LG -A270 Service Manual page 15

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3.1.1 Platform features
3.1.1 Platform features
General
-band , audio-band ,RF ,FM and base-band analog front ends
MCU subsystem
-S 32-bit RISC processor
-performance multi-layer AMBA bus
-Purpose timers.
Serial flash interface
User interfaces
-row x 5-column keypad controller with a hardware scanner
-time clock (RTC) operating with a separate power supply
-purpose I/Os (GPIOs)
Connectivity
3.1.2 Modem features
3.1.2 Modem features
Radio interface and baseband front-end
-bit D/A converter for Automatic Power Control (APC)
LGE Internal Use Only
LGE Internal Use Only
-ball , 0.5mm pitch package
-sigma ADC converts the downlink IF baseband
-end
Copyright © 2012 LG Electronics. Inc. All right reserved.
12
O nly for training and service purposes
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Copyright © 01 LG Electronics. Inc. All right reserved.
3. TECHNICAL BRIEF
3. TECHNICAL BRIEF
Only for training and service purposes

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