Intel Agilex User Manual page 21

5. Intel Agilex Power Optimization Techniques and Features
UG-20215 | 2019.04.02
When you configure the Intel Agilex device in the PMBus slave mode, you must
connect an additional
and
PWRMGT_SDA
Note: The PMBus slave mode only supports the 1.8-V single-ended I/O standard.
Figure 11. PMBus Slave Mode
Table 7. Supported Commands for the PMBus Slave Mode
Command Name
CLEAR_FAULTS
VOUT_MODE
VOUT_COMMAND
STATUS_BYTE
The following figure shows the stage flow for the external power management
controller in the PMBus slave mode.
Send Feedback
PWRMGT_ALERT
pins.
Intel FPGA – PMBus Slave
Temperature
Voltage
Fuse
Manager
Command Code
03h
20h
21h
78h
pin while connecting the existing
PMBus
PWRMGT_SCL
PWRMGT_SDA
PWRMGT_ALERT
SDM
Power
V
CC
V
CCP
Default PMBus Transaction
— Send byte
40h Read byte
— Read word
00h Read byte
®
Intel
PWRMGT_SCL
Board
Dedicated Intel FPGA
PMBus Regulator
Power
Management
Controller
Fixed
Voltage
Regulator
Number of Bytes
Type
0
1
2
1
™
Agilex Power Management User Guide
21