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LG GSA-4040B Service Manual page 67

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• Pin Description
A0-A23
: Address Bus
ADTRG
: A/D Trigger Input
ANI0-ANI7
: Analog Input
AV
: Analog Power Supply
DD
AV
: Analog Reference Voltage
REF
AV
: Analog Ground
SS
BCYST
: Bus Cycle Start Timing
CKSEL
: Clock Generator Operating Mode Select
CLKOUT
: Clock Output
CS0-CS7
: Chip Select
CV
: Clock Generator Power Supply
DD
CV
: Clock Generator Ground
SS
D0-D15
: Data Bus
DMAAK0-DMAAK3 : DMA Acknowledge
DMARQ0-DMARQ3 : DMA Request
HLDAK
: Hold Acknowledge
HLDRQ
: Hold Request
HV
: Power Supply for External Pins
DD
INTP100-INTP103, : Interrupt Request from Peripherals
INTP110-INTP113,
INTP120-INTP123,
INTP130-INTP133,
INTP140-INTP143,
INTP150-INTP153
IORD
: I/O Read Strobe
IOWR
: I/O Write Strobe
LCAS
: Lower Column Address Strobe
LWR
: Lower Write Strobe
MODE0-MODE3
: Mode
NMI
: Non-Maskable Interrupt Request
OE
: Output Enable
P00-P07
: Port 0
P10-P17
: Port 1
P20-P27
: Port 2
P30-P37
: Port 3
P40-P47
: Port 4
P50-P57
: Port 5
P60-P67
: Port 6
P70-P77
: Port 7
P80-P87
: Port 8
P90-P97
: Port 9
P100-P107
: Port 10
P110-P117
: Port 11
P120-P127
: Port 12
PA0-PA7
: Port A
PB0-PB7
: Port B
PX5-PX7
: Port X
RAS0-RAS7
: Row Address Strobe
RD
: Read Strobe
REFRQ
: Refresh Request
RESET
: Reset
RXD0, RXD1
: Receive Data
SCK0-SCK3
: Serial Clock
SI0-SI3
: Serial Input
SO0-SO3
: Serial Output
TC0-TC3
: Terminal Count Signal
TCLR10-TCLR15
: Timer Clear
TI10-TI15
: Timer Input
TO100, TO101,
: Timer Output
TO110, TO111,
TO120, TO121,
TO130, TO131,
TO140, TO141,
TO150, TO151
TXD0, TXD1
: Transmit Data
UCAS
: Upper Column Address Strobe
UWR
: Upper Write Strobe
V
: Power Supply for Internal Unit
DD
V
: Ground
SS
WAIT
: Wait
WE
: Write Enable
X1, X2
: Crystal
69

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