HCS500 datasheet(21/24 Pages) MICROCHIP

21 / 24 page

HCS500

Preliminary

DS40153B-page 21

8.1.4

ACTIVATE LEARN COMMAND IN MICRO MODE

8.1.5

ACTIVATE LEARN COMMAND IN STAND-ALONE MODE

8.1.6

LEARN STATUS STRING

Standard Operating Conditions (unless otherwise speciﬁed):

Commercial (C):

°C ≤ TA ≤ +70 °C

Industrial (I):

-40

°C ≤ TA ≤ +85°C

Symbol

Parameters

Min

Typ

Max

Units

TLRN

Learn command activation time

—

1000

µs

TACK

Decoder acknowledge time

—

µs

TRESP

Microcontroller acknowledge

response time

—

1000

µs

TACK2

Decoder data line low

—

µs

Standard Operating Conditions (unless otherwise speciﬁed):

Commercial (C):

°C ≤ TA ≤ +70°C

Industrial (I):

-40

°C ≤ TA ≤ +85°C

Symbol

Parameters

Min

Typ

Max

Units

TPP1

Command request time

—

100

TPP2

Learn command activation time

—

TPP3

Erase-all command activation time

—

Standard Operating Conditions (unless otherwise speciﬁed):

Commercial (C):

°C ≤ TA ≤ +70°C

Industrial (I):

-40

°C ≤ TA ≤ +85°C

Symbol

Parameters

Min

Typ

Max

Units

TDHI

Command request time

—

500

TCLA

Microcontroller command

request time

0.005

—

500

TCA

Decoder request

acknowledge time

—

µs

TCLH

Clock high hold time

1.2

TCLL

Clock low hold time

0.020

—

1.2

TCLKH

Clock high time

—

1000

µs

TCLKL

Clock low time

—

1000

µs

FCLK

Clock frequency

500

—

25000

TDS

Data hold time

—

µs

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