BOOT_PIN_CTRL (CRL_APB) Register

Zynq UltraScale+ Devices Register Reference (UG1087)

Document ID
UG1087
Release Date
2024-03-13
Revision
1.10

BOOT_PIN_CTRL (CRL_APB) Register Description

Register NameBOOT_PIN_CTRL
Offset Address0x0000000250
Absolute Address 0x00FF5E0250 (CRL_APB)
Width16
TypemixedMixed types. See bit-field details.
Reset Value0x00000000
DescriptionUsed to control the mode pins after boot.

BOOT_PIN_CTRL (CRL_APB) Register Bit-Field Summary

Field NameBitsTypeReset ValueDescription
Reserved15:12rwNormal read/write0x0reserved
out_val11:8rwNormal read/write0x0Value driven onto the mode pins, when out_en = 1
in_val 7:4roRead-only0x0Value captured from the mode pins
out_en 3:0rwNormal read/write0x0When 0, the pins will be inputs from the board to the PS. When 1, the PS will drive these pins