
LC74736PT
No.A0569-6/106
Continued from preceding page.
Pin No.
Symbol
Type
Functional description
37
BD3
Bout output: bit 3
38
BD2
Bout output: bit 2
39
BD1
Bout output: bit 1
40
BD0
Bout output: bit 0
Bout output
This is a 4-bit digital output with values from 0000 to 1111.
41
BLK
Blanking signal output
This signal indicates the OSD display period.
42
HFTOT
Halftone control signal output
OSD halftone period control signal
Synthesized in the next stage IC.
43
VSS1
Ground
Connect a ground to this pin. (Digital system ground)
44
Rout
Rout output: analog
D/A converter (4 bits) output. Connect a resistor Ro to this pin.
45
Gout
Gout output: analog
D/A converter (4 bits) output. Connect a resistor Ro to this pin.
46
Bout
Bout output: analog
D/A converter (4 bits) output. Connect a resistor Ro to this pin.
47
RREF
Reference resistor connection
Connect a reference register to this pin.
48
VDD2
Power supply (+3.3V)
D/A converter power supply: +3.3V
49
CCOMP
Phase correction capacitor connection
Capacitor connection: 1.5
F
50
VSS2
Ground
Connect a ground to this pin. (D/A converter ground)
51
D15
Data input 15
ROM data input 15. MORE+ [MSB]
52
D14
Data input 14
ROM data input 14. MORE+
53
D13
Data input 13
ROM data input 13. MORE+
54
D12
Data input 12
ROM data input 12. MORE+
55
D11
Data input 11
ROM data input 11. MORE+ [MSB]
56
D10
Data input 10
ROM data input 10. MORE+
57
D9
Data input 9
ROM data input 9. MORE+
58
D8
Data input 8
ROM data input 8. MORE+
59
VSS1
Ground
Connect a ground to this pin. (Digital system ground)
60
VDD1
Power supply (+3.3V)
Digital system power supply: +3.3V
61
D7
Data input 7
ROM data input 7. MORE+
62
D6
Data input 6
ROM data input 6. MORE+
63
D5
Data input 5
ROM data input 5. MORE+
64
D4
Data input 4
ROM data input 4. MORE+
65
D3
Data input 3
ROM data input 3. MORE+
66
D2
Data input 2
ROM data input 2. MORE+
67
D1
Data input 1
ROM data input 1. MORE+
68
D0
Data input 0
ROM data input 0. MORE+ [LSB][LSB]
69
VSS1
Ground
Connect a ground to this pin. (Digital system ground)
70
VDD1
Power supply (+3.3V)
Power supply: (+3.3V: Digital system)
71
VSS3
Ground
Connect a ground to this pin. (External ROM output system ground)
72
VDD3
Power supply (+3.3 or +5.5V)
Power supply (External ROM output system power supply)
73
OE
Output enable
ROM output enable output. This is an active low output.
74
CE
Chip enable
ROM chip enable output. This is an active low output.
75
A19
Address output 19
ROM address output 19
76
A18
Address output 18
ROM address output 18
77
A17
Address output 17
ROM address output 17
78
A16
Address output 16
ROM address output 16
79
VSS3
Ground
Connect a ground to this pin. (External ROM output system ground)
80
VDD3
Power supply (+3.3 or +5.5V)
Power supply (External ROM output system power supply)
81
A15
Address output 15
ROM address output 15
82
A14
Address output 14
ROM address output 14
83
A13
Address output 13
ROM address output 13
84
A12
Address output 12
ROM address output 12
85
A11
Address output 11
ROM address output 11
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