3. H/W Circuit Description
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3.3.7. ADC Channels
ABB ADC block is composed of 4 internal ADC(Analog to Digital Converter) channels and 4 external
ADC channel. This block operates charging process and other related process by reading battery
voltage and other analog values.
Output Voltage
Usage
VRDBB
1.5V
Digital Core of DBB
VRIO
2.8V
Peripheral devices
VRMEM
2.8V
External memory
VRRAM
2.8V
LCD & peripheral devices
VRABB
2.8V
Analog Block of ABB
VRSIM
2.8V
SIM card driver
VRRTC
1.5V
RTC & 32kHz-crystal
Table 3-6. LDO Output Table
ADC 8 channels
Resource
Name
Description
VCHG
VCHG
VBAT
VBAT
Charging Management
ICHG
ICHG
VBACKUP
VBACKUP
Backup Battery
ADIN1
JACK_DETECT
Jack plug-in detect
ADIN2
BATT_TEMP
Battery Detect
ADIN3
TEMPSENSE
Temperature Sensing
ADIN4
HOOK_DETECT
HOOK_DETECT
Table 3-7. ADC Channel Spec.
Summary of Contents for L1150
Page 1: ...Service Manual Model L1150 Service Manual L1150 P N MMBD0034601 Date June 2004 Issue 1 0 ...
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Page 18: ...3 H W Circuit Description 17 Figure 1 Receiver Part Block Diagram ...
Page 42: ...3 H W Circuit Description 41 A BaseBand Components Component Side ...
Page 102: ...5 DISASSEMBLY INSTRUCTION 101 5 DISASSEMBLY INSTRUCTION 2 1 1 2 ...
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Page 113: ...7 BLOCK DIAGRAM 112 Baseband Part 7 BLOCK DIAGRAM The Block Diagram of the Baseband Part ...
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