PLLCR1 (DDR_PHY) Register

Zynq UltraScale+ Devices Register Reference (UG1087)

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

PLLCR1 (DDR_PHY) Register Description

Register NamePLLCR1
Offset Address0x000000006C
Absolute Address 0x00FD08006C (DDR_PHY)
Width32
TypemixedMixed types. See bit-field details.
Reset Value0x00000000
DescriptionPLL Control Register 1 (Type B PLL Only)

PLLCR1 (DDR_PHY) Register Bit-Field Summary

Field NameBitsTypeReset ValueDescription
PLLPROG31:16rwNormal read/write0x0Connects to the PLL PLL_PROG bus. Reserved. Set to 0x0000.
Reserved15:6roRead-only0x0Reserved. Return zeroes on reads
BYPVREGCP 5rwNormal read/write0x0Bypass PLL vreg_cp
BYPVREGDIG 4rwNormal read/write0x0Bypass PLL vreg_dig.
LOCKPS 2rwNormal read/write0x0Lock Detector Phase Select. Connects to pin LOCK_PHASE_SEL
on the PLL.
LOCKCS 1rwNormal read/write0x0Lock Detector Counter Select. Connects to pin
LOCK_COUNT_SEL on the PLL.
LOCKDS 0rwNormal read/write0x0Lock Detector Select. Connects to pin LOCK_DET_SEL on the
PLL on the PLL.