Due to historical and confidential reasons, several Loongson processors didn’t appear on Loongson’s official website. Based on public documents and papers, I’m going to list Loongson processors here as far as possible.
If the content is under NDA, or you have more information about Loongson, please contact me. Thanks,
Godson-1
- SMIC 180nm CMOS
- 266Mhz MIPS-II
- Released on 2002
Godson-2A
Faild project.
Godson-2B (MZD110)
- SMIC 180 nm CMOS
- 300Mhz MIPS-III 64bit
- 32kb D-Cache 32Kb I-Cache (L1)
- Tapeout on August 13, 2003
Godson-2B1
- SMIC 180 nm CMOS
- 400Mhz MIPS-III 64bit
- 32kb D-Cache 32Kb I-Cache (L1)
- Tapeout on March 7, 2004
Godson-2C
- SMIC 180 nm CMOS
- 13.5 million transistors
- 500Mhz MIPS-III 64bit
- 64kb D-Cache 64Kb I-Cache (L1)
- External 1MB to 8MB L2 Cache
- Tapeout on June 8, 2004
Godson-2D
- ST 130nm CMOS
- 700Mhz MIPS-III 64bit
- 64kb D-Cache 64Kb I-Cache (L1)
- Tapeout on September 12, 2004
Godson-2D1
- ST 130nm CMOS
- 800Mhz MIPS-III 64bit
- 64kb D-Cache 64Kb I-Cache (L1)
- Tapeout on September 12, 2004
Loongson-1A
Loongson-1B
Loongson-1C
Loongson-1D
Loongson-1E (WH1770)
- Aerospace processor.
- 1*GS232
- Datasheet
Loongson-1F (WH1771)
- I/O bridge chip for Loongson-1E aerospace processor.
- 180nm CMOS
- 1*GS132@33Mhz
- Datasheet
Loongson-1G
Loongson-X (Loongxon-1?)
Appeared on a paper. Probably just Loongson-1E.
LS232_SM502
Appeared in PMON code. Probably just Loongson-1A.
Loongson-2E (CZ70)
- ST 90 nm CMOS
- Up to 1Ghz (in lab) MIPS-III 64bit
- Bonito FPGA-based NorthBridge
- Datasheet
- Usermanual
Loongson-2F
Loongson-2G
Loongson-2GJ
2G military? Appeared on a paper from BUAA. Probably just 2J.
Loongson-2H
Loongson-2I (LS2I0800D) (LS2GP0800D)
- 1*GS464@800Mhz
- Specification
Loongson-2J (Loongson-2G+)
Single core processor for military systems. (J refers to 军(Military))
- 1*GS464@800Mhz
- 65nm CMOS
- Datasheet
Loongson-2K1000
Loongson-3A1000
Loongson-3B1000
Loongson-3B1500