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參數(shù)資料
| 型號： | UPD6462GS |
| 廠商： | NEC Corp. |
| 英文描述： | CMOS LSI CHIP FOR CAMCORDER ON-SCREEN CHARACTER DISPLAY 12 ROWS x 24 COLUMNS |
| 中文描述： | 大規(guī)模集成電路芯片的CMOS攝像機屏幕字符顯示12行x 24個欄目 |
| 文件頁數(shù)： | 6/60頁 |
| 文件大?。?/td> | 411K |
| 代理商： | UPD6462GS |
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6
μ
PD6461, 6462
PIN FUNCTIONS
Pin No.
Note 1
1
2
3 (4)
4 (5)
5 (6)
6 (7)
7 (8)
8 (9)
9 (10)
10 (11)
11 (14)
12 (15)
13 (16)
14 (17)
15 (18)
16 (19)
17 (20)
18 (21)
19 (23)
20 (24)
(3, 12, 13, 22)
Function
Note 2
Clock input
Chip select input
Serial data input
Power-on clear
Power supply
Clock output
LC oscillator input/
output
OSC
IN
: External clock
input
Test pin
Ground pin
Blanking signal output 1
Character signal output
1
Blanking signal output 2
(blanking R)
Character signal output
2
(blanking G)
Blanking signal output
(blanking B)
Character signal output
Vertical synchronizing
signal input
Horizontal synchroniz-
ing signal input
No connection
Description
Input pin for the data read clock. The data input to the DATA pin is read at
rising edges of the clock.
Serial transfer is accepted when this pin is low.
Input pin for control data. Data is read in synchronization with the clock input
to the CLK pin.
Pin used for the power-on clear function. After power-on, set this pin from low
to high to initialize the IC.
Power supply pin
N-ch open-drain output pin used to check the oscillation frequency
Input and output pins for the oscillator for generating a dot clock. Connect
the oscillation coil and capacitors to these pins.
(When an external clock input is selected by specifying a mask option, input
an external clock (synchronized with Hsync) to the OSC
IN
pin. Leave the
OSC
OUT
pin open.)
Pin used for testing the IC. Usually, connect this pin to ground. The IC cannot
enter test mode while this pin is connected to ground.
Connect this pin to the system ground.
Pin used to output the blanking signal for the video signal output from the V
C1
pin. The blanking signal is high active.
(When RGB compatible blanking has been selected by specifying a mask
option, this pin outputs the logical OR of R
BLK
, G
BLK
, and B
BLK
.)
Pin used to output a high-active character signal.
(When RGB compatible blanking has been selected by specifying a mask
option, this pin outputs the logical OR of V
R
, V
G
, and V
B
.)
Pin used to output the blanking signal for the video signal output from the V
C2
pin. The blanking signal is high active.
(This pin outputs the blanking signal for the video signal output from the V
R
pin. The blanking signal is high active.)
Pin used to output a high-active character signal.
(This pin outputs the blanking signal for the video signal output from the V
G
pin. The blanking signal is high active.)
Pin used to output the blanking signal for the video signals output from the
V
R
, V
G
, and V
B
pins. The blanking signal is high active.
(This pin outputs the blanking signal for the video signal output from the V
B
pin. The blanking signal is high active.)
Pins used to output high-active character signals.
Input a low-active vertical synchronizing signal to this pin.
Input a low-active horizontal synchronizing signal to this pin.
Vacant pin
Symbol
Note 2
CLK
CS
DATA
PCL
V
DD
CK
OUT
OSC
OUT
OSC
IN
TEST
GND
BLK1
V
C1
BLK2
(R
BLK
)
V
C2
(G
BLK
)
V
BLK
(B
BLK
)
V
R
V
G
V
B
Vsync
Hsync
N.C.
Notes 1.
Pin numbers indicated in ( ) are that of the
μ
PD6461GT-xxx.
2.
Signals in ( ) are set by a mask option (RGB + RGB compatible blanking).
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