SI4730-D60-GU Datasheet, PDF (29/42 Pages) Silicon Laboratories – BROADCAST AM/FM/SW/LW RADIO RECEIVER

5. Pin Descriptions
5.1. Si473x-D60-GM
Si4730/31/34/35-D60
NC 1
FMI 2
RFGND 3
AMI 4
RST 5
6
20 19 18 17
GND
PAD
7 8 9 10
16
15 DOUT
14 LOUT/[DFS]
13 ROUT/[DOUT]
12 GND
11 VA
Pin Number(s)
Name
Description
1, 20
NC
No connect. Leave floating.
2
FMI
FM RF inputs. FMI should be connected to the antenna trace.
3
RFGND RF ground. Connect to ground plane on PCB.
4
AMI
AM RF input. AMI should be connected to the AM antenna.
5
RST
Device reset input (active low).
6
SEN
Serial enable input (active low).
7
SCLK
Serial clock input.
8
SDIO
Serial data input/output.
9
RCLK
External reference oscillator input.
10
11
12, GND PAD
V_D
V_A
GND
Digital and I/O supply voltage.
Analog supply voltage. May be connected directly to battery.
Ground. Connect to ground plane on PCB.
13
ROUT/[DOUT] Right audio line output for analog output mode.
14
LOUT/[DFS] Left audio line output for analog output mode.
15
DOUT
Digital output data for digital output mode.
16
DFS
Digital frame synchronization input for digital output mode.
17
GPO3/[DCLK] General purpose output, crystal oscillator, or digital bit synchronous clock input
in digital output mode.
18
GPO2/[INT] ^{General purpose output or interrupt pin.}
19
GPO1
General purpose output.
Rev. 1.2
29