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參數(shù)資料
| 型號(hào)： | UPD17071 |
| 廠商： | NEC Corp. |
| 英文描述： | 4-BIT SINGLE-CHIP MICROCONTROLLER WITH PLL FREQUENCY SYNTHESIZER CONTROLLER FOR PORTABLE FM/AM RADIO AND TV |
| 中文描述： | 4位單片機(jī)與鎖相環(huán)頻率合成器控制器的便攜式調(diào)頻/調(diào)幅廣播電視 |
| 文件頁(yè)數(shù)： | 12/48頁(yè) |
| 文件大?。?/td> | 296K |
| 代理商： | UPD17071 |
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μ
PD17071GB-012
12
Pin No.
Symbol
Pin Name
Description
I/O Form
26
REG1
Power supply pin
This pin is a voltage regulator pin for oscillation circuit.
Connect this pin to GND via a 0.1-
μ
F capacitor.
—
27
28
29
30
REG
LCD
0
CAP
LCD
0
CAP
LCD
1
REG
LCD
1
LCD driving
power supply
pins
REG
LCD
1 and REG
LCD
0
These pins supply the LCD driving voltage.
CAP
LCD
1 and CAP
LCD
0
Connect a capacitor for a doubler circuit across these pins to create
an LCD driving voltage.
Connect the capacitor as shown below to create the doubler circuit.
—
Caution The value of the LCD drive voltage changes if the values
of C1, C2, and C3 are changed because of the configuration
of the doubler circuit.
31
|
34
COM0
|
COM3
LCD common
signal output
These pins output common signals to an LCD panel.
They output 60 dots on the LCD panel by creating a matrix with
LCD0 through LCD14 pins (pins 35 through 49).
CMOS
push-pull
output
35
|
49
LCD0
|
LCD14
LCD segment
signal output
These pins outputs segment signals to an LCD panel.
They display 60 dots on the LCD panel by creating a matrix with
COM0 through COM3 pins (pins 31 through 34).
CMOS
push-pull
output
50
CE
Chip enable
This input pins selects radio operation as follows:
High level
Turns ON the radio.
Low level
Turns OFF the radio.
Note, however, that a high or low level of less than 200
μ
s is not
accepted.
Input
51
NC
No connection
No connection. Externally pull down this pin.
—
0.1 F
REG1
C1 = C2 = 0.1 F
C3 = 0.01 F
REG
LCD
1
CAP
LCD
1
CAP
LCD
0
REG
LCD
0
C1
C3
C2
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| UPD17071GB-012 | 4-BIT SINGLE-CHIP MICROCONTROLLER WITH PLL FREQUENCY SYNTHESIZER CONTROLLER FOR PORTABLE FM/AM RADIO AND TV |
| UPD17071GB-012-1A7 | 4-BIT SINGLE-CHIP MICROCONTROLLER WITH PLL FREQUENCY SYNTHESIZER CONTROLLER FOR PORTABLE FM/AM RADIO AND TV |
| UPD17134ACT-xxx | 4-BIT SINGLE-CHIP MICROCONTROLLER FOR SMALL GENERAL-PURPOSE INFRARED REMOTE CONTROL TRANSMITTER |
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| UPD17071GB-012 | 制造商:NEC 制造商全稱:NEC 功能描述:4-BIT SINGLE-CHIP MICROCONTROLLER WITH PLL FREQUENCY SYNTHESIZER CONTROLLER FOR PORTABLE FM/AM RADIO AND TV |
| UPD17071GB-012-1A7 | 制造商:NEC 制造商全稱:NEC 功能描述:4-BIT SINGLE-CHIP MICROCONTROLLER WITH PLL FREQUENCY SYNTHESIZER CONTROLLER FOR PORTABLE FM/AM RADIO AND TV |
| UPD17072 | 制造商:NEC 制造商全稱:NEC 功能描述:4-BIT SINGLE-CHIP MICROCONTROLLER WITH HARDWARE FOR DIGITAL TUNING SYSTEM |
| UPD17072GB | 制造商:NEC 制造商全稱:NEC 功能描述:4-BIT SINGLE-CHIP MICROCONTROLLER WITH HARDWARE FOR DIGITAL TUNING SYSTEM |
| UPD17072GB-XXX-1A7 | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:4-Bit Microcontroller |
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