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Name Port Required? Description

data_out[]

Output

No Data output when reading parameters.

This bus holds read parameter data from the remote

update block. The param[] value specifies the

parameter to read.Whenthe read_param signal is

asserted, the parameter value is loaded and driven on

this bus. Data is valid when the busy signal is

deasserted.

If left unconnected, the default value for the port is 0.

The width of this bus is device-dependent. For the

Quartus II software version 14.0 and onwards, the bus

widths is 32-bit bus width—using 4-byte addressing

configuration device, for example EPCQL-256.

ctl_nupt

Input

Yes This port allows you to select which register to be

read whenever read_param operation is running.

• A logic high will select the Control Register—

watchdog timer settings, configuration mode

(AnF) and page address.

• A logic low will select the Update Register—

param operation to be used in next reconfigura‐

tion.

Parameters

For Arria 10 devices, mapping to each parameter type and corresponding parameter bit width is defined

as follow:

Table 5: Parameter Type and Corresponding Parameter Bit Width Mapping

Bit Parameter Width Comments

000

Reconfiguration trigger

conditions (Read Only)

• Bit 4—wdtimer_source: User Watchdog Timer

timeout.

• Bit 3—nconfig_source: External configuration

reset (nCONFIG) assertion.

• Bit 2—runconfig_source: Configuration reset

triggered from logic array.

• Bit 1—nstatus_source: nSTATUS asserted by an

external device as the result of an error.

• Bit 0—crcerror_source: CRC error during

application configuration

The POR value for all bits are 0.

001

Illegal Value

Parameters

UG-31005

2015.04.07

Altera Corporation

Altera Remote Update IP Core User Guide

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