Nokia RM-506 Service Manual page 181

RM-505; RM-506
FMTx 2.1 Technical Description
Device pin layout (Si4713-GM) and interfaces
Inteface pin descriptions
Pin Number(s)
1, 2, 20
3
4
5
6
7
8
9
10
11
13
14
15
16
17
Issue 1
Name
NC No connect, left floating.
RFGND RF ground. Connected to ground
plane on PCB.
TXO FM transmitter output connection
to Tx antenna.
RST Device reset (active low) input.
SEN Serial enable input (active low).
SCLK Serial clock input.
SDIO Serial data input/output.
RCLK External reference oscillator input.
VIO I/O supply voltage.
VDD Supply voltage.
DIN Digital input data.
DFS Digital frame synchronisation.
RIN Right audio line input.
LIN Left audio line input.
GPO3/DCLK General purpose output – Digital bit
synchronous clock.
COMPANY CONFIDENTIAL
Copyright © 2009 Nokia. All rights reserved.
Description
Page 6 –7