SI4736-C40-GUR Datasheet, PDF (31/42 Pages) Silicon Laboratories – BROADCAST AM/FM RADIO RECEIVER

8. Pin Descriptions: Si4736/37-GU
Si4736/37/38/39-C40
DOUT 1
DFS 2
GPO3/DCLK 3
GPO2/INT 4
GPO1 5
NC 6
NC 7
FMI 8
RFGND 9
NC 10
NC 11
AMI 12
24 LOUT
23 ROUT
22 DBYP
21 VDD
20 VIO
19 RCLK
18 SDIO
17 SCLK
16 SEN
15 RST
14 GND
13 GND
Pin Number(s)
1
2
3
4
5
6,7
8
9
10,11
12
13,14
15
16
17
18
19
20
21
22
23
24
Name
DOUT
DFS
GPO3/DCLK
GPO2/INT
GPO1
NC
FMI
RFGND
NC
AMI
GND
RST
SEN
SCLK
SDIO
RCLK
V_IO
V_DD
DBYP
ROUT
LOUT
Description
Digital output data in digital output mode.
Digital frame synchronization input in digital output mode.
General purpose output, crystal oscillator, or digital bit synchronous clock input
in digital output mode.
General purpose output or interrupt pin.
General purpose output.
No connect. Leave floating.
FM/WB RF inputs. FMI should be connected to the antenna trace.
RF ground. Connect to ground plane on PCB.
Unused. Tie these pins to GND.
AM RF input. AMI should be connected to the AM antenna.
Ground. Connect to ground plane on PCB.
Device reset (active low) input.
Serial enable input (active low).
Serial clock input.
Serial data input/output.
External reference oscillator input.
I/O supply voltage.
Supply voltage. May be connected directly to battery.
Dedicated bypass for V_DD and V_IO.
Right audio line output in analog output mode.
Left audio line output in analog output mode.
Rev. 1.0
31