Specifications

Si4730/31/34/35-D60
Rev. 1.1 31
5. Pin Descriptions
5.1. Si473x-D60-GM
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
V
D
Digital and I/O supply voltage.
11
V
A
Analog supply voltage. May be connected directly to battery.
12, GND PAD GND 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/[LIN] Digital output data for digital output mode or Left channel input for AUXIN ADC
mode.
16
DFS/[RIN] Digital frame synchronization input for digital output mode or Right channel input
for AUXIN ADC 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.
GND
PAD
1
2
3
17181920
11
12
13
14
6
7 8 9
4
5
16
10
15
GPO2/[INT]
VD
DOUT/[LIN]
LOUT/[DFS]
ROUT/[DOUT]
GNDRST
NC
AMI
RCLK
SDIO
VA
FMI
RFGND
GPO3/[DCLK] NC GPO1 DFS/[RIN]
SCLK
SEN