RF430CL331HIPWR datasheet(37/60 Pages) TI1

37 / 60 page

RF430CL331H

www.ti.com

SLASE18A – SEPTEMBER 2015 – REVISED NOVEMBER 2015

5.11.2 Status Register

Table 5-12. Status Register

ADDRESS

0xFFFD

Reserved

ADDRESS

Type 4

0xFFFC

Reserved

Command

Reserved

RF Busy

CRC Active

Device Ready

MSb

LSb

Table 5-13. Status Register Description

BIT

FIELD

TYPE

RESET

DESCRIPTION

15-6

Reserved

Reserved for future use. Write with 0.

This is set after a NFC Type 4 command is received and only must be serviced

if a General Type 4 request interrupt has been asserted.

Bit 5 + Bit 4

00b = No Type 4 command has been received

5-4

Type 4 Command

01b = File Select Command has been received and must be serviced

10b = Read Binary command has been received and must be serviced

11b = Update Binary command has been received and must be serviced

Reserved

Reserved for future use. Write with 0.

0b = No RF communication ongoing

RF Busy

1b = RF communication ongoing

0b = No CRC calculation ongoing

CRC Active

1b = CRC calculation ongoing

0b = Device not ready

Device Ready

1b = Device ready for serial communication and control

Detailed Description

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