Block Diagram Of The Micro-Reader; Module And Antenna Block Diagrams - Texas Instruments 2000 Series Reference Manual

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OKT (29) This output is set to logic high for approx. 60 ms if a valid transponder was read. It can
be connected to an LED externally to indicate the result of the read cycle.
STAT(30) Pin 30 is set to logic low when the RF-transmitter is activated. Supplying an external LED
with this signal makes the status of the Micro-reader visible.

1.3.2 Module and Antenna Block Diagrams

SCBU027 – May 2000
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MICRO
CONTROLLER
RXCK
RXDT-
TXCT-
RFM
ASIC
Filter
Figure 1-3. Block Diagram of the Micro-reader
VSL
RESET-
CRDM
WLSC
RDEN-
SYNC
OKT
STAT
TXD
RXD
GND
VSL
VSL
VSP
VSP
GNDP
ANT1
Power
ANT2
stage
ANTCAP
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Connector Pins
15