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2.4
TECHNINAL INFORMATION
2.4.1 MAIN MI-COM (CPU) PIN FUNCTION
Pin
Pin name
I/O
No.
1
TCK
I
Not used
2
TMS
I
Not used
3
TDI
I
Not used
4
TDO
O
Not used
5
P2.8
I
Remote control
6
P2.9
I
Key scan for front control CH+(On: L)
7
P2.10
I
Key scan for front control CH- (On: L)
8
P2.11
I
Key scan for front control MENU (On: L)
9
P2.12
I
Receive data for TV_LINK
10 P2.13
O
Power on /off control (ON: L)
11 P2.14
I
X-ray HB LB EW correction Protection detection (Normal: H)
12 P2.15
I
Main power detection (Normal: H)
13 VSS33
--
GND
14 VDD33
i
3.3V
15 P4.5/CS3
O
Output data for TV_LINK
16 P4.4/A20
O
Address bit for PP-RAM/SD-RAM
17 P4.3/A19
O
Address bit for PP-RAM/SD-RAM
18 P4.2/A18
O
Address bit for PP-RAM/SD-RAM
19 P4.1/A17
O
Address bit for PP-RAM/SD-RAM
20 VSS25
--
GND
21 VDD25
I
2.5V
22 P4.0/A16
O
Address bit for PP-RAM/SD-RAM
23 A8
O
Address bit for PP-RAM/SD-RAM
24 A7
O
Address bit for PP-RAM/SD-RAM
25 A9
O
Address bit for PP-RAM/SD-RAM
26 A6
O
Address bit for PP-RAM/SD-RAM
27 A5
O
Address bit for PP-RAM/SD-RAM
28 A10
O
Address bit for PP-RAM/SD-RAM
29 A11
O
Address bit for PP-RAM/SD-RAM
30 A12
O
Address bit for PP-RAM/SD-RAM
31 VSS33
--
GND
32 VDD33
i
3.3V
33 A4
O
Address bit for PP-RAM/SD-RAM
34 A3
O
Address bit for PP-RAM/SD-RAM
35 A2
O
Address bit for PP-RAM/SD-RAM
36 A1
O
Address bit for PP-RAM/SD-RAM
37 A0
O
Address bit for PP-RAM/SD-RAM
38 A13
O
Address bit for PP-RAM/SD-RAM
39 A14/RAS
O
Row address strobe for SD-RAM access
40 A15/CAS
O
Column address strobe for SD-RAM access
41 VSS33
--
GND
42 VDD33
I
3.3V
43 MEMCLK
O
Clock for SD-RAM
44 CSSDRAM
O
Chip select signal for SD-RAM device
45 CLKEN
O
Enable for memory clock
46 CSROM
O
Chip select signal for PP-ROM device
47 RD
O
External memory read strobe for PP-ROM
48 UDQM
O
Write disable for high byte
49 LDQM
O
Write disable for low byte
50 WR
O
Memory write strobe
51 D15
I/O Data bit for PP-RAM/SD-RAM
52 VSS33
--
GND
53 VDD33
I
3.3V
54 D7
I/O Data bit for PP-RAM/SD-RAM
55 D0
I/O Data bit for PP-RAM/SD-RAM
56 D14
I/O Data bit for PP-RAM/SD-RAM
57 D8
I/O Data bit for PP-RAM/SD-RAM
58 D6
I/O Data bit for PP-RAM/SD-RAM
59 D1
I/O Data bit for PP-RAM/SD-RAM
60 VSS33
--
GND
61 VDD33
I
3.3V
62 D13
I/O Data bit for PP-RAM/SD-RAM
63 D9
I/O Data bit for PP-RAM/SD-RAM
64 D5
I/O Data bit for PP-RAM/SD-RAM
Pin
Function
No.
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100 P6.5
101 P6.6
102 VSYNC
103 HSYNC
104 COR/RSTOUT
105 BLANK/CORBLA
106 VDD33
107 VSS33
108 XTAL1
109 XTAL2
110 VSSA
111 VDDA
112 R
113 G
114 B
115 VSSA
116 VDDA
117 CVBS2
118 VSSA
119 VDDA
120 CVBS1B
121 CVBS1A
122 VSSA
123 VDDA
124 P5.0
125 P5.1
126 P5.2
127 P5.3
128 TMODE
Pin name
I/O
D2
I/O Data bit for PP-RAM/SD-RAM
D12
I/O Data bit for PP-RAM/SD-RAM
D10
I/O Data bit for PP-RAM/SD-RAM
VSS33
--
GND
VDD33
i
3.3V
D4
I/O Data bit for PP-RAM/SD-RAM
D3
I/O Data bit for PP-RAM/SD-RAM
D11
I/O Data bit for PP-RAM/SD-RAM
RSTIN
I
Reset for main CPU
P3.0
I/O Data for inter IC control bus
P3.1
I/O Data for inter IC control bus
P3.2
I
Remote control
P3.3
O
Power indication control (On: L)
P3.4
O
Audio muting (Muting: H)
P3.5
O
Audio muting (Muting: H)
P3.6
O
Not used
P3.7
O
Not used
P3.8
I/O Not used
P3.9
I/O Not used
VSS33
--
GND
VDD33
I
3.3V
VSS25
--
GND
VDD25
I
2.5V
TXD0
I/O Not used
RXD0
I/O Not used
P3.12
O
Not used
P3.13
O
Not used
P3.15
O
Not used
P5.14
I
RGB input of EXT-2 active
P5.15
I
Headphone connection detection (Connect: H)
TRIG_IN
--
Not used
TRIG_OUT
--
Not used
P6.2
O
Notifies bus free state (Stop mode: H)
P6.3
O
Clock for inter IC control bus
P6.4
I/O Data for inter IC control bus
O
MSP reset (Reset: H)
--
Not used
I
Vertical sync
I
Horizontal sync
O
Output for contrast reduction
O
Ys for OSD Teletext (blanking)
I
3.3V
--
GND
I
System clock (4MHz)
O
System clock (4MHz)
--
GND
I
2.5V
O
Red for OSD / Teletext
O
Green for OSD / Teletext
O
Blue for OSD / Teletext
--
GND
--
2.5V
I
Composite video for WSS
--
GND
I
2.5V
I
Ground for CVBS1A
I
Composite video for Teletext decorder
--
GND
I
2.5V
I
AFT voltage for tuner
--
Not used
I
AGC voltage for tuner
--
Not used
I
Test mode
Function
(No.YA063)1-7
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