Product data

MFRC631 All information provided in this document is subject to legal disclaimers. © NXP B.V. 2014. All rights reserved.
Product data sheet
COMPANY PUBLIC
Rev. 3.3 — 4 February 2014
227433 29 of 120
NXP Semiconductors
MFRC631
High performance ISO/IEC 14443 A/B reader solution
8.4.6.10 Non-IEEE1149.1 commands
Interface on/off: With this command the host/SAM interface can be deactivated and the
Read and Write command of the boundary scan interface is activated. (Data = 1). With
Update-DR the value is taken over.
Register Access Read: At Capture-DR the actual address is read and stored in the DR.
Shifting the DR is shifting in a new address. With Update-DR this address is taken over
into the actual address.