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參數(shù)資料
| 型號： | PT8A971AP |
| 廠商： | Electronic Theatre Controls, Inc. |
| 英文描述： | 5-Function Remote Controller |
| 中文描述： | 5功能遙控器 |
| 文件頁數(shù)： | 1/10頁 |
| 文件大?。?/td> | 77K |
| 代理商： | PT8A971AP |
Data Sheet
PT8A971AP/972AP
5-Function Remote Controller
PT0066(28/08/01)
Ver:0
1
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Features
The PT8A971AP works as the encoder and the
PT8A972AP works as the decoder
Five pins for five control functions
Operating power supply voltage: 2.5 to 5.0V
Auto-power-off if no press on any button in 8s or
continuously press on any button over 4 minutes
(971AP)
Press on any button to wake up
Manual-power-off with OFF button (971AP)
One output pin used for external power control
On-chip oscillator with an external resistor
Low operating current
Few external components needed
Package: 14-pin DIP (971AP) and 16-pin DIP
(972AP)
General Description
The PT8A971AP and PT8A972AP is a pair of CMOS
Block Diagram
Block Diagram of PT8A971AP
LSIs designed to provide a complete control functions
to remote-controlled toy. The PT8A971AP has five
input pins corresponding with the five function
buttons - forward, backward, right, left and turbo. The
encoding circuit in the PT8A971AP sends digital
codes to the two output pins SO and SC. The digital
codes correspond to the definite function buttons and
their combinations. The SO and SC outputs are used
in wireless and infrared applications respectively.
There is an internal oscillator in the PT8A971AP and
PT8A972AP respectively. The oscillator frequency
can be adjusted by the external resistor. The relative
error between the frequencies of the two on-chip
oscillators in the PT8A971AP and PT8A972AP must
be less than ±25%.
The auto-power-off function is achieved by internal
counters. Pressing OFF button can also shut down
the power supply. Press on any function button will
wake up the chip promptly.
OFF
OSCI
OSCO
Right
Left
Turbo
Forward
Backward
Oscillator
Input
Circuit
Timing
Generator
Encoding
Circuit
4 Minutes
Counter
Output
Circuit
PC
SO
SC
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相關代理商/技術參數(shù) |
參數(shù)描述 |
|---|---|
| PT8A972 | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:5-Function Remote Controller? |
| PT8A972A | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:5-Function Remote Controller? |
| PT8A972AP | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:5-Function Remote Controller |
| PT8A973 | 制造商:PERICOM 制造商全稱:Pericom Semiconductor Corporation 功能描述:7-Function Remote Controller |
| PT8A9731 | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:Duty Cycle Output Remote Controller? |
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