MFRC52302HN1,151 NXP Semiconductors, MFRC52302HN1,151 Datasheet - Page 18
MFRC52302HN1,151
Manufacturer Part Number
MFRC52302HN1,151
Description
IC READER 32-HVQFN
Manufacturer
NXP Semiconductors
Series
MIFARE®r
Datasheet
1.MFRC52302HN1151.pdf
(98 pages)
Specifications of MFRC52302HN1,151
Rf Type
Read / Write
Frequency
13.56MHz
Features
ISO14443-A, ISO14443-B
Package / Case
32-VFQFN Exposed Pad
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Lead Free Status / RoHS Status
Lead free / RoHS Compliant, Lead free / RoHS Compliant
Other names
935293911151
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- Download datasheet (2Mb)
NXP Semiconductors
MFRC523
Product data sheet
COMPANY PUBLIC
Fig 15. Data transfer on the I
SDA
SCL
repeated START
START or
condition
8.3.4.4 Acknowledge
Sr
or
S
MSB
An acknowledge must be sent at the end of one data byte. The acknowledge-related clock
pulse is generated by the master. The transmitter of data, either master or slave, releases
the SDA line (HIGH) during the acknowledge clock pulse. The receiver pulls down the
SDA line during the acknowledge clock pulse so that it remains stable LOW during the
HIGH period of this clock pulse.
The master can then generate either a STOP (P) condition to stop the transfer or a
repeated START (Sr) condition to start a new transfer.
A master-receiver indicates the end of data to the slave-transmitter by not generating an
acknowledge on the last byte that was clocked out by the slave. The slave-transmitter
releases the data line to allow the master to generate a STOP (P) or repeated START (Sr)
condition.
1
Fig 14. Acknowledge on the I
2
2
by transmitter
C-bus
data output
data output
by receiver
SCL from
master
All information provided in this document is subject to legal disclaimers.
7
condition
START
Rev. 3.7 — 8 November 2011
S
8
acknowledgement
signal from slave
interrupt within slave
byte complete,
ACK
9
2
115237
C-bus
1
clock line held LOW while
interrupts are serviced
1
2
2
3 - 8
not acknowledge
signal from receiver
acknowledgement
acknowledge
ACK
8
9
Contactless reader IC
acknowledgement
MFRC523
clock pulse for
repeated START
© NXP B.V. 2011. All rights reserved.
STOP or
condition
9
Sr
or
P
Sr
P
msc608
mbc602
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