NF663 new-reader project development brief
Fill in what is known; mark unavailable information as not measured or to confirm.

Project / company:
Contact:
Application:
Project stage / selected reader IC, if any:
Schematic / PCB revision:
MCU and host interface:
Firmware / reader-library version:
Target card / tag technologies and data rates:

Electrical requirements
VDD range:
PVDD range and startup / shutdown sequencing:
TVDD range and measured field-on current:
Required ambient temperature:
Power budget / low-power operation:

RF and mechanical requirements
Antenna dimensions / turns / connection:
Measured antenna impedance and measurement conditions:
Enclosure / nearby metal:
Required card positions and reading distance:
Security or application-specific approval requirements:

Baseline and evidence
VersionReg result and host-bus capture:
Known working cards / failing cards:
Field-on supply minimum and ripple:
Observed fault and steps to reproduce:
Available schematic, layout, RF data and trace files:

Questions for Nyfea
Current controlled NF663 specification and errata:
Sample availability / ordering conditions:
Evaluation-board availability and configuration:
MCU examples and software support:
Scope of schematic review / firmware / antenna assistance:
Open hardware, firmware or RF questions for this project:

Public resources
Product and support entry: https://www.nyfea.com/products/rfid-reader-ic/nf663/
Specification: https://www.nyfea.com/products/rfid-reader-ic/nf663/NF663.pdf

This is a request template. It does not promise sample availability, compatibility,
test performance or a particular scope of supplier support. Share only project
material you are authorized to disclose.

NFC command writer / wake-up target (if applicable)
Target tag model and memory mode (EEPROM / mailbox):
Required ISO 15693 commands and write options:
Command size, record format, sequence ID and commit scheme:
Writer field-on policy and timeout recovery:
Target power source, GPO event configuration and latch GPIO:
PCB / schematic / firmware revision match:
GPO, switch control, target supply and hold timing captures:
Stored-data readback and application completion channel:
Duplicate-command policy and interrupted-write tests:

The public ST25DV/Pico case is a design reference, not an NF663 test report.