SI4770 Просмотр технического описания (PDF) - Silicon Laboratories

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SI4770

HIGH-PERFORMANCE CONSUMER ELECTRONICS BROADCAST RADIO RECEIVER AND HD RADIO TUNER

Silicon Laboratories 

9. Pin Descriptions: Si4770/77-A20

Si4770/77-A20

NC 1

FMXIP 2

FMXIN 3

RFGND 4

RFREG 5

FMO 6

FMI 7

NC 8

NC 9

AMI 10

GND PAD

30 NC

29 DCLK

28 DFS

27 DOUT

26 NC/QOUT

25 NC/IOUT

24 NC/IQFS

23 NC/IQCLK

22 VIO2

21 DBYP

Pin Number

1

2

3

4

5

6

7

8

9

10

11

12

13

Figure 28. Si4770/77 Pin Descriptions

Table 19. Pin Descriptions for Si4770/77

Name

NC

FMXIP

FMXIN

RFGND

RFREG

FMO

FMI

NC

NC

AMI

A0

A1

NC

I/O

Description

I No connect: Leave floating

I Balanced input to FM mixer (positive)

I Balanced input to FM mixer (negative)

RF Ground

O FM LNA regulator

O FM LNA output

I FM LNA input

No connect: Leave floating

No connect: Leave floating

I AM single-ended input

I I2C Address 0

I I2C Address 1

No connect: Leave floating

Rev. 0.9

47

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