Datasheet

Table Of Contents
PN532_C1 All information provided in this document is subject to legal disclaimers. © NXP B.V. 2017. All rights reserved.
Product data sheet
COMPANY PUBLIC
Rev. 3.6 — 28 November 2017
115436 142 of 222
NXP Semiconductors
PN532/C1
Near Field Communication (NFC) controller
8.6.21.3 Test signals at pin AUX
Each signal can be switched to pin AUX1 or AUX2 by setting SelAux1 or SelAux2 in the
register CIU_AnalogTest. See Table 279 on page 185
8.6.21.4 PRBS
Enables the Pseudo Random Bit Stream of 9-bit or 15-bit length sequence, PRBS9 or
PRBS15, according to ITU-TO150. To start the transmission of the defined datastream,
Transmit command has to be activated. The preamble/Sync byte/start bit/parity bit are
generated automatically depending on the selected mode.
Note: All relevant registers to transmit data have to be configured before entering PRBS
mode according ITU-TO150.