LG HT353SD - Page 38

Copyright © 2008 LG Electronics. Inc. All right reserved.
Only for training and service purposes
LGE Internal Use Only
2-29
Pin Main Alt. Type Description
79 DVSS18 Ground 1.8V Ground pin for internal digital circuitry
50, 68,84 DVDD33 Power 3.3V power pin for internal digital circuitry
60 DVSS Ground 3.3V Ground pin for internal digital circuitry
Micro Controller , Flash I nterface and GPIO(12)
33 GPIO3 INT#
InOut 1) General purpose IO 3
8mA, SR 2) Microcontroller external interrupt 1
PD, SMT
34 GPIO4
InOut
General purpose IO 4
4mA, PD
35 GPIO6
InOut
General purpose IO 6
4mA, PD
36 SF_CS_
InOut
8mA, SR Serial Flash Chip Select
PU, SMT
37 SF_DO
InOut
8mA, SR Serial Flash Dout
PD, SMT
38 SF_DI
InOut
8mA, SR Serial Flash Din
PU, SMT
39 SF_CK
InOut
8mA, SR Serial Flash Clock
PD, SMT
40 UP1_6 SCL
InOut 1) Microcontroller port 1-6
8mA, SR 2) I2C clock pin
PU, SMT
41 UP1_7 SDA
InOut 1) Microcontroller port 1-7
4mA, SR 2) I2C data pin
PU, SMT
42 ICE
Input
Microcontroller ICE mode enable
PD, SMT
43
PRST#
Input
Power on reset input, active low
PU, SMT
44 IR
Input
IR control signal input
SMT
Dram Interface (37) (Sorted by position)
45 RD0
InOut
DRAM data 0
4mA
46 RD1
InOut
DRAM data 1
4mA
47 RD2
InOut
DRAM data 2
4mA
48 RD3
InOut
DRAM data 3
4mA
49 RD4
InOut
DRAM data 4
4mA
51 RD5
InOut
DRAM data 5
4mA
52 RD6
InOut
DRAM data 6
4mA
53 RD7
InOut
DRAM data 7
4mA
55 DQM0
InOut
Data mask 0
4mA, PD
56 RD15
InOut
DRAM data 15
4mA
57 RD14
InOut
DRAM data 14
4mA
58 RD13
InOut
DRAM data 13
4mA