Power management signals, Power management signals -54 – Altera Arria 10 Avalon-ST User Manual

Page 120

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Figure 6-40: Hard IP Reconfiguration Bus Timing of Read-Only Registers

avmm_clk

hip_reconfig_rst_n

user_mode

ser_shift_load

interface_sel

avmm_wr

avmm_wrdata[15:0]

avmm_rd

avmm_rdata[15:0]

D0

D0

D1

D1

D2 D3

324 ns

4 clks

4 clks

4 clks

For a detailed description of the Avalon-MM protocol, refer to the Avalon Memory Mapped Interfaces

chapter in the Avalon Interface Specifications.

Related Information

Avalon Interface Specifications

Power Management Signals

Table 6-19: Power Management Signals

Signal

Direction

Description

pme_to_cr

Input

Power management turn off control register.
Root Port—When this signal is asserted, the Root Port sends the

PME_turn_off

message.

Endpoint—This signal is asserted to acknowledge the

PME_turn_

off

message by sending

pme_to_ack

to the Root Port.

pme_to_sr

Output

Power management turn off status register.
Root Port—This signal is asserted for 1 clock cycle when the Root

Port receives the

pme_turn_off

acknowledge message.

Endpoint—This signal is asserted for 1 cycle when the Endpoint

receives the

PME_turn_off

message from the Root Port.

6-54

Power Management Signals

UG-01145_avst

2015.05.04

Altera Corporation

Interfaces and Signal Descriptions

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