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MC14497 bảng dữ liệu(PDF) 1 Page - Motorola, Inc

tên linh kiện MC14497
Giải thích chi tiết về linh kiện  PCM REMOTE CONTROL TRANSMITTER
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nhà sản xuất  MOTOROLA [Motorola, Inc]
Trang chủ  http://www.freescale.com
Logo MOTOROLA - Motorola, Inc

MC14497 bảng dữ liệu(HTML) 1 Page - Motorola, Inc

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MC14497
MOTOROLA
1
PCM Remote Control
Transmitter
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 µA 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
E1
2
E2
1
E3
16
E4
15
E5
14
E6
10
E7
11
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
MOTOROLA
SEMICONDUCTOR TECHNICAL DATA
MC14497
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
© Motorola, Inc. 1995
SAME AS IN DL136/D R3


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