PCM4L datasheet(18/38 Pages) RENESAS

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R31DS0087EU0101 Rev.1.01

Page 18

Sep.28.21

pcm4l Datasheet

displayStackStatusTimeoutS

econds

A periodic timer is started when the LOSM enters unqualified state and is

stopped when leaving unqualified state. If the timer expires, the following

information for each enabled instance is displayed:

▪ Domain

▪ Port state

▪ Address mode

▪ Unicast negotiation enable

▪ Unicast table

▪ Acceptable master enable

▪ Acceptable master table

Valid values: A non-negative 32-bit integer (seconds).

remoteUdsAddress

“/var/run/ptp4l”

Identifies the PTP stack UDS address.

localUdsAddress

“/var/run/pcm4l” Identifies the local UDS address.

phc4lConfig

N/A

See Table 3

deviceConfig

N/A

See Table 5.

profileConfig

N/A

See Table 6.

loggerConfig

N/A

See Table 7.

instanceConfig

N/A

See Table 11.

Table 3. PHC Configuration Parameters

JSON Identifier

Default

Description

dcoDevice

“/dev/ptp1”

Identifies the PHC device node for the main PTP Hardware Clock for clock

control (i.e., Renesas timing device).

tsDevice

“/dev/ptp0”

Identifies the PHC device node for the PTP timestamper (OC) or timestampers

(BC).

phaseSnapDelaySecond

This indicates the time to wait for a time adjustment to be reflected at the PHC.

syncdConfig

N/A

See Table 4.

Table 4. Syncd Configuration Parameters

JSON Identifier

Default

Description

syncdPeriodSecond

This is the interval to run the timestamper ToD synchronization.

Table 5. Device Configuration Parameters

JSON Identifier

Default

Description

oscillatorType

“MiniOcxo”

The oscillator type specifies the type of oscillator being used for the 1588

application.

▪ “Tcxo”: Temperature compensated XO

▪ “MiniOcxo”: Hybrid oven/temperature compensated XO that meets ITU-

G.8263 holdover stability

▪ “Ocxo”: Oven controlled XO that meets G.812 Type I/II/III

▪ “SyncE”: Co-located physical layer assistance (for G.8273.2 clocks)

Table 2. Top-Level Configuration Parameters (Cont.)

JSON Identifier

Default

Description

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