NXP Semiconductors
UM10858
PN7462 family HW user manual
UM10858
All information provided in this document is subject to legal disclaimers.
© NXP B.V. 2018. All rights reserved.
User manual
COMPANY PUBLIC
Rev. 1.4 — 14 May 2018
314514
6 of 345
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Suspend mode for USB host interface
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Processor wake-up from hard power down mode, stand-by mode, suspend mode
via: host interface, contact card interface, GPIOs, RF field detection
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Integrated PMU to automatically adjust internal regulators, to minimize the power
consumption during all possible power modes.
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Power-on reset
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RF supply; external, or using an integrated LDO (TXLDO configurable with 3 V,
3.3 V, 3.6 V, 4.5 V, and 4.75 V)
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Pad voltage supply: external 3.3 V or 1.8 V, or using an integrated LDO (3.3 V
supply)
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Integrated contact interface voltage regulation for 1.8 V, 3 V, and 5 V card supply,
including a DC-to-DC converter for support of Class A and Class B cards
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Timers
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Four general-purpose timers
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Programmable WatchDog Timer (WDT)
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CRC coprocessor
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Random number generator
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Clocks
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Crystal oscillator 27.12 MHz
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Dedicated PLL 48 MHz for the USB
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Integrated HFO 20 MHz and LFO 380 kHz
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General
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HVQFN64 packaging
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Temperature range:
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40 °C to 85 °C
1.3 Derivates
1.3.1 PN7462AUEV features
Supports all PN7462AU features except ISO 7816 contact interface pins not exposed
(AUX pins still available)
1.3.2 PN7362AU features
Supports all PN7462AU features except ISO 7816 interface
1.3.3 PN7360AU features
Supports all PN7462AU features except ISO 7816 interface and reduced flash size
(80kB)
