LG T5100 Service Manual page 30

Signal
FLASH_EN
C_PWDN
DSP_IRQ
_ASEB
_AUDATA3
_AUDATA2
_AUDATA1
_AUDATA0
AUDCK
CLKSD_EN
SDA
SCL
ADC_LRC
12M_OUT
SCIF_TXD
SCIF_RXD
CLK_SDRAM
DSP_RESET
DSP_CA
ASEMD0
DSP_TRST_N
DSP_TDO
DSP_TDI
DSP_TMS
DSP_TCK
_WEM
SDRAM_UD
WE_SD
_OE
STATUS0
_LCD_CS
_SDRAM_CS
_CAS
I/O Description
O Camera Flash enable
O Camera power down
I Dsp interrupt
I Emulator Break
I/O Audio data
/O Audio data
I/O Audio data
I/O Audio data
I Audio data clock
O SDRAM clock enable
O I2C data
O I2C clock
I I2S ADC-word clock signal.
I Audio clock in
O Uart serial data TX
I Uart serial data RX
O SDRAM clock
I DSP RESET
O DSP Chip Active
I Emulator mode select
I DSP reset emulator
I JTAG data out
O JTAG data in
O JTAG mode select
O JTAG clock
O Write enable
O SDRAM upper byte enable
O SDRAM write enable
O Read strobe
O DSP status
O LCD chip select
O SDRAM chip select
O SDRAM Column access strobe
- 31 -
2. TECHNICAL BRIEF
Connection
Camer Module
_CAM_ON
DBB(calypso)
JTAG Emulator
JTAG Emulator
JTAG Emulator
JTAG Emulator
JTAG Emulator
JTAG Emulator
SDRAM
Camer module
Camer module
Audio codec
Audio codec
JTAG
JTAG
SDRAM
GPIO Expander
GPIO Expander
IO expander
JTAG
JTAG
JTAG
JTAG
JTAG
LCD, memory
SDRAM
SDRAM
LCD, memory
DBB(calypso)
LCD
SDRAM
SDRAM