AS3953B datasheet(49/65 Pages) AMSOSRAM

Part #	AS3953B

Description	14443 High Speed Passive Tag Interface

PDF	65 Pages

Scroll/Zoom	100%

Manufacturer	AMSOSRAM [ams-OSRAM AG]

Direct Link	https://ams-osram.com/

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Page 48

ams Datasheet

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[v1-04] 2016-Jan-07

AS3953B − Application Information

Display Registers

Figure 57:

RFID Status Display Register

Note(s):

1. The information read from this register can be false during reception (the logic state change during reception and the readout of

status can be done just at the moment when the status is changing).

2. The RFID Status Display Register is not a real register. By reading this register, controller has access to specific RFID logic internal

signals in order to observe its internal state.

Address# 04h : RFID Status Display

Type: R

Bit

Name

Function

Comments

7hf_pon

1: PICC AFE is active

AFE Power-on signal

6state<2>

000: POWER OFF

001: IDLE

010: READY 011 – ACTIVE

101: HALT

110: READYX

111: ACTIVEX

100: L4

PICC Logic state

5state<1>

4state<0>

RFU

2RFU

1RFU

0RFU

AS3953B Datasheet(PDF) 49 Page - ams-OSRAM AG