LG HT303PD Service Manual page 38

Pin Main
79 DVSS18
50, 68,84 DVDD33
60 DVSS
33 GPIO3
34 GPIO4
35 GPIO6
36 SF_CS_
37 SF_DO
38 SF_DI
39 SF_CK
40 UP1_6
41 UP1_7
42 ICE
43
PRST#
44 IR
45 RD0
46 RD1
47 RD2
48 RD3
49 RD4
51 RD5
52 RD6
53 RD7
55 DQM0
56 RD15
57 RD14
58 RD13
Copyright © 2009 LG Electronics. Inc. All right reserved.
Only for training and service purposes
Alt. Type
Ground
Power
Ground
Micro Controller , Flash I nterface and GPIO(12)
InOut
INT#
8mA, SR
PD, SMT
InOut
4mA, PD
InOut
4mA, PD
InOut
8mA, SR
PU, SMT
InOut
8mA, SR
PD, SMT
InOut
8mA, SR
PU, SMT
InOut
8mA, SR
PD, SMT
InOut
SCL 8mA, SR
PU, SMT
InOut
SDA 4mA, SR
PU, SMT
Input
PD, SMT
Input
PU, SMT
Input
SMT
Dram Interface (37) (Sorted by position)
InOut
4mA
InOut
4mA
InOut
4mA
InOut
4mA
InOut
4mA
InOut
4mA
InOut
4mA
InOut
4mA
InOut
4mA, PD
InOut
4mA
InOut
4mA
InOut
4mA
Description
1.8V Ground pin for internal digital circuitry
3.3V power pin for internal digital circuitry
3.3V Ground pin for internal digital circuitry
1) General purpose IO 3
2) Microcontroller external interrupt 1
General purpose IO 4
General purpose IO 6
Serial Flash Chip Select
Serial Flash Dout
Serial Flash Din
Serial Flash Clock
1) Microcontroller port 1-6
2) I2C clock pin
1) Microcontroller port 1-7
2) I2C data pin
Microcontroller ICE mode enable
Power on reset input, active low
IR control signal input
DRAM data 0
DRAM data 1
DRAM data 2
DRAM data 3
DRAM data 4
DRAM data 5
DRAM data 6
DRAM data 7
Data mask 0
DRAM data 15
DRAM data 14
DRAM data 13
2-29 LGE Internal Use Only