AS8221-ASSP datasheet(37/41 Pages) AMSCO

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AS8221

Datasheet - Appendi x

www.austriamicrosystems.com/flexray/AS8221

Revision 1.4

37 - 41

VENIL

Threshold for detecting EN as on logical low

uVIO-IN-LOW

Threshold for detecting a digital input as on

logical low

IENIH

EN high level input current

IENIL

EN low level input current

tEN_DEB_LP

EN de-bouncing time low-power modes

tEN_DEB_NLP

EN de-bouncing time non-low-power modes

VERRNOH

ERRN high level output voltage

uVIO-OUT-HIGH

Output voltage on a digital output, when in

logical high state

VERRNOL

ERRN low level output voltage

uVIO-OUT-LOW

Output voltage on a digital output, when in

logical low state

Bus Guardian Interface

VBGEIH

Threshold for detecting BGE as on logical

high

uVIO-IN-HIGH

Threshold for detecting a digital input as on

logical high

VBGEIL

Threshold for detecting BGE as on logical low

uVIO-IN-LOW

Threshold for detecting a digital input as on

logical low

IBGEIH

BGE high level input current

IBGEIL

BGE low level input current

VRXENOH

RxEN high level output voltage

uVIO-OUT-HIGH

Output voltage on a digital output, when in

logical high state

VRXENOL

RxEN low level output voltage

uVIO-OUT-LOW

Output voltage on a digital output, when in

logical low state

Read Out Interface

tRO_EN_ERRN

Propagation delay falling edge EN to ERRN

tRO_EN_TIMEOUT

Error-read-out timeout

Table 12. Comparison Table

AS8221 Datasheet

FlexRay

Electrical Physical Layer Specification V2.1 Rev. B

Symbol

Parameter

Name

Description

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