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Copyright © 2008 LG Electronics. Inc. All right reserved.
Only for training and service purposes
LGE Internal Use Only
3. TECHNICAL BRIEF
3.2.2.2. External Devices connected to memory interface
Device Name Maker Remark
NAND FLASH K5D1G12ACD-D075 SAMSUNG 1G(128Mx8) NAND
SDRAM K5D1G12ACD-D075 SAMSUNG 512M(32Mx16) 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 Interconnection Description
PABS S2_PA_BAND TX RF band select
T_OUT6 PA_MODE_2 PAM Mode select
FE1 VC1 FEM control
FE2 VC2 FEM control
PAEN PA_EN PAM Power on
VRAMP TX_RAMP APC
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 Name Remark
USART0_TXD SIM2_UART_TX Transmit Data
USART0_RXD SIM2_UART_RX Receive Data
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 Interconnection Description
M0 BAT_ID Battery IC check
M1 RF_TEMP RF block temperature measure
M8 VSUPPLY Battery supply voltage measure
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.
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