Wlan Module; Fm Transmitter Module - Nokia RM-506 Service Manual

Signal name
REF_CLK
GPS_CLK
RTC_CLK
Control
GPS_EN_RESET
AGPS_CLK_REQ
IO_TIMESTAMP_DATAR
DY
IO_PA_EN
Comms
I2C_SCL_U1TX
I2C_SDA_U1RX
Power
VDDS
VBatt 1 & 3
VBatt 2
VSS

WLAN module

WLAN module HW53 supports WLANSize4.0 release. WLAN module is configured as Cellular engine SPI slave.
WLAN and Bluetooth co-existence is supported via BTH-WLAN interface. WLANSize4.0 has a reference clock
of external oscillator 38.4MHz and it is shared with BTHFMRDS2.3

FM transmitter module

The FM transmitter module Si4713 is controlled by I2C from RAPIDO with left and right analog audio input
from the DAC33.
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I/O
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Figure 66 WLAN module
COMPANY CONFIDENTIAL
Copyright © 2009 Nokia. All rights reserved.
System Module and User Interface
Function
Reference Clock = RF Cellular clock, Min 0.2V
Connection of 16.368MHz GPS TCXO
Cellular engine 32768 Hz sleep clock
GPS engine reset
MCU Interrupt when GPS requires CE to be awake
(Host Wakeup)
Strobe for accurately marking in real time,
timing information from the cellular engine.
DATARDY indication to download code through
synchronous operation from cellular engine.
Used to implement PA blanking when cellular PA
is ON
I2C clk line
I2C data line
Cellular engine I/O supply
Phone battery power or SMPS power
Phone battery power
Ground plane
RM-505; RM-506
pk-pk
Issue 1