MC14497P Motorola, MC14497P Datasheet

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MC14497P

Manufacturer Part Number
MC14497P
Description
PCM remote control transmitter
Manufacturer
Motorola
Datasheet

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MOTOROLA
SEMICONDUCTOR TECHNICAL DATA
PCM Remote Control
Transmitter
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).
Typically, the decoding resides in MCU software.
SAME AS IN DL136/D R3
MOTOROLA
A4 A3 A2 A1
FK3
The MC14497 is a PCM remote control transmitter realized in CMOS
There is not a decoder device which is compatible with the MC14497.
KEYBOARD
Motorola, Inc. 1995
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 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
E1
E2
E3
E4
E5
E6
E7
E8
FK1
E9
17
2
1
16
15
14
10
11
3
7
6
5
4
ENCODER
LATCH
3–BIT
BLOCK DIAGRAM
SCANNER
7–BIT
SR
9
STANDBY
SEQUENCE
CONTROL
DIVIDER
32
CONTROL
OUTPUT
12
IN
DIVIDER
DIVIDER
OSC
10/12
16
OUT
13
18
500 kHz CERAMIC
V DD
RESONATOR
SIGNAL OUT
1
MUX
ORDERING INFORMATION
MC14497P
18
MC14497
V SS
E3
E2
E9
A4
A3
A2
A1
PIN ASSIGNMENT
8
1
2
3
4
5
6
7
8
9
Order this document
Plastic DIP
PLASTIC DIP
18
17
16
15
14
13
12
11
10
CASE 707
P SUFFIX
by MC14497/D
V DD
E1
E4
E5
E6
OSC out
OSC in
E8
E7
MC14497
1

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MC14497P Summary of contents

Page 1

... SAME AS IN DL136/D R3 MOTOROLA Motorola, Inc. 1995 18 OUTPUT CONTROL 7–BIT SR SEQUENCE DIVIDER CONTROL 10/12 STANDBY DIVIDER DIVIDER 32 16 OSC IN OUT Order this document by MC14497/D MC14497 P SUFFIX PLASTIC DIP CASE 707 1 ORDERING INFORMATION MC14497P Plastic DIP PIN ASSIGNMENT OSC out OSC in SIGNAL OUT ...

Page 2

... For proper operation it is recommended that V in and V out be constrained to the range out ) Min Max Unit — 4.0 10 — — – 900 — 4 120 — – 30 — 4 245 — – 300 — 4 245 — — – 15 — 4 — – — — 1 — 4 — 1.0 MOTOROLA ...

Page 3

... By interconnecting only certain address inputs it is possible MOTOROLA to make an intermediate keyboard with between 32 and 64 keys. The other two switches in the Block Diagram (FK1 and FK2) change the modulation mode. Closing FK1 changes the modulation from FSK to AM and the start– ...

Page 4

... KEY WORD DEBOUNCE 20 ms Figure 4. Transmitted Waveforms and Timing (Not Drawn to Scale) MC14497 4 NOTE: Maximum key contact resistance = ONE WORD E1a E2 2 E2a E3 1 E3a E4 16 E4a E5 15 E5a E6 14 E6a E7 10 E7a E8 11 E8a FK2 FK1 Figure 3. 64–Key Keyboard MOTOROLA ...

Page 5

... C1 and C2 are sized per the ceramic resonator supplier’s recommendation. Ceramic Resonator Suppliers: 1. Morgan Matrox, Inc., Bedford, OH, 216/232–8600 2. Radio Materials Co., Attica, IN, 317/762–2491 Motorola cannot recommend one supplier over another and in no way suggests that this is a complete listing of ceramic resonator suppliers. MOTOROLA Figure 5. Scanner Output Timing Diagram ...

Page 6

... Code Word Keyboard Out E8a E1a E2a E3a E4a E5a E6a E7a E8a E1a E2a E3a E4a E5a E6a E7a E8a E1a E2a E3a E4a E5a E6a E7a E8a E1a E2a E3a E4a E5a E6a E7a A2 MOTOROLA ...

Page 7

... SEATING H G PLANE MOTOROLA PACKAGE DIMENSIONS P SUFFIX PLASTIC DIP CASE 707– NOTES: 1. POSITIONAL TOLERANCE OF LEADS (D), SHALL BE WITHIN 0.25 (0.010) AT MAXIMUM MATERIAL CONDITION, IN RELATION TO SEATING PLANE AND EACH OTHER. 2. DIMENSION L TO CENTER OF LEADS WHEN FORMED PARALLEL. 3. DIMENSION B DOES NOT INCLUDE MOLD FLASH ...

Page 8

... Motorola reserves the right to make changes without further notice to any products herein. Motorola makes no warranty, representation or guarantee regarding the suitability of its products for any particular purpose, nor does Motorola assume any liability arising out of the application or use of any product or circuit, and specifically disclaims any and all liability, including without limitation consequential or incidental damages. “Typical” parameters can and do vary in different applications. All operating parameters, including “ ...

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