Datasheet

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 210 of 222
NXP Semiconductors
PN532/C1
Near Field Communication (NFC) controller
12.24 Timing for the SPI compatible interface
Table 319. SPI timing specification
Symbol Parameter Conditions Min Typ Max Unit
t
SCKL
SCK low pulse width 50 ns
t
SCKH
SCK high pulse width 50 ns
t
SHDX
SCK high to data changes 25 ns
t
DXSH
data changes to SCK high 25 ns
t
SLDX
SCK low to data changes 25 ns
t
SLNH
SCK low to NSS high 0 ns
Fig 49. SPI timing diagram