Datasheet

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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 61 of 222
NXP Semiconductors
PN532/C1
Near Field Communication (NFC) controller
88h Previously addressed with own
SLA; Write data byte has been
received; NOT ACK has been
returned
Read data byte 0 0 0 0 Switched to not addressed SLV mode; No recognition of own SLA or
General call address
Read data byte 0 0 0 1 Switched to not addressed SLV mode; Own SLA will be recognized;
General call address will be recognized if I
2
CADR[0] is set to logic 1.
Read data byte 1 0 0 0 Switched to not addressed SLV mode; No recognition of own SLA or
General call address. A START condition will be transmitted when the bus
becomes free
Read data byte 1 0 0 1 Switched to not addressed SLV mode; Own SLA will be recognized;
General call address will be recognized if I
2
CADR[0] is set to logic 1. A
START condition will be transmitted when the bus becomes free
90h Previously addressed with
General Call; Write data byte
has been received; ACK has
been returned
Read data byte X 0 0 0 Data byte will be received and NOT ACK will be returned
Read data byte X 0 0 1 Data byte will be received and ACK will be returned
98h Previously addressed with
General Call; Write data byte
has been received; NOT ACK
has been returned
Read data byte 0 0 0 0 Switched to not addressed SLV mode; no recognition of own SLA or
General call address
Read data byte 0 0 0 1 Switched to not addressed SLV mode; own SLA will be recognized;
General call address will be recognized if I
2
CADR[0] is set to logic 1.
Read data byte 1 0 0 0 Switched to not addressed SLV mode; no recognition of own SLA or
General call address.
A START condition will be transmitted when the bus becomes free
Read data byte 1 0 0 1 Switched to not addressed SLV mode;
Own SLA will be recognized;
General call address will be recognized if I
2
CADR[0] is set to logic 1. A
START condition will be transmitted when the bus becomes free
Table 82. I
2
C Slave Receiver Mode status codes …continued
Status
Code
ST[7:0]
Status of the I
2
C Bus and
the I
2
C interface Hardware
Application firmware Response Next Action Taken By the I
2
C interface Hardware
To /from I
2
CDAT TO I
2
CCON
STA STO SI AA