2.6
IOFPGA
The IOFPGA provides access to low
‑
bandwidth peripherals that the N1 SoC does not provide. The N1
SoC connects to the IOFPGA through an AXI Thin Links (TLX
‑
400) master and slave interfaces.
This section contains the following subsections:
•
•
2.6.1
Overview of IOFPGA
The IOFPGA on the N1 board contains the following blocks and interfaces:
• eMMC device.
• microSD card controller.
• QSPI controller.
• DDR3 controller.
• PL031
Real Time Clock
(RTC).
• SP804 Timers.
• SP805 Watchdog.
• SP810 System controller.
• PL011 UARTs.
• GIC-400 interrupt controller.
• 1MB SRAM.
• I
2
C configuration of PCIe switch and HDMI PHY.
• HDLCD.
• APB mapping to user LEDs and switches.
• APB-mapped energy meter registers.
2 Hardware description
2.6 IOFPGA
101489_0000_02_en
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