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MN101C38CER (IC931) : Micro controller
1. Pin layout
51 ~ 75
50
~
26
25 ~ 1
2. Pin Function
Pin No.
Symbol
I/O
Function
1
O
LCD BIAS GROUND
COM3
2
O
LCD BIAS GROUND
COM2
3
O
COM1
LCD BIAS GROUND
4
COM0
O
LCD BIAS GROUND
5
-
LCD BIAS VOLTAGE
VLC3
6
-
VLC2
LCD BIAS VOLTAGE
7
-
VLC1
LCD BIAS VOLTAGE
8
-
5V
VDD
9
O
MAIN OSC
OSC2
10
I
OSC1
MAIN OSC
11
VSS
-
GROUND
12
I
Connect To Ground (Unused)
GND
13
O
No Connection (Unused)
NC
14
I
MMOD
GROUND
15
-
GROUND
VREF-
16
I
Irregular voltage detection 0
SAFETY0
17
I
SAFETY1
Irregular voltage detection 1
18
I
TAPE0
Tape Switch 0
19
I
Tape Switch 1
TAPE1
20
I
Unit Key input 0
KEY0
21
I
KEY1
Unit Key input 1
22
MODEL
I
Model L30/L40 Detect
23
I
No Connection (Unused)
NC
24
-
VREF+
5V
25
I/O
MCMD
UART Transmit
26
I/O
UART Receive
MSTAT
27
I/O
No Connection (Unused)
NC
28
I/O
SDATA
Serial Data (Tuner PLL / Tape IC)
29
NC
I/O
No Connection (Unused)
30
I/O
Serial Clock (Tuner PLL / Tape IC)
SCK
31
I/O
CD-Function
F_CD
32
I/O
RST
Main Micon Reset ('L'=RESET)
33
I/O
FM Stereo Detection ('L'=STEREO)
/MPX
34
I/O
Switched 5V controller ('H'=5V' off)
BCTL
35
I/O
VOLCE
Volumn Chip Enable
36
I/O
/ECHO
Trigger echo for mic
37
I/O
Mute the cd
CDMUTE
38
I
Remote control input
/REM
39
I
NC
No Connection (Unused)
40
NC
I
No Connection (Unused)
41
I
No Connection (Unused)
NC
42
I
NC
No Connection (Unused)
43
I/O
/SMUTE
System mute
44
I/O
Speaker mute
SPKMUTE
45
I/O
Active Hyper Bass On/Off ('L'=ON)
/AHB
46
I/O
DIMCTL
LCD DIM Control
47
LEDCTL
I/O
Power Standby LED control
48
I/O
SURROUND IC
SURR
49
I/O
No Connection (Unused)
NC
50
I/O
SEG12
SEGMENT OUTPUT
76
~
100
Pin No.
Symbol
I/O Function
/CDMRST
51
I/O
CD micon reset
/KARAOKE
52
Karaoke Function
I/O
NC
53
I/O
No Connection (Unused)
PRT
54
I/O
Protector
STTA
55
I/O
Tape IC Strobe
REEL/PHOTO
56
Tape End Detection
I/O
VOLP
57
I/O
Volumn Plus
VOLM
58
I/O
Volumn Minus
TUST/CE
59
Tuner PLL Strobe
I/O
F_TU
60
I/O
Tuner Function ('H'=TUNER)
NC
61
I/O
No Connection (Unused)
NC
62
I/O
No Connection (Unused)
POUT
63
Power On/Off ('H'=Power On)
I/O
BUP
64
I/O
Back up power detect ('H'=BACKUP)
NC
65
I/O
No Connection (Unused)
NC
66
I/O
No Connection (Unused)
SEG13
67
I/O
SEGMENT OUTPUT
SEG14
68
I/O
SEGMENT OUTPUT
SEG15
69
I/O
SEGMENT OUTPUT
SEG16
70
SEGMENT OUTPUT
I/O
SEG17
71
I/O
SEGMENT OUTPUT
SEG18
72
I/O
SEGMENT OUTPUT
SEG19
73
I/O
SEGMENT OUTPUT
SEG20
74
I/O
SEGMENT OUTPUT
SEG21
75
O
SEGMENT OUTPUT
SEG22
76
O
SEGMENT OUTPUT
SEG23
77
SEGMENT OUTPUT
O
SEG24
78
O
SEGMENT OUTPUT
SEG25
79
O
SEGMENT OUTPUT
SEG26
80
O
SEGMENT OUTPUT
SEG27
81
SEGMENT OUTPUT
O
SEG28
82
O
SEGMENT OUTPUT
SEG29
83
O
SEGMENT OUTPUT
SEG30
84
O
SEGMENT OUTPUT
SEG31
85
O
SEGMENT OUTPUT
SEG32
86
O
SEGMENT OUTPUT
SEG33
87
O
SEGMENT OUTPUT
SEG34
88
SEGMENT OUTPUT
O
SEG0
89
O
SEGMENT OUTPUT
SEG1
90
O
SEGMENT OUTPUT
SEG2
91
O
SEGMENT OUTPUT
SEG3
92
O
SEGMENT OUTPUT
SEG4
93
O
SEGMENT OUTPUT
SEG5
94
O
SEGMENT OUTPUT
SEG6
95
SEGMENT OUTPUT
O
SEG7
96
O
SEGMENT OUTPUT
SEG8
97
O
SEGMENT OUTPUT
SEG9
98
O
SEGMENT OUTPUT
SEG10
99
SEGMENT OUTPUT
O
SEG11
100
O
SEGMENT OUTPUT
UX-L46V/UX-L36V
1-37
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