Intel Agilex Configuration User Manual page 18

SDM Startup
• The SDM samples the
•
If is set to JTAG, the SDM remains in the Startup state.
MSEL
•
The SDM runs firmware stored in the on-chip boot ROM and enters the Idle state until the host drives
host should not drive
Idle
•
The SDM remains in IDLE state until the external host initiates configuration by driving the
Alternatively, the SDM enters the idle state after it exits the error state.
• The SDM also enters the Idle state after it exits the error state.
Configuration Start
•
After the SDM receives a configuration initiation request (
configuration by driving the
• Upon receiving configuration data, the SDM performs authentication, decryption and decompression.
•
The
nCONFIG
for configuration errors.
Configuration Pass
•
The SDM drives the
•
The
CONF_DONE
Configuration Error
•
A low pulse on the
• Errors usually require reconfiguration.
•
After a low pulse indicating an error, configuration stops. The
•
Following an error, the SDM drives
•
The device enters Idle state after the
Intel ® Agilex ™ Configuration User Guide
18
pins during power-on.
MSEL
high before all clocks are stable.
nCONFIG
pin high.
nSTATUS
pin remains high during configuration and in user mode. The host monitors the
pin high after successfully receiving full bitstream.
CONF_DONE
pin signals an external host that bitstream transfer is successful.
pin indicates a configuration error.
nSTATUS
nSTATUS
nSTATUS
nCONFIG = HIGH
pin remains high.
nSTATUS
low after the external host drives
pin recovers to initial pre-configuration low state.
2. Intel Agilex Configuration Details
UG-20205 | 2019.04.03
nCONFIG
pin from low to high.
nCONFIG
), the SDM signals the beginning of
pin continuously
nSTATUS
low.
nCONFIG
high. The
Send Feedback