PN5120A0HN1/C1 NXP Semiconductors, PN5120A0HN1/C1 Datasheet - Page 82
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PN5120A0HN1/C1
Manufacturer Part Number
PN5120A0HN1/C1
Description
RF Wireless Misc COMBO ANALOG/DIGI IC
Manufacturer
NXP Semiconductors
Type
Transmission Moduler
Datasheet
1.PN5120A0HN1C1.pdf
(131 pages)
Specifications of PN5120A0HN1/C1
Package / Case
HVQFN EP
Maximum Operating Temperature
+ 85 C
Minimum Operating Temperature
- 30 C
Mounting Style
SMD/SMT
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Other names
PN5120A0HN1/C1,157
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NXP Semiconductors
111334
Product data sheet
11.4 Data mode detector
To increase the sensitivity of the RF level detector an amplifier can be activated by setting
the bit RFLevelAmp in register RFCfgReg to 1.
Remark: During soft Power-down mode the RF level detector amplifier is automatically
switched off to ensure that the power consumption is less than 10 μA at 3 V.
Remark: With typical antennas lower sensitivity levels can provoke misleading results
because of intrinsic noise in the environment.
Note: It is recommended to use the bit RFLevelAmp only with higher RF level settings.
The Data mode detector gives the possibility to detect received signals according to the
ISO/IEC 14443A/MIFARE, FeliCa or NFCIP-1 schemes at the standard transfer speeds
for 106 kbit, 212 kbit and 424 kbit in order to prepare the internal receiver in a fast and
convenient way for further data processing.
The Data mode detector can only be activated by the AutoColl command. The mode
detector resets, when no external RF field is detected by the RF level detector. The Data
mode detector could be switched off during the AutoColl command by setting bit
ModeDetOff in register ModeReg to 1.
Fig 28. Data mode detector
Rev. 3.4 — 8 September 2009
PN512
Registersetting for the
Data Mode Detector
NFC @ 106kbit/s
NFC @ 212kbit/s
NFC @ 424kbit/s
I/Q Demodulator
Host interfaces
detected mode
Registers
Receiver
RX
Transmission Module
© NXP B.V. 2010. All rights reserved.
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