
No. 5521-11/22
LC7874E
Continued from preceding page.
Pin
Pin Symbol
Pin Name
I/O
Polarity
Function
35
HSYNC
Horizontal synchronization output pin
3ST
Negative Horizontal sync signal output
36
ROUT3
R data output pin
I/O
Positive
Video signal R3 data output
37
ROUT2
R data output pin
I/O
Positive
Video signal R2 data output
38
ROUT1
R data output pin
I/O
Positive
Video signal R1 data output
39
ROUT0
R data output pin
I/O
Positive
Video signal R0 data output
4
×
FSC clock output
40
4FSC
0
Clock output pin
3ST
Positive
NTSC: 14.31818 MHz
PAL: 17.734476 MHz
41
FSC
0
Clock output pin
3ST
Positive
Subcarrier clock output
NTSC: 3.579545 MHz
PAL: 4.433619 MHz
42
GOUT3
G data output pin
I/O
Positive
Video signal G3 data output
43
GOUT2
G data output pin
I/O
Positive
Video signal G2 data output
44
GOUT1
G data output pin
I/O
Positive
Video signal G1 data output
45
GOUT0
G data output pin
I/O
Positive
Video signal G0 data output
46
BOUT3
B data output pin
I/O
Positive
Video signal B3 data output
47
BOUT2
B data output pin
I/O
Positive
Video signal B2 data output
48
BOUT1
B data output pin
I/O
Positive
Video signal B1 data output
49
BOUT0
B data output pin
I/O
Positive
Video signal B0 data output
50
CE2
Video output control input pin
In
Positive
Signal input setting video output pin to high impedance
(MORE+ input)
51
CE3
Sync signal control input pin
In
Positive
Signal input setting sync signal output pin to high impedance
(MORE+ input)
52
YS
Superimposition output pin
Out
Positive
Superimposition control output
53
EFLG
Error status monitor output pin
Out
Positive
Error status monitor signal output
54
HRESET
External horizontal synchronization input pin
In
Negative External horizontal synchronization timing control pin
Line number selection input
NTSC : L = 263H, H = 262H
PAL : H = 312H, L = 314H
55
LINE
Line number selection pin
In
—
56
VRESET
External vertical synchronization input pin
In
Negative External vertical synchronization timing control pin
57
INIT
Initial input pin
In
Negative System initial signal input
58
RESET
Reset input pin
In
Negative System reset signal input
59
N/P
NTSC/PAL selection input pin
In
Positive
NTSC/PAL selection input
L: NTSC, H: PAL
60
SON
Superimposition control pin
In
Positive
Superimposition ON/OFF control input
H: Superimposition ON
61
XIN2
Crystal oscillator connection pins
In
—
PAL crystal oscillator connection pin (4Fsc = 17.734476 MHz)
62
XOUT2
Out
—
63
XIN1
Crystal oscillator connection pins
In
—
NTSC crystal oscillator connection pin (4Fsc = 14.31818 MHz)
64
XOUT1
Out
—