DEMO90121LR Melexis Inc, DEMO90121LR Datasheet - Page 8

• Manufacturer Part Number: DEMO90121LR
• Description: KIT DEMO LONG RANGE READER
• Manufacturer: Melexis Inc
• Type: Development kitr

Specifications of DEMO90121LR

• Contents: Reader Board, Antenna Board, 3 Transponder cards, Power Supply, RS232 Cable, Software and Documentation
• For Use With/related Products: MLX90121
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

10. Digital Interface
The MLX90121 is driven by four signals: MODE and RTB pins are used to select the operating mode and
DIN and CK pins are used to configure the chip and to transmit data.
The MLX90121 has two signal outputs. DOUT contains the decoded response of the transponder and
DSYNC is used as a synchronization output by the microcontroller.
Function Summary
(*) the reserved mode is for manufacturing purpose only and should not be applied by the user.
3901090121
Rev. 009
9. Block Diagram
RX
TX
RMOD
PA
13.56MHz
XTAL
Page 8 of 26
XBUF
Decoder
Decoder
AM
FM
FSK
PSK
13.56MHz RFID Transceiver
Programmable
Encoder
MLX90121
Majority
Voting
Digital
Data Sheet
Sept.-2009
DOUT
DIN