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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(jī)屏幕字符顯示12行x 24個(gè)欄目 |
| 文件頁數(shù)： | 54/60頁 |
| 文件大小： | 411K |
| 代理商： | UPD6462GS |
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54
μ
PD6461, 6462
7. APPLICATION CIRCUIT EXAMPLE
CLK
CS
DATA
PCL
V
DD
CK
OUT
OSC
OUT
OSC
IN
TEST
GND
Hsync
Vsync
V
B
V
G
V
R
V
BLK
V
C2
BLK2
V
C1
BLK1
Note 4
(B
BLK
)
Note 4
(G
BLK
)
Note 4
(R
BLK
)
PD6461GS/GT, PD6462GS
μ
20 (24)
19 (23)
18 (21)
17 (20)
16 (19)
15 (18)
14 (17)
13 (16)
12 (15)
11 (14)
Output
Inputs a negative Hsync,
Vsync signal
1 (1)
2 (2)
3 (4)
4 (5)
5 (6)
6 (7)
7
(8)
Note 3
8(9)
Note 3
9(10)
10(11)
Connected to microcontroller
V
DD
10 F
100 k
10 F
Note 1
0.01 F
+
+
Note 2
33 F
5 to 30 pF
30 pF
LC module
pin No. 1
LC module
pin No. 3
Notes 1.
CR constant must be satisfied with Power-ON Clear Specification (refer to
6. ELECTRICAL
CHARACTERISTICS
).
This circuit can reduce the number of external components and facilitates the adjustment of oscillation
frequency, using LC module (part number: Q285NCIS-11181, manufactured by Toko, Inc.)
Connect these pins as follows when inputting external clock:
OSC
IN
pin: external clock input, OSC
OUT
pin: open
Signals in ( ) are set by a mask option (RGB + RGB compatible blanking).
2.
3.
4.
Remarks 1.
The number in the parentheses indicates the pin number of the
μ
PD6461GT-xxx.
2.
With the
μ
PD6461GT-xxx, influence by noise via lead frame can be surpressed by connecting the
N.C. pins (3, 12, 13, 22) to GND.
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| UPD6464A | 制造商:NEC 制造商全稱:NEC 功能描述:ON-SCREEN CHARACTER DISPLAY CMOS LSI FOR 12-LINE, 24-COLUMN DECK-TYPE VCR |
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