Timing Diagram

Note:

CREF output clock frequency is much lower than PLL output frequency. The figure shown above is just for

presentation.

State table:

EN

DIN

PAOUT

CREF

0000

0

1

300~450MHz

143~215Hz

1

0

0

143~215Hz

1

1

300~450MHz

143~215Hz

Note:

PAOUT output frequency is 13.56MHz

´32=433.92MHz and CREF output clock frequency is

13.56MHz/2

HT9831

Rev. 1.20

4

November 5, 2014

500us

>300ms~500ms

300ms~500ms

500us

300ms~500ms

EN

DIN

PLL

CREF

150Hz/207Hz

10Kbps

315MHz/433MHz

PAOUT