LG KE970 Service Manual page 20

3.2.5. USART Interface
KE970 have two UART Drivers as follow :
- USART1 : Hardware Flow Control / SW upgrade / Calibration
- USART2 : SW debug trace.
Table 3 USART Interface Spec.
USART_0(USART1)
Resource
USART0_TXD
USART0_RXD
USART0_CTS
USART0_RTS
USART_1(USART2)
USART1_TXD
USART1_RXD
USART1_CTS
USART1_RTS
3.2.6. ADC channel
BBP ADC block is composed of 7 external ADC channel . This block operates charging process and
other related process by reading battery voltage and other analog values.
Table 4 S-Gold2 ADC channel usage
ADC channel
Resource
M0
M1
M2
M7
M8
M9
M10
Name
TXD_0
RXD_0
CTS_0
RTS_0
DSR
TX_DEBUG
RX_DEBUG
N.C.
N.C.
Interconnection
BATT_TEMP
RF_TEMP
JACK_TYPE
H/W VERSION
VSUPPLY
I_MONITOR
REMOTE_ADC
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3. TECHNICAL BRIEF
Remark
Transmit Data
Receive Data
Clear To Send
Request To Send
N.C.
Trace data tx
Trace data rx
N.C.
N.C.
Description
Battery temperature measure
RF block temperature measure
Accessory type detect
S-Gold2 H/W version detect
Battery supply voltage measure
Current consumption measure
Remote control key detect