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Moteur de recherche de fiches techniques de composants électroniques |
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Moteur de recherche de fiches techniques de composants électroniques |
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PN746X Fiches technique(PDF) 17 Page - NXP Semiconductors |
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PN746X Fiches technique(HTML) 17 Page - NXP Semiconductors |
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17 / 86 page  PN746X_736X All information provided in this document is subject to legal disclaimers. © NXP Semiconductors N.V. 2016. All rights reserved. Product data sheet COMPANY PUBLIC Rev. 3.1 — 5 April 2016 369231 17 of 86 NXP Semiconductors PN746X_736X NFC Cortex-M0 microcontroller 8.7.2.1 SPI features The SPI master interface provides the following features: • SPI master interface: synchronous, half-duplex • Supports Motorola SPI frame formats only (SPI block guide V04.0114 (Freescale) specification) • Maximum SPI data rate of 6.78 Mbit/s • Multiple data rates such as 1, 1.51, 2.09, 2.47, 3.01, 4.52, 5.42 and 6.78 Mbit/s • Up to two slave select with selectable polarity • Programmable clock polarity and phase • Supports 8-bit transfers only • Maximum frame size: 511 data bytes payload + 1 CRC byte • Optional 1 byte CRC calculation on all data of TX and RX buffer • AHB master interface for data transfer 8.8 Host interfaces The PN7462 embeds four different interfaces for host connection: USB, HSUART, I2C, and SPI. The four interfaces share the buffer manager and the pins; see Table 5. The interface selection is done by configuring the Power Clock Reset (PCR) registers. Note: The host interface pins should not be kept floating. 8.8.1 High-speed UART The PN7462 has a high-speed UART which can operate in slave mode only. Following are the HSUART features: • Standard bit-rates are 9600, 19200, 38400, 57600, 115200, and up to 1.288 Mbit/s • Supports full duplex communication • Supports only one operational mode: start bit, 8 data bits (LSB), and stop bits • The number of “stop bits” programmable for RX and TX is 1 stop bit or 2 stop bits • Configurable length of EOF (1-bit to 122-bits) Table 5. Pin description for host interface Name SPI I2C USB HSU ATX_A NSS_S SCL_S - HSU_RX ATX_B MOSI_S SDA_S - HSU_TX ATX_C MISO_S I2C_ADR0 DP HSU_RTS_N ATX_D SCK_S I2C_ADR1 DM HSU_CTS_N |
Numéro de pièce similaire - PN746X |
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Description similaire - PN746X |
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