- Power-on Reset Generator with logic state machine
- I2C bus interface
- I2C bus configurable mode control logic with ON (push-button or RTC), VCXOEN and LRF3EN
(wake-up by Bluetooth) inputs
- Programable interrupt channels to handle peripherals like SIM, MMC and USB
- Monitoring of charging functions
- Undervoltage Shut-Down
- Errorflags (volatile or non-volatile) from many power-supply functions and thermal sensor in order to
debug system
- Overtemperature Shut-Down
- Overtemperature Warning
- Support of S-GOLD standby power-down concept
- Support of S-GOLD Power-Down Pad Tristate Function
Table 6. LDO Output Table of SM-Power
- 34 -
3. TECHNICAL BRIEF
LGE Internal Use Only
Copyright © 2008 LG Electronics. Inc. All right reserved.
Only for training and service purposes
LDO
Net name
Output Voltage Output Current
Usage
SD1
1V35_Core
1.35V
600mA
Core & for LDO
SD2 1V8_SD
1.8V
300mA
Memory
VAUX
2V85_VAF
2.85V
100mA
Cam Auto Focus
VIO 2V62_VIO 2.62V
100mA
Peripherals
VSIM 2V9_SIM
2.9V
70mA
SIM
card
VMME 2V8_VMME
2.9V
150mA
u-SD
VUMTS 2V85_AMP
2.85V
110mA
Headset
AMP
VUSB VUSB
3.1V
40mA
Not
used
VLED VLED
2.9V
10mA
Not
used
VAUDIOa 2V5_VAUDA
2.5V
200mA
Stereo headset, Mono earpiece
VAUDIOb 2V5_VAUDB
2.5V
50mA
Analog parts of S-Gold
VRF1
2V85_VRF
2.85V
150mA
2.85 V supply for SMARTi-PM RF transceiver
VRF2
1V5_VRF
1.53V
100mA
1.5 V supply for SMARTi-PM RF transceiver
VRF3 2V65_VBT
2.7V
150mA
Bluetooth
VPLL 1V35_VPLL 1.35V
30mA
S-GOLD3
PLL
VRTC
2V11_RTC
2.11V
4mA
Real Time Clock
VAFC
VAFC
2.65V 5mA
Not
used
VVIB 2V8_CAM_A 2.8V
140mA
LCD
Содержание KP500
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