
Data Sheet U16277EJ1V0DS
7
μ
PD30181A, 30181AY
PIN INDENTIFICATION (2/2)
NWIREEN:
PCS(4:0)#:
POWER:
POWERON:
PWM(2:0):
RAS#:
RMODE#:
ROMCS#:
RP#:
N-Wire enable
Programmable chip select
Power switch
Power on state
Pulse width modulation
SDRAM row address strobe
N-wire reset mode select
Chip select for ROM
SyncFlash memory
reset/power-down
Reset switch
Real-time clock reset
Real-time clock input
RSTSW#:
RTCRST#:
RTCX(2:1):
RTS0#, RTS1#, RTS2#: 16550 data request to send
RxD0, RxD1, RxD2:
16550 receive data
SA10:
SDRAM address 10-bit
SCLK:
I
SCL1, SCL0:
I
SCK:
CSI serial clock
SDA1, SDA0:
I
SDATAIN:
AC97 serial codec data input
SDATAOUT:
AC97 serial codec data output
SDCLK:
SDRAM clock
SDCS(3:2)#:
SyncFlash memory chip select
SDCS(1:0)#:
SDRAM chip select
SDI:
I
SDO:
I
SHCLK:
STN shift clock
SI:
CSI data input
2
S continuous clock
2
C clock
2
C data
2
S serial codec data input
2
S serial codec data output
SO:
SRESET#:
SYNC:
SYSDIR:
SYSEN#:
TC(1:0)#:
TPX(1:0):
TPY(1:0):
TxD0, TxD1, TxD2: 16550 transmit data
UBE#:
Upper byte enable for system bus
UDN:
USB function negative data
UDP:
USB function positive data
UHDN:
USB host negative data
UHDP:
USB host positive data
UOC:
USB host root hub port over current
UPON:
USB host root hub port power control
VDD2:
Internal power supply
VDD3:
I/O power supply
VDDAD:
A/D and D/A converter power supply
VDDO:
Oscillator power supply
VDDP:
PLL power supply
VDDTP:
Touch panel power supply
VDDU:
USB transceiver power supply
VPBIAS:
Bias power control
VPLCD:
Logic power control
VSYNC:
TFT vertical sync
WE#:
SDRAM write enable
WS:
I
CSI data output
AC97 reset
AC97 synchronous clock
System data direction
System data enable
Terminal counter
Touch panel X coordinate data
Touch panel Y coordinate data
2
S
word select
Remark
# indicates active low.