SI4704-D60-GUR Datasheet, PDF (28/39 Pages) Silicon Laboratories – BROADCAST FM RADIO RECEIVER WITH RDS/RBDS

Si4704/05-D60
5.2. Si4704/05-D60-GU
DOUT 1
DFS 2
GPO3/[DCLK] 3
GPO2/[INT] 4
GPO1 5
NC
6
NC 7
FMI
8
RFGND 9
NC 10
LPI 11
NC 12
24 LOUT/[DFS]
23 ROUT/[DOUT]
22 DBYP
21 VA
20 VD
19 RCLK
18 SDIO
17 SCLK
16 SEN
15 RST
14 GND
13 GND
Pin Number(s)
1
2
3
Name
DOUT
DFS
GPO3/[DCLK]
Description
Digital output data for digital output mode.
Digital frame synchronization input for digital output mode.
General purpose output, crystal oscillator, or digital bit synchronous clock input
in digital output mode.
4
5
6,7
8
9
10
11
12
13,14
GPO2/[INT]
GPO1
NC
FMI
RFGND
NC
LPI
NC
GND
General purpose output or interrupt pin.
General purpose output.
No connect. Leave floating.
FM RF inputs. FMI should be connected to the antenna trace.
RF ground. Connect to ground plane on PCB.
Unused. Tie these pins to GND.
Embedded antenna input.
Unused. Tie these pins to GND.
Ground. Connect to ground plane on PCB.
15
RST
Device reset input (active low).
16
SEN
Serial enable input (active low).
17
SCLK
Serial clock input.
18
SDIO
Serial data input/output.
19
RCLK
External reference oscillator input.
20
V_D
Digital and I/O supply voltage.
21
V_A
Analog supply voltage. May be connected directly to battery.
22
DBYP
Bypass capacitor.
23
ROUT/[DOUT] Right audio line output in analog output mode.
24
LOUT/[DFS] Left audio line output in analog output mode.
28
Rev. 1.2