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參數(shù)資料
| 型號： | MC14497P |
| 廠商： | MOTOROLA INC |
| 元件分類： | 搖控器 |
| 英文描述： | Digital Signal Processor,Military Known Good Die 0-XCEPT -55 to 125 |
| 中文描述： | INFRARED, TRANSMITTER IC, PDIP18 |
| 封裝： | PLASTIC, DIP-18 |
| 文件頁數(shù)： | 1/8頁 |
| 文件大?。?/td> | 166K |
| 代理商： | MC14497P |
MC14497
MOTOROLA
1
The MC14497 is a PCM remote control transmitter realized in CMOS
technology. Using a dual–single (FSK/AM) frequency bi–phase modulation, the
transmitter is designed to work with the MC3373 receiver. Information on the
MC3373 can be found in the Motorola
Linear
and
Interface Integrated Circuits
book (DL128/D).
There is not a decoder device which is compatible with the MC14497.
Typically, the decoding resides in MCU software.
Both FSK/AM Modulation Selectable
62 Channels (Up to 62 Keys)
Reference Oscillator Controlled by Inexpensive Ceramic Resonator:
Maximum Frequency = 500 kHz
Very Low Duty Cycle
Very Low Standby Current: 50
μ
A Maximum
Infrared Transmission
Selectable Start–Bit Polarity (AM Only)
Shifted Key Mode Available
Wide Operating Voltage Range: 4 to 10 V
See Application Notes AN1016 and AN1203
BLOCK DIAGRAM
17
2
1
16
15
14
10
11
E1
E2
E3
E4
E5
E6
E7
E8
ENCODER
7–BIT
SR
SEQUENCE
CONTROL
3–BIT
LATCH
OUTPUT
CONTROL
DIVIDER
÷
10/12
MUX
SCANNER
DIVIDER
÷
32
DIVIDER
÷
16
OSC
STANDBY
7
6
5
4
FK3
E9
3
FK1
A4
A3
A2
A1
9
VDD
18
8
IN
OUT
12
13
500 kHz CERAMIC
RESONATOR
KEYBOARD
Order this document
by MC14497/D
SEMICONDUCTOR TECHNICAL DATA
P SUFFIX
PLASTIC DIP
CASE 707
ORDERING INFORMATION
MC14497P
Plastic DIP
PIN ASSIGNMENT
A3
E9
E2
E3
VSS
SIGNAL OUT
A1
A2
A4
E5
E4
E1
VDD
E7
E8
OSCin
OSCout
E6
14
15
16
17
18
10
11
12
13
5
4
3
2
1
9
8
7
6
18
1
SAME AS IN DL136/D R3
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