
STMicroelectronics
FUNCTION: ANALOG FRONT END FOR
CONTACTLESS SMARTCARD READER
■ GENERAL DESCRIPTION
– This is an analog front end dedicated to contact less Smartcards reader chip set.
– This interface complies with ISO 14443-2 Type B: powering, data transfer from reader to card
with amplitude modulation, data transfer from card to reader with load modulation.
■ MAIN FEATURES
– Supply voltage: 12 V
– Modulation: 10% ASK
– Data transfer to card: up to 424 KBit/second
– Data transfer to reader: up to 424 KBit/second
– Quartz oscillator 13.56 MHz ± 100 ppm
FUNCTION: DECODER AND FRAME
FORMATING FOR CONTACTLESS
SMARTCARD READERS
■ GENERAL DESCRIPTION
– This is an FPGA dedicated to contactless Smart cards reader chip set. This interface complies
with ISO 14443-3 Type B
■ MAIN FEATURES
– Supply voltage: 3.3 V
– Programmable data transfer from reader to card
– 106 KBit/second, 212 KBit/second and 424 KBit/second
– Programmable data transfer from card to reader
– 106 KBit/second, 212 KBit/second and 424 KBit/second
– 8 bit parallel interface for MCU