SI4710-B30 Datasheet, PDF (31/40 Pages) Silicon Laboratories – Si4710/11-B30 FM RADIO TRANSMITTER

7. Pin Descriptions: Si4710/11-GM
Si4710/11-B30
NC 1
NC 2
RFGND 3
TXO 4
RST 5
6
20 19 18 17 ₁₆
15 RIN
GND
PAD
14 DFS
13 DIN
12 GND
7 8 9 10 ^{11 VDD}
Pin Number(s)
1, 2, 20
3
4
5
6
7
8
9
10
11
13
14
15
16
17
18
19
12, GND PAD
Name
NC
RFGND
TXO
RST
SEN
SCLK
SDIO
RCLK
V_IO
V_DD
DIN
DFS
RIN
LIN
GPO3/DCLK
GPO2/INT
GPO1
GND
Description
No connect. Leave floating.
RF ground. Connect to ground plane on PCB.
FM transmit output connection to transmit antenna.
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.
Digital input data.
Digital frame synchronization input.
Right audio line input.
Left audio line input.
General purpose output/digital bit synchronous clock input.
General purpose output/interrupt request.
General purpose output.
Ground. Connect to ground plane on PCB.
Rev. 1.1
31