when the count reaches zero.
The terminal count outputs are internally connected to the
8051 timer inputs when using the internal 8051, and to
external pins when using an external processor.
Power Control
A power-down function is provided under the control of the
WL102 system. Power down enable signals are provided
to each major block; the clocks of the individual blocks
being disabled when the appropriate power down bit is set.
In addition, the internal processor's PCON register will
disable the 8051 core in the usual manner.
System Supply Voltages
The WL102 has two separate digital supply rails, allowing
for use in mixed 3V/5V systems. The host interface has its
own independent supply, whilst a second supply powers
the core of the WL102 and its interface to the memory and
radio transceiver subsystems. Both power supplies may
be operated at either 3 or 5 volts (nominal), with the
restriction that the host interface supply voltage must be
greater than or equal to the voltage powering the WL102
core and radio transceiver.
Manufacturing Enhancements
Radio Test Mode
The WL102 radio test mode of operation allows an
attached radio transceiver to be tested more easily in a
complete assembled unit. The mode is selected by
configuring the test mode pins. In this mode the usual
functions of the WL102 are suspended and the control and
status signals of the CCB radio interface are connected to
the pins of the Host interface, with the WL102 providing the
status signals back from the radio interface. The
comparators on the receive data stream are still used and
so the test system is provided with the digital version of this
radio output. In addition the operation of the CCB preamble
and frame word recognition can be tested, as well as the
clock recovery data stream.
MCB Execute Mode
This mode of operation is used to allow programming of the
external code memory if a re-programmable device is
used, via special software run on the Host. Using this
mode, the WL102's code memory is completely
reprogrammed regardless of its current state i.e. no 'boot-
block' code is required in the WL102 system. This allows
complete radio modules to be manufactured without the
need for preprogramming the code memory. At final test
the MAC software image can be downloaded or test
software can be downloaded and used prior to the final
software.
This facility also allows the complete radio module to be
upgraded in the field or for diagnostic software to be
downloaded as necessary.
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