The Sunway 1621 processor datasheet provides specifications, pin definitions, interfaces, configuration, and electrical characteristics.
The Sunway 1621 is a 64‑bit high‑performance general‑purpose processor featuring a 16‑core Core3 A architecture, 32 MB shared L3 cache, and integrated DDR3 and PCIe interfaces. It targets system‑on‑chip applications with support for ECC, multiple clock domains, and power management.
The datasheet details the processor's core structure, chip layout, hardware interfaces (clock, memory, PCIe, maintenance, test, and power/ground signals), package and pin assignments, electrical parameters, reset and initialization procedures, and includes extensive pin‑out tables and signal definitions. This manual is written in Chinese.
| Core count | 16 |
|---|---|
| Maximum operating frequency | 2 GHz |
| L3 cache size | 32 MB |
| Memory interface data rate | 1600 Mbps |
| ECC support | Enabled on memory and cache interfaces |
It integrates 16 Core3 A cores on a single chip.
The processor can run up to 2 GHz.
The chip includes eight 64‑bit DDR3 memory interfaces with ECC and a maximum data rate of 1600 Mbps.