Only For Training And Service Purposes - LG KS660 Service Manual

3.2.2.2. External Devices connected to memory interface
Device
NAND FLASH
SDRAM
3.2.2.3. RF Interface
S-GOLDradio uses this interface to control RF IC and Peripherals. 6 signals are provided switch on/off
RF ICs Periodically each TDMA frame.
T_OUT
Resource
PABS
T_OUT6
FE1
FE2
PAEN
VRAMP
3.2.2.4. USART Interface
KS660(SGold Radio Part) has a UART Driver as follow :
- USART1 : Hardware Flow Control / SW upgrade / Calibration
USART_0(USART1)
Resource
USART0_TXD
USART0_RXD
3.2.2.5. ADC channel
SGold Radio 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.
ADC channel
Resource
M0
M1
M8
3.2.2.6. GPIO map
Over a hundred allowable resources, KS660 is using as follows except dedicated to SIM and Memory.
KS660 GPIO(General Purpose Input/Output) Map, describing application, I/O state, and enable level, is
shown in below table.
Copyright © 2008 LG Electronics. Inc. All right reserved.

Only for training and service purposes

Name
K5D1G12ACD-D075
K5D1G12ACD-D075
Interconnection
S2_PA_BAND
PA_MODE_2
VC1
VC2
PA_EN
TX_RAMP
Name
SIM2_UART_TX
SIM2_UART_RX
Interconnection
BAT_ID
RF_TEMP
VSUPPLY
Maker Remark
SAMSUNG 1G(128Mx8) NAND
SAMSUNG 512M(32Mx16) SDRAM
Description
TX RF band select
PAM Mode select
FEM control
FEM control
PAM Power on
APC
Remark
Transmit Data
Receive Data
Description
Battery IC check
RF block temperature measure
Battery supply voltage measure
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3. TECHNICAL BRIEF
LGE Internal Use Only