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3. TECHNICAL BRIEF
3.2.5 USIF Interface
KF350 have three USIF Drivers as follow :
- USIF1 : Hardware Flow Control / SW upgrade / Calibration
- USIF2 : MON used Rx, Tx and CTS, RTS use BT Interface
- USIF3 : BT Interface
Table 3. USIF Interface Spec.
3.2.6 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 UART_TX Transmit Data
USIF1_RXD UART_RX 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 ICLD
M8 VSUPPLY Battery supply voltage measure
M9 N.C
M10 N.C
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