User Guide

Figure 53 GPS module

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 have reference clock of

external oscillator 38.4MHz and it is shared with BTHFMRDS2.0.

Figure 54 WLAN module

FM transmitter module

The FM transmitter module Si4713 is controlled by I2C from RAPIDO with left and right analog audio input

from the DAC33.

Figure 55 FM transmitter

RM-348; RM-349; RM-350

System Module and User Interface

Issue 2 COMPANY CONFIDENTIAL Page 8 –11