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HCS515 Datasheet(PDF) 22 Page - Microchip Technology

Part # HCS515
Description  KEELOQ Code Hopping Decoder
PDF  32 Pages
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Manufacturer  MICROCHIP [Microchip Technology]
Direct Link  http://www.microchip.com
Logo MICROCHIP - Microchip Technology

HCS515 Datasheet(HTML) 22 Page - Microchip Technology

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HCS515
DS40183D-page 22
© 2002 Microchip Technology Inc.
8.1.4
WRITE TO USER EEPROM COMMAND
Standard Operating Conditions (unless otherwise specified):
Commercial (C):
0°C
≤ TA ≤ +70°C
Industrial (I):
-40°C
≤ TA ≤ +85°C
Symbol
Parameters
Min.
Typ.
Max.
Units
TWR
Write command activation time
20
1000
µs
TACK
EEPROM write acknowledge time
10
ms
TRESP
Microcontroller acknowledge
response time
20
1000
µs
TACK2
Decoder response
acknowledge time
——
10
µs
Note:
These parameters are characterized but not tested.
8.1.5
ERASE ALL COMMAND
Standard Operating Conditions (unless otherwise specified):
Commercial (C):
0°C
≤ TA ≤ +70°C
Industrial (I):
-40°C
≤ TA ≤ +85°C
Symbol
Parameters
Min.
Typ.
Max.
Units
TERA
Learn command activation time
20
1000
µs
TACK
Decoder acknowledge time
20
210
ms
TRESP
Microcontroller acknowledge
response time
20
1000
µs
TACK2
Decoder data line low
10
µs
Note:
These parameters are characterized but not tested.
8.1.6
ACTIVATE LEARN COMMAND IN MICRO MODE
Standard Operating Conditions (unless otherwise specified):
Commercial (C):
0°C
≤ TA ≤ +70 °C
Industrial (I):
-40°C
≤ TA ≤ +85°C
Symbol
Parameters
Min.
Typ.
Max.
Units
TLRN
Learn command activation time
20
1000
µs
TACK
Decoder acknowledge time
20
µs
TRESP
Microcontroller acknowledge
response time
20
1000
µs
TACK2
Decoder data line low
10
µs
Note:
These parameters are characterized but not tested.
8.1.7
ACTIVATE LEARN COMMAND IN STAND-ALONE MODE
Standard Operating Conditions (unless otherwise specified):
Commercial (C):
0°C
≤ TA ≤ +70°C
Industrial (I):
-40°C
≤ TA ≤ +85°C
Symbol
Parameters
Min.
Typ.
Max.
Units
TREQ
Command request time
100
ms
TLRN
Learn command activation time
2
s
TERA
Erase-all command activation time
6
s
Note:
These parameters are characterized but not tested.



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