Technical specifications
8.5 Hardware description
SIMATIC IPC277E
124
Operating Instructions, 11/2019, A5E35783335-AE
8.5.4.5
NVRAM address register
NVRAM occupies a 512 KB memory address area that can be read via PCI registers.
Meaning of the bits
NVRAM address register
PCI register address:
NVRAM base address regis-
ter
PCI register content:
NVRAM memory address (default)
Length of the memory area
9060 0000h
Address is assigned dynamically
(depending on device configura-
tion)
80000 h