Cyclone® 10 GX Core Fabric and General Purpose I/Os Handbook

ID 683775
Date 7/08/2024
Public
Document Table of Contents

7.4.5.1. Control Register

Table 77.  Control Register Bits
Bit Name Reset Value23 Description
0 AnF 1'b0 Application not Factory bit. Indicates the configuration image type currently loaded in the device; 0 for factory image and 1 for application image. When this bit is 1, the access to the control register is limited to read only and the watchdog timer is enabled.

Factory configuration design must set this bit to 1 before triggering reconfiguration using an application configuration image.

1..32 PGM[0..31] 32'h00000000 AS configuration start address.
33 Wd_en 1'b0 User watchdog timer enable bit. Set this bit to 1 to enable the watchdog timer.
34..45 Wd_timer[11..0] 12'h000 User watchdog time-out value.
23 This is the default value after the device exits POR and during reconfiguration back to the factory configuration image.