CRX14_10 Datasheet, PDF (7/47 Pages) STMicroelectronics – ISO14443 type-B contactless coupler chip with anti-collision, CRC management and anti-clone function

CRX14
Figure 1. Logic diagram
OSC1
SCL
SDA
E0
E1
E2
Summary description
VCC VREF
CRX14
RFOUT
OSC2
Antenna
RFIN
GND GND_RF
Table 1.
Signal
Signal names
Description
RF_OUT
RF_IN
OSC1
OSC2
E0, E1, E2
SDA
SCL
V_CC
GND
V_REF
GND_RF
Antenna Output Driver
Antenna Input Filter
Oscillator Input
Oscillator Output
Chip Enable Inputs
I²C Bi-Directional Data
I²C Clock
Power Supply
Ground
Transmitter Reference Voltage
Ground for RF circuitry
AI06828B
Doc ID 8880 Rev 4
7/47