(No.YA164)1-5
2.3 TECHNINAL INFORMATION
2.3.1 MAIN MI-COM (CPU) PIN FUNCTION
Pin
No.
Pin name
I/O
Function
Pin
No.
Pin name
I/O
Function
1 TCK
I Not used
65 D2
I/O Data bit for PP-RAM/SD-RAM
2 TMS
I Not used
66 D12
I/O Data bit for PP-RAM/SD-RAM
3 TDI
I Not used
67 D10
I/O Data bit for PP-RAM/SD-RAM
4 TDO
O Not used
68 VSS33
-- GND
5 P2.8
I Remote control
69 VDD33
i 3.3V
6 P2.9
I Key scan for front control CH+(On: L)
70 D4
I/O Data bit for PP-RAM/SD-RAM
7 P2.10
I Key scan for front control CH- (On: L)
71 D3
I/O Data bit for PP-RAM/SD-RAM
8 P2.11
I Key scan for front control MENU (On: L)
72 D11
I/O Data bit for PP-RAM/SD-RAM
9 P2.12
I Receive data for TV_LINK
73 RSTIN
I Reset for main CPU
10 P2.13
O Power on /off control (ON: L)
74 P3.0
I/O Data for inter IC control bus
11 P2.14
I X-ray HB LB EW correction Protection detection (Normal: H)
75 P3.1
I/O Data for inter IC control bus
12 P2.15
I Main power detection (Normal: H)
76 P3.2
I Remote control
13 VSS33
-- GND
77 P3.3
O Power indication control (On: L)
14 VDD33
i 3.3V
78 P3.4
O Audio muting (Muting: H)
15 P4.5/CS3
O Output data for TV_LINK
79 P3.5
O Audio muting (Muting: H)
16 P4.4/A20
O Address bit for PP-RAM/SD-RAM
80 P3.6
O Not used
17 P4.3/A19
O Address bit for PP-RAM/SD-RAM
81 P3.7
O Not used
18 P4.2/A18
O Address bit for PP-RAM/SD-RAM
82 P3.8
I/O Not used
19 P4.1/A17
O Address bit for PP-RAM/SD-RAM
83 P3.9
I/O Not used
20 VSS25
-- GND
84 VSS33
-- GND
21 VDD25
I 2.5V
85 VDD33
I 3.3V
22 P4.0/A16
O Address bit for PP-RAM/SD-RAM
86 VSS25
-- GND
23 A8
O Address bit for PP-RAM/SD-RAM
87 VDD25
I 2.5V
24 A7
O Address bit for PP-RAM/SD-RAM
88 TXD0
I/O Not used
25 A9
O Address bit for PP-RAM/SD-RAM
89 RXD0
I/O Not used
26 A6
O Address bit for PP-RAM/SD-RAM
90 P3.12
O Not used
27 A5
O Address bit for PP-RAM/SD-RAM
91 P3.13
O Not used
28 A10
O Address bit for PP-RAM/SD-RAM
92 P3.15
O Not used
29 A11
O Address bit for PP-RAM/SD-RAM
93 P5.14
I RGB input of EXT-2 active
30 A12
O Address bit for PP-RAM/SD-RAM
94 P5.15
I Headphone connection detection (Connect: H)
31 VSS33
-- GND
95 TRIG_IN
-- Not used
32 VDD33
i 3.3V
96 TRIG_OUT
-- Not used
33 A4
O Address bit for PP-RAM/SD-RAM
97 P6.2
O Notifies bus free state (Stop mode: H)
34 A3
O Address bit for PP-RAM/SD-RAM
98 P6.3
O Clock for inter IC control bus
35 A2
O Address bit for PP-RAM/SD-RAM
99 P6.4
I/O Data for inter IC control bus
36 A1
O Address bit for PP-RAM/SD-RAM
100 P6.5
O MSP reset (Reset: H)
37 A0
O Address bit for PP-RAM/SD-RAM
101 P6.6
-- Not used
38 A13
O Address bit for PP-RAM/SD-RAM
102 VSYNC
I Vertical sync
39 A14/RAS
O Row address strobe for SD-RAM access
103 HSYNC
I Horizontal sync
40 A15/CAS
O Column address strobe for SD-RAM access
104 COR/RSTOUT
O Output for contrast reduction
41 VSS33
-- GND
105 BLANK/CORBLA O Ys for OSD Teletext (blanking)
42 VDD33
I 3.3V
106 VDD33
I 3.3V
43 MEMCLK
O Clock for SD-RAM
107 VSS33
-- GND
44 CSSDRAM
O Chip select signal for SD-RAM device
108 XTAL1
I System clock (4MHz)
45 CLKEN
O Enable for memory clock
109 XTAL2
O System clock (4MHz)
46 CSROM
O Chip select signal for PP-ROM device
110 VSSA
-- GND
47 RD
O External memory read strobe for PP-ROM
111 VDDA
I 2.5V
48 UDQM
O Write disable for high byte
112 R
O Red for OSD / Teletext
49 LDQM
O Write disable for low byte
113 G
O Green for OSD / Teletext
50 WR
O Memory write strobe
114 B
O Blue for OSD / Teletext
51 D15
I/O Data bit for PP-RAM/SD-RAM
115 VSSA
-- GND
52 VSS33
-- GND
116 VDDA
-- 2.5V
53 VDD33
I 3.3V
117 CVBS2
I Composite video for WSS
54 D7
I/O Data bit for PP-RAM/SD-RAM
118 VSSA
-- GND
55 D0
I/O Data bit for PP-RAM/SD-RAM
119 VDDA
I 2.5V
56 D14
I/O Data bit for PP-RAM/SD-RAM
120 CVBS1B
I Ground for CVBS1A
57 D8
I/O Data bit for PP-RAM/SD-RAM
121 CVBS1A
I Composite video for Teletext decorder
58 D6
I/O Data bit for PP-RAM/SD-RAM
122 VSSA
-- GND
59 D1
I/O Data bit for PP-RAM/SD-RAM
123 VDDA
I 2.5V
60 VSS33
-- GND
124 P5.0
I AFT voltage for tuner
61 VDD33
I 3.3V
125 P5.1
-- Not used
62 D13
I/O Data bit for PP-RAM/SD-RAM
126 P5.2
I AGC voltage for tuner
63 D9
I/O Data bit for PP-RAM/SD-RAM
127 P5.3
-- Not used
64 D5
I/O Data bit for PP-RAM/SD-RAM
128 TMODE
I Test mode