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HCS515 数据表(PDF) 22 Page - Microchip Technology

部件名 HCS515
功能描述  KEELOQ CODE HOPPING DECODER
PDF  28 Pages
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制造商  MICROCHIP [Microchip Technology]
网页  http://www.microchip.com
标志 MICROCHIP - Microchip Technology

HCS515 数据表(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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