CR14-MQP/1GE STMicroelectronics, CR14-MQP/1GE Datasheet - Page 27

• Manufacturer Part Number: CR14-MQP/1GE
• Description: IC TYPE-B CHIP I2C ECO 16-SOIC N
• Manufacturer: STMicroelectronics

Specifications of CR14-MQP/1GE

• Rf Type: Transceiver
• Frequency: 13.56MHz
• Features: ISO14443-B
• Package / Case: 16-SOIC (0.154", 3.90mm Width)
• Pin Count: 16
• Screening Level: Commercial
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Other names: 497-5719-1; 497-5719-1; 497-5719-5

CR14
6.3
6.4
Figure 20. CR14 request frame character format
Table 7.
Request start of frame
The Start Of Frame (SOF) described in
●
●
●
●
Figure 21. Request start of frame
Request end of frame
The End Of Frame (EOF) shown in
●
●
●
Figure 22. Request end of frame
b
b
b
0
1
9
to b
Bit
a falling edge,
followed by ten Elementary Time Units (ETU) each containing a logical ‘0’
followed by a single rising edge
followed by two ETUs, each containing a logical ‘1’.
a falling edge,
followed by ten Elementary Time Units (ETU) containing each a logical ‘0’,
followed by a single rising edge.
8
Start bit used to synchronize the transmission
Information Byte (instruction, address or data)
Stop bit used to indicate the end of the character
ETU
CR14 request frame character format
ETU
ETU
1
b 0
0
b 0
0
Start
b0
'0'
b 1
0
b 1
0
LSB
b1
Description
b 2
0
b 2
0
Doc ID 11922 Rev 2
b2
b 3
0
b 3
CR14 ISO14443 type-B radio frequency data transfer
0
Figure 22
b3
b 4
0
Figure 21
b 4
0
Information Byte
b4
b 5
0
b 5
0
consists of:
b5
b 6
0
consists of:
b 6
0
b6
b 7
0
b 7
0
b7
b
Information Byte is sent Least
Significant Bit first
b
b 8
0
0
9
b 8
0
= 0
= 1
MSB Stop
b8
b 9
0
b 9
0
b9
'1'
b 10
1
Value
b 11
1
ai09252
ai12050
ai12049
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