IPR-PCIE/8 Altera, IPR-PCIE/8 Datasheet - Page 120

• Manufacturer Part Number: IPR-PCIE/8
• Description: IP CORE Renewal Of IP-PCIE/8
• Manufacturer: Altera
• Type: MegaCorer

Specifications of IPR-PCIE/8

• Software Application: IP CORE, Interface And Protocols, PCI
• Supported Families: Arria GX, Cyclone II, HardCopy II, Stratix II
• Core Architecture: FPGA
• Core Sub-architecture: Arria, Cyclone, Stratix
• Rohs Compliant: NA
• Function: PCI Express Compiler, x8 Link Width
• License: Renewal License
• Lead Free Status / RoHS Status: na
• Lead Free Status / RoHS Status: na

Signals
Figure 3–37. pme_to_sr & pme_to_cr in an Endpoint Waveform
3–82
PCI Express Compiler User Guide
cfg_pmcsr[31:0]
Table 3–32. Power Management Signals (Part 2 of 2)
Signal
pme_to_sr
pme_to_cr
O
I/O
1
Figure 3–37
endpoint. First, the MegaCore function receives the PME_turn_off
message. Then, the application attempts to send the PME_to_ack
message to the root port.
MSI & INTx Interrupt signals
The MegaCore function supports both message signaled interrupt (MSI)
and INTx interrupts. MSI transactions are write transaction layer packets.
Power management capabilities register. This register is read only and provides
information related to power management for a specific function.
●
●
●
●
●
●
●
●
31
2
cfg_pmcsr[31:24]
a function can assert
cfg_pmcsr[23:16]
cfg_pmcsr[15]
that the function would normally assert the
state of the
cfg_pmcsr[14:13]
when interpreting the value retrieved from the Data register. This field is read
-only.
cfg_pmcsr[12:9]
be reported through the Data register and the Data_scale field.
cfg_pmcsr[8]
1: indicates that the function can assert PME#
0: indicates that the function cannot assert PME#
cfg_pmcsr[7:2]
cfg_pmcsr[1:0]
Data Register
3
PCI Express Compiler Version 6.1
4
illustrates the behavior of pme_to_sr and pme_to_cr in an
24 23
PME_en
5
6
:
Reserved
PME_EN
:
Clock Cycles
PME_status
: Reserved
:
bit.
PM_STATE
PME#
:
7
Data_select
: Data register: This field indicates which power states
: Reserved.
:
Data_scale
PME_status
8
:
.
16
15
9
Data_scale
Description
14
13
: When this signal is set to 1, it indicates
10
Data_select
12
: This field indicates the scaling factor
: This field indicates which data should
11
PME_EN
9
PME#
12
8
7
13
signal independent of the
Reserved
14
PM_state
2
15
Altera Corporation
1
December 2006
0