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3. TECHNICAL BRIEF
LGE Internal Use Only
Copyright © 2008 LG Electronics. Inc. All right reserved.
Only for training and service purposes
3.13.2.4 HKADC (House Keeping ADC)
The MSM6280 TS/HKADC is an 8-bit successive-approximation circuit. The resolution of the ADC is 8-
bit. The TS/HKADC block diagram is shown in Figure. The TS/HKADC contains four main subblocks: a
6- channel MUX, a sample and hold circuit, a digital-to-analog converter, and a comparator latch block.
Table. HKADC channel table
Channel
Signal
Note
HKADC0
AMUX_OUT
RF PAM Temperature sensing
HKADC1
VBATT_SENSE
Battery voltage level sensing
HKADC2
-
-
HKADC3
VBAT_TEMP
Battery Temperature sensing
HKADC4
PCB_Rev_ADC
PCB Revision Checking
HKADC5
-
-
Figure. MSM6280 HKADC Block diagram
Summary of Contents for KT610
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