MC33690DWER2 Freescale Semiconductor, MC33690DWER2 Datasheet - Page 9

• Manufacturer Part Number: MC33690DWER2
• Description: IC STAND ALONE TAG READER 20SOIC
• Manufacturer: Freescale Semiconductor

Specifications of MC33690DWER2

• Rf Type: Read / Write
• Frequency: 125kHz
• Features: Wide Supply Voltage Range
• Package / Case: 20-SOIC (0.300", 7.50mm Width)
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

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The STARC offers three different communication modes. Therefore, it can be used as a standalone circuit connected to an
electronic control unit (ECU) through a bus line or it can be directly connected to a microcontroller in case of a single board
architecture.
Freescale Semiconductor
Communication Modes Description
From configuration controller
Tag reader module output
Tx
Rx
From configuration controller
AM data
VDD
VDD
MC33690 Standalone Tag Reader Circuit, Rev. 5
Figure 5. ISO 9141 Interface
Over temperature
Current limitation
Command
detector
VSUP
VSUP
VDD
GND
GND
Communication Modes Description
2.5mA
2.5mA
GND
GND
2kW
2kW
K
AM
VBAT
L line
K line
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