SI4770-77-A20 Datasheet, PDF (47/54 Pages) Silicon Laboratories – HIGH-PERFORMANCE CONSUMER ELECTRONICS

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