The card is populated with 2 Gb QSPI flash memory, which provides space to store up to four maximum-sized FPGA bitstreams. The following table details the QSPI component.
| Parameter | Description |
|---|---|
| Manufacturer | Micron |
| Part number | MT25QU02GCBB8E12 |
| Details |
Speed 75 MHz Density 2 Gb (256M x 8) |
Two FPGA configuration modes are supported:
- Master SPI x4
- JTAG (over Micro-USB or ADK2 debug connector)
The FPGA bank 0 mode pins are hardwired to master SPI mode M[2:0] = 001 with pull-up/pull-down resistors. At power up, the FPGA is configured by the Quad SPI NOR flash device using the primary serial configuration mode.
| Configuration Mode | M[2:0] | Bus Width | CCLK Direction |
|---|---|---|---|
| Master SPI | 001 | x1, x2, x4 | FPGA output |
| JTAG | Not applicable – JTAG overrides | x1 | Not applicable |