SI4706-C31 Datasheet, PDF (28/36 Pages) Silicon Laboratories – HIGH-PERFORMANCE FM RDS/RBDS RECEIVER

Si4706-C31
6. Pin Descriptions: Si4706-GM
NC 1 ^{20 19 18 17} 16
FMI 2
15 DOUT
RFGND 3
LPI 4
GND
PAD
14 LOUT
13 ROUT
RST 5
12 GND
6 _{7 8 9 10} 11 VDD
Pin Number(s)
1, 20
2
3
4
5
6
7
8
9
10
11
13
14
15
16
17
18
19
12, GND PAD
Name
NC
FMI
RFGND
LPI
RST
SEN
SCLK
SDIO
RCLK
V_IO
V_DD
ROUT
LOUT
DOUT
DFS
GPO3/DCLK
GPO2/INT
GPO1
GND
Description
No connect. Leave floating.
FM RF input.
RF ground. Connect to ground plane on PCB.
Loop antenna RF input.
Device reset input (active low).
Serial enable input (active low).
Serial clock input.
Serial data input/output.
External reference or crystal oscillator input.
I/O supply voltage.
Supply voltage. May be connected directly to battery.
Right audio analog line output.
Left audio analog line output.
Digital audio output data.
Digital frame synchronization.
General purpose output/digital bit synchronous clock or crystal oscillator
input.
General purpose output/interrupt.
General purpose output.
Ground. Connect to ground plane on PCB.
28
Rev. 1.0