LG TCH-M550 Service Manual page 24

Pin No. Symbol
60 LOOUTR
61 LOVDD1
62 N.C.
63 TMON1
64 N.C.
65 N.C.
66 TMON2
67 DVDD3
68 DVSS2
69 *EXT0
70 *EXT1
71 *EXT2
72 MCLK
73 MDATA
74 MLD
75 *STAT
76 *BLKCK
77 *SMCK
78 *PMCK
79 *TX
80 *FLAG
81 NRST
82 NTEST
83 DVSS3
84 X1
85 X2
86 IOVDD2
87 DVDD2
88 D2
89 D1
90 D0
91 D3
92 D4
93 D5
94 D6
95 D7
96 D15
97 D14
98 DRVDD2
99 D13
100 D12
I/O Function
O R-ch audio output for line-out output
I Power supply for line-out output
- -
O Test monitor output 1
- -
- -
O Test monitor output 2
I Power supply 3 for digital circuits
I Ground 2 for digital circuits
I/O Expansion I/O port 0
I/O Expansion I/O port 1
I/O Expansion I/O port 2
I Microcontroller command clock signal input
I Microcontroller command data signal input
I Microcontroller command load signal input
O Status signal output
O Subcode block clock signal output
O 4.2336-/8.4672-MHz clock signal output
O 88.2-kHz clock signal output
O Digital audio interface signal output
O Flag signal output
I LSI reset signal input
I Test mode setting input
I Ground 3 for digital circuits
I Crystal oscillator circuit input
O Crystal oscillator circuit output
I Power supply 2 for digital I/O
I Power supply 2 for internal digital circuits
I/O DRAM data signal I/O 2
I/O DRAM data signal I/O 1
I/O DRAM data signal I/O 0
I/O DRAM data signal I/O 3
I/O DRAM data signal I/O 4
I/O DRAM data signal I/O 5
I/O DRAM data signal I/O 6
I/O DRAM data signal I/O 7
I/O DRAM data signal I/O 15
I/O DRAM data signal I/O 14
I Power supply 2 for DRAM interface I/O
I/O DRAM data signal I/O 13
I/O DRAM data signal I/O 12
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