Harman Kardon HS 2X0/230 Series Service Manual page 33

harman/kardon
Si4704/05
6. Pin Descriptions: Si4704/05-GM
Pin Number(s)
1, 20
2
3
4
5
6
7
8
9
10
11
13
14
15
16
17 GPO3/DCLK
18
GPO2/INT
19
12, GND PAD
28
20
NC 1
FMI 2
RFGND 3
LPI 4
RST 5
6
7
Name
NC No connect. Leave floating.
FMI FM RF input.
RFGND RF ground. Connect to ground plane on PCB.
LPI Loop antenna RF input.
RST Device reset (active low) input.
SEN Serial enable input (active low).
SCLK Serial clock input.
SDIO Serial data input/output.
RCLK External reference or crystal oscillator input.
VIO I/O supply voltage.
VDD Supply voltage. May be connected directly to battery.
ROUT Right audio analog line output.
LOUT Left audio analog line output.
DOUT Digital audio output data.
DFS Digital frame synchronization.
General purpose output/digital bit synchronous clock or crystal oscillator
input.
General purpose output/interrupt.
GPO1 General purpose output.
GND Ground. Connect to ground plane on PCB.
Preliminary Rev. 0.8
19 18 17
16
15 DOUT
GND 14 LOUT
PAD
13 ROUT
12 GND
11 VDD
8 9 10
Description
HS 2X0/230 Service Manual
Page 33 of 73