lc7874e Sanyo Semiconductor Corporation, lc7874e Datasheet - Page 11

• Manufacturer Part Number: lc7874e
• Description: Cd Graphics Decorder
• Manufacturer: Sanyo Semiconductor Corporation

Continued from preceding page.
Pin
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
Pin Symbol
HRESET
VRESET
HSYNC
ROUT3
ROUT2
ROUT1
ROUT0
GOUT3
GOUT2
GOUT1
GOUT0
BOUT3
BOUT2
BOUT1
BOUT0
RESET
XOUT2
XOUT1
4FSC
FSC
EFLG
LINE
SON
XIN2
XIN1
CE2
CE3
INIT
N/P
YS
0
0
Horizontal synchronization output pin
R data output pin
R data output pin
R data output pin
R data output pin
Clock output pin
Clock output pin
G data output pin
G data output pin
G data output pin
G data output pin
B data output pin
B data output pin
B data output pin
B data output pin
Video output control input pin
Sync signal control input pin
Superimposition output pin
Error status monitor output pin
External horizontal synchronization input pin
Line number selection pin
External vertical synchronization input pin
Initial input pin
Reset input pin
NTSC/PAL selection input pin
Superimposition control pin
Crystal oscillator connection pins
Crystal oscillator connection pins
Pin Name
3ST
3ST
3ST
Out
Out
Out
Out
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
In
In
In
In
In
In
In
In
In
In
In
LC7874E
Negative Horizontal sync signal output
Negative External horizontal synchronization timing control pin
Negative External vertical synchronization timing control pin
Negative System initial signal input
Negative System reset signal input
Positive
Positive
Positive
Positive
Positive
Positive
Positive
Positive
Positive
Positive
Positive
Positive
Positive
Positive
Positive
Positive
Positive
Positive
Positive
Positive
Polarity
—
—
—
—
—
Video signal R3 data output
Video signal R2 data output
Video signal R1 data output
Video signal R0 data output
4
Subcarrier clock output
Video signal G3 data output
Video signal G2 data output
Video signal G1 data output
Video signal G0 data output
Video signal B3 data output
Video signal B2 data output
Video signal B1 data output
Video signal B0 data output
Signal input setting video output pin to high impedance
(MORE+ input)
Signal input setting sync signal output pin to high impedance
(MORE+ input)
Superimposition control output
Error status monitor signal output
Line number selection input
NTSC : L = 263H, H = 262H
PAL : H = 312H, L = 314H
NTSC/PAL selection input
L: NTSC, H: PAL
Superimposition ON/OFF control input
H: Superimposition ON
PAL crystal oscillator connection pin (4Fsc = 17.734476 MHz)
NTSC crystal oscillator connection pin (4Fsc = 14.31818 MHz)
FSC clock output
Function
NTSC: 14.31818 MHz
PAL: 17.734476 MHz
NTSC: 3.579545 MHz
PAL: 4.433619 MHz
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