DDR3

The following are the guidelines for connecting the device to the DDR3 memory:

The following table lists the DDR3 memory interface features supported in PolarFire devices.

Table 1. Interfaces Supported in DDR3 Memory Devices
Interface DDR3
Voltage 1.5 V
I/O standard SSTL_15
Data rate 1333 MT/S-HSIO and 1066 MT/S-GPIO
Termination ODT for data group; VTT termination for address, command, and control
Routing topology (CK, ADDR/CMD, and CONTROL) Fly-by
Data transmission Point-to-point

The following figure shows the connectivity between DDR3 devices and PolarFire FPGAs.

Figure 1. DDR3 Interface Example