LG CU920 Manual page 35

VUSB
USB-OTG
host power ckt
USB_VBUS
External Supply
VCHG
USB_CTL_N
Charger
Control
CHG_CTL_N
ISNS_P
Under-Volt
Lockout
ISNS_M
BAT_FET_N
Trickle Charger
VBAT
VCOIN
Vcoin
ADC_BYP
AMUX_IN1 (MPP1)
AMUX_IN2 (MPP2)
TCXO
TCXO_EN
Controller
to TCXO
Reg
TCXO_IN
Circuits
CBL1PWR_N (MPP4)
CBL0PWR_N (MPP3)
Power-on
Circuits
PS_HOLD
KPDPWR_N
SBCK
Serial Bus
SBST
Interface
SBDT
Interrupt
Manager
IC
Interf aces
USB_OE_N
USB-OTG
USB_DAT
Transceiver
USB_SE0
RUIM_M_RST (MPP5)
RUIM Level
RUIM_M_CLK (MPP9)
Translator
RUIM_M_IO (MPP11)
GND_SLUG Center Slug
Copyright © 2008 LG Electronics. Inc. All right reserved.
Only for training and service purposes
VREG_5V
Detector
IMAXSEL_FC
VMAXSEL
MUX
diff
Battery
Control
Inpu t Power
Management
VBATDET
Battery
Detectors
THLVB
I/F
Coin Cell
Charger
PON_RESET_N
VREG_MSMP
General
Housekeeping
Offset and
Scaling
VREF
Real Time Clock
RC Osc
div
Circuits
SMPS
Clock
XTAL_IN XTAL_OUT
PON_RESET_N
internal interface connections
I/F
MSM_INT_N
USB_D_P
USB_D_M
USB_ID
RUIM_RST (MPP6)
SPKR_BYP
RUIM_CLK (MPP10)
RUIM_IO (MPP12)
SPKR_IN_P
SPKR_IN_M
Figure. 3.5.5.2 PM6650 Block Diagram
REF_ISET
REF_BYP
REF_GND
VDD_MSMC
VDD_MSME
VDD_PA
VDD_MSM
to internal
analog ckts
VREF
VDD_ANA
VDD_RUIM
VBACKUP
VREG_5V
sw itch
I/F VU SB
VDD_RF
AMUX_OUT
REF_OUT
(MPP8)
I/F
VREF
TCXO_OUT
VDD_WLAN
SLEEP_CLK
from TCXO
Controller
VDD_MAIN
to internal
logic ckts
I/F
VREF
- 37 -
3. TECHNICAL BRIEF
Outp ut
Reference
Voltage
Circuit
Regu lation
VSW_5V
+5V Boost
Regulator
VREG_5V
VR EG_5V
VSW_MSMC
Core Buck
Regulator
VREG_MSMC
VSW_MSME
EBI Buck
Regulator
VREG_MSME
VSW_PA
PA Buck
Regulator
VREG_PA
to / from
Power On Circuits
VREG_MSMP
MSM_PAD
Regulator
to digital
I/O circuits
MSM_Analog
VREG_MSMA
Regulator
VREG_MMC
MMC
Regulator
RUIM
VREG_RUIM
Regulator
USB
VREG_USB
Regulator
RF_RX1
VREG_RFRX1
Regulator
RF_TX
VREG_RFTX
Regulator
WLAN
VREG_WLAN
Regulator
RF_RX2
VREG_RFRX2
Regulator
TCXO
VREG_TCXO
Regulator
Synthesizer
VREG_SYNT
Regulator
VREF
Current Controls
User
Ref
Interfaces
SPKR_OUT_P
SPKR_OUT_M
LGE Internal Use Only