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3. TECHNICAL BRIEF
3.1.5 USIF Interface
KF350 have three USIF Drivers as follow :
- USIF1 : Hardware Flow Control / SW upgrade / Calibration
- USIF2 : Not used Rx, Tx and CTS, RTS use BT Interface
- USIF3 : BT Interface
Table 3. USIF Interface Spec.
3.1.6 ADC channel
BBP ADC block is composed of 10 external ADC channel. This block operates charging process and
other related process by reading battery voltage and other analog values.
Table 4. S-Gold3 ADC channel usage
LGE Internal Use Only
Copyright © 2008 LG Electronics. Inc. All right reserved.
Only for training and service purposes
Resource
Name
Remark
USIF1
USIF1_TXD TXD
Transmit
Data
USIF1_RXD RXD
Receive
Data
USIF1_CTS USB_DP
USIF1_RTS USB_DM
USIF2
USIF2_TXD NC
NC
USIF2_RXD NC
NC
USIF2_CTS BT_CTS
USIF2_RTS BT_RTS.
USIF3
USIF3_TXD
BT_TX
BT Transmit tx
USIF3_RXD
BT_RX
BT Receive rx
ADC channel
Resource
Interconnection
Description
M0
BAT_ID
Battery temperature measure
M1
RF_TEMP
RF block temperature measure
M2 N.C
M3
JACK_TYPE
Accessory type detect
M4 N.C
M5
H/W VERSION
S-Gold3 H/W version detect
M6 N.C
M7 N.C
M8
VSUPPLY
Battery supply voltage measure
M9 N.C
M10 N.C