HCS515_11 Datasheet, PDF (26/38 Pages) Microchip Technology – KEELOQ® Code Hopping Decoder stand-alone decoder

HCS515
9.1.4 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
—
TRESP Microcontroller acknowledge
response time
20
—
10
ms
—
1000
μs
TACK2
Decoder response
acknowledge time
—
—
10
μs
Note: These parameters are characterized but not tested.
9.1.5 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
TACK Decoder acknowledge time
20
TRESP
Microcontroller acknowledge
response time
20
TACK2 Decoder data line low
—
Note: These parameters are characterized but not tested.
—
1000
μs
—
210
ms
—
1000
μs
—
10
μs
9.1.6 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.
9.1.7 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.
DS40183E-page 26
© 2011 Microchip Technology Inc.