Si4421, Internal pin connections – Silicon Laboratories SI4421 User Manual

Page 5

background image

Si4421

5

Internal Pin Connections

Pin

Name

Internal connection

1 SDI

2 SCK

3 nSEL

PAD

1.5k

VSS

VDD

4 SDO

5 nIRQ

FSK

DATA

6

nFFS

DLCK

CFIL

7

FFIT

8 CLK

PAD

10

VSS

VDD

XTL

9

REF

Pin

Name

Internal connection

10 nRES

11 VSS

12 RF2

13 RF1

14 VDD

15 ARSSI

nINT

16

VDI