LC7458B-04 查看數據表（PDF） - SANYO -> Panasonic
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LC7458B-04 Datasheet PDF : 11 Pages
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Pin Assignment
LC7458B-04
Pin Functions
Number
Name
1
LED OUT1
2
LED OUT2
3
LED OUT3
4
LED OUT4
5
LED OUT5
6
ALARM OUT
7
–
8
PWM-IN
9
TEST
10
VSS
11
CF1
12
CF2
13
VDD1
14
LC1
15
LC2
16
RES
17
BL-IN
18
B-IN
19
G-IN
20
R-IN
21
R-OUT
22
G-OUT
23
B-OUT
24
BL-OUT
25
HS
26
VS
27
O/E
28
CPCK
29
CPDI
30
–
I/O
After reset1
Built-in
resistance
Function description
Connection
when not in use
O
Hi-Z
Nch-OD Caption ON output (active low)
GND
O
Hi-Z
Nch-OD Text ON output (active low)
GND
O
Hi-Z
Nch-OD Channel 1 ON output (active low)
GND
O
Hi-Z
Nch-OD Channel 2 ON output (active low)
GND
O
Hi-Z
Nch-OD Field 2 mode output (active low)
GND
O
Hi-Z
Nch-OD Alarm signal output (active high)
GND
–
–
–
Not used (tied to GND)
GND
I
Hi-Z
Nch-OD PWM control signal input
GND
O
–
Pull-up Test pin (normally open)
Open
–
–
–
Supply negetive pin
I
–
–
12MHz ceramic filter oscillator element, system clock connection
O
–
–
12MHz ceramic filter oscillator element, system clock connection
–
–
–
Supply positive pin
I
–
–
LC oscillator circuit input pin
O
–
–
LC oscillator circuit output pin
I
–
–
System reset input pin
I
Hi-Z
–
Blanking signal input pin (active high)
GND
I
Hi-Z
–
RGB signal input pin (active high)
GND
I
Hi-Z
–
RGB signal input pin (active high)
GND
I
Hi-Z
–
RGB signal input pin (active high)
GND
O
Low
–
RGB signal output pin (active high)
Open
O
Low
–
RGB signal output pin (active high)
Open
O
Low
–
RGB signal output pin (active high)
Open
O
Low
–
Blanking signal output pin (active high)
Open
I
Hi-Z
–
Horizontal sync signal input pin (active low)
I
Hi-Z
–
Vertical sync signal input pin (active low)
I
Hi-Z
–
Field control pin (connects to LA7945)
I
Hi-Z
–
Caption clock input pin (connects to LA7945)
I
Hi-Z
–
Caption data input pin (connects to LA7945)
–
–
–
Not used (tied to GND)
GND
Continued on next page.
No.4978–2/11
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