LG CED-8083B Service Manual page 58

Pin No. Pin Name
16 RD5
17 RD4
18 RD3
19 RD2
33 RD1
32 RD0
38 RRAS0#
30 RCASH#
31 RCASL#
37 RWE#
36 ROE#
Power Supply
Pin No.
9
10, 22, 34, 46, 55,
63, 74, 83, 92,
108, 134, 173, 189
11, 23, 35, 47, 58,
66, 75, 84, 93,
109, 135, 174, 190
152, 153, 157,
158, 199, 206
1, 150, 155, 156,
165, 195, 200
164, 196
205
Type
I/O RAM Data : Data for DRAM
PUA
Possible to set bus size (16 bit/8bit) by setting internal registers
O Row Address Strobe 0 : RAS for DRAM
O Column Address Strobe High : CAS0 for DRAM – If 16 bit bus is selected, this pin
used by strobe
O Column Address Strobe Low
I/O Write Enable 0 : WE0 for DRAM
Write strobe of RD [7:0] when 16 bit data bus is selected
I/O Output Enable : OE for DRAM
Pin Name
VDD5
VDD
VSS
AVDD
AVSS
VREF
2VREF
Description
Description
5 Volts
Digital Power 3.3 Volts
Digital Ground
Analog Power 3.3 Volts
Analog Ground
Reference voltage 2.1 Volts
Reference voltage 4.2 Volts
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