LG KP500 Service Manual page 22

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.
Resource
USIF1
USIF1_TXD
USIF1_RXD
USIF1_CTS
USIF1_RTS
USIF2
USIF2_TXD
USIF2_RXD
USIF2_CTS
USIF2_RTS
USIF3
USIF3_TXD
USIF3_RXD
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
ADC channel
Resource
M0
M1
M2
M3
M4
M5
M6
M7
M8
M9
M10
Copyright © 2008 LG Electronics. Inc. All right reserved.
Only for training and service purposes
Name
UART_TX
UART_RX
USB_DP
USB_DM
NC
NC
BT_CTS
BT_RTS.
BT_TX
BT_RX
Interconnection
BAT_ID
RF_TEMP
N.C
JACK_TYPE
N.C
H/W VERSION
N.C
ICLD
VSUPPLY
N.C
N.C
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3. TECHNICAL BRIEF
Remark
Transmit Data
Receive Data
NC
NC
BT Transmit tx
BT Receive rx
Description
Battery temperature measure
RF block temperature measure
Accessory type detect
S-Gold3 H/W version detect
Battery supply voltage measure
LGE Internal Use Only