CRX14-MQP/1GE STMicroelectronics, CRX14-MQP/1GE Datasheet - Page 21

• Manufacturer Part Number: CRX14-MQP/1GE
• Description: IC TYPE-B CHIP I2C ECO 16-SOIC N
• Manufacturer: STMicroelectronics

Specifications of CRX14-MQP/1GE

• Rf Type: Transceiver
• Frequency: 13.56MHz
• Features: ISO14443-B
• Package / Case: 16-SOIC (0.154", 3.90mm Width)
• For Use With: 497-3704 - RFID EVALUATION KIT ISO14443-B
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Other names: 497-5720-2; 497-5720-2; 497-5720-5

CRX14
Figure 9.
I²C CURRENT ADDRESS READ
I²C RANDOM ADDRESS READ
After reading each Byte, the CRX14 waits for the master to send an ACK during the 9
time. If the master does not return an ACK within this time, the CRX14 terminates the data
transfer and switches to stand-by mode.
CRX14 I²C read modes sequences
BUS Master
CRX14 READ
BUS Slave
BUS Master
CRX14 READ
BUS Slave
DEV SEL
DEV SEL
R/W
R/W
ACK
ACK
ADDRESS
DATA 1
Doc ID 8880 Rev 4
ACK
ACK
DEV SEL
DATA 2
ACK
R/W
ACK
DATA 3
DATA 1
ACK
ACK
DATA 4
DATA 2
CRX14 I²C protocol description
ACK
ACK
DATA N
DATA N
NoACK
NoACK
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