Zynq UltraScale+ Devices Register Reference > Module Summary > XPPU Module > M_APERTURE_32B (XPPU) Register
Register Name | M_APERTURE_32B |
---|---|
Relative Address | 0x0000000040 |
Absolute Address | 0x00FF980040 (LPD_XPPU) |
Width | 32 |
Type | roRead-only |
Reset Value | 0x00000000 |
Description | Number of 32-Byte Apertures Implemented for IPI. |
Of 128 possible apertures, only 8 are actually configured since there are 8 groups of IPI registers in memory space 0xFF30_0000 to 0xFF37_FFFF. Each aperture is aligned to a 4-kB page, but the IPI register sets are aligned to 64-kB page.
Field Name | Bits | Type | Reset Value | Description |
---|---|---|---|---|
NO | 31:0 | roRead-only | 0 | 128 apertures of 32 bytes each, value is fixed at 128. |