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3. TECHNICAL BRIEF
3.15 Bluetooth
KS10 supported bluetooth, which is possible to data file transfer, BT headset call.
CPU (STn8810) interfaces with bluetooth one chip module (U401) which includes RF and baseband.
The STLC2500C is a single chip ROM-based Bluetooth solution for applications requiring integration
up to HCI level.
The STLC2500C's main interfaces are UART for HCI transport between CPU (STn8810) and bluetooth
module, PCM for voice between audio codec.(WM8753) and bluetooth module and GPIOs for control
purposes. Voice data is transferred to CPU(STn8810) through audio codec.(WM8753).
The radio has been designed specifically for single chip requirements and for low power consumption.
Radio signal from bluetooth antenna (ANT400) is transferred to bluetooth module through BALUN filter
(FL400). Bluetooth module has its’ own oscillator (X400, 27MHz) for normal operation and use sleep
clock(32.768KHz) from PM6650, PMIC of MSM 6275.
■
Bluetooth™ specification compliance: V1.2
■
Transmit Power : Power Class2
■
Ultra low power architecture with 3 different low power levels:
- Sleep Mode
- Deep Sleep Mode
- Complete Power Down Mode
LGE Internal Use Only
Copyright © 2007 LG Electronics. Inc. All right reserved.
Only for training and service purposes
Figure. Diagram of STLC2500C
Содержание KS10
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