LoongArch Main Board

LoongArch

Loongson Processor

Loongson processors have been widely used in various application scenarios in the energy industry. Some processors have started pilot applications in sectors including PLC controllers, DCS core controllers, safety controllers, instrument control terminals, and data terminals. Loongson-1, Loongson-2, and Loongson-3 series processors have been used in substation clock synchronization devices, smart electric meters, power quality monitoring devices, power switches, power GAP, power longitudinal encryption, and transverse isolation device.

Loongnix

Loongnix includes three product lines: Loongnix-Server, Loongnix-Client and Loongnix-Cloud, which are respectively oriented to the fields of server, personal computer and cloud computing.

Embedded LoongOS

LoongOS is an industrial control operating system with streamlined, efficient, and real-time features. LoongOS is based on the general-purpose Linux kernel and uses RT-Linux technology to achieve real-time performance.

Loongson 1 Processor LS1C101

LS1C101

Loongson 1C101 is a microcontroller chip optimized for door lock applications based on Loongson 1C100. The chip integrates functional modules such as Flash, SPI, UART, I2C, RTC, TSENSOR, VPWN, and ADC, which can greatly reduce board-level costs while meeting low power consumption requirements.

Product Parameters

KernelSingle-core 32-bit
Frequency8MHz
Power Consumption16.5mW/16.5μW
On-chip storage64KB Flash, 4KB instruction SRAM, 4KB data SRAM
I/O interfaceSPI、UART、I2C、RTC、TSENSOR、VPWN、ADC

Loongson 1 Processor LS1C102

LS1C102

Loongson 1C102 is a customized chip product in the embedded field, mainly for smart homes and other Internet of Things devices, using Loongson LA132 processor core, the chip integrates Flash, SPI, UART, I2C, RTC, TSENSOR, VPWM, ADC, GPIO and other functional modules, while meeting the requirements of low power consumption, greatly reducing board-level costs, with high stability, high security, low cost and other characteristics. Products are mainly used in intelligent door lock products, electric mopeds, treadmills, etc.

Product Parameters

KernelLA132, single-core 32-bit
Frequency8/11/32MHz
Sleep current<10μA
SRAM4KB instruction SRAM, 4KB data SRAM
Flash on a chip128KB
I/O interfaceSPI, UART, I2C, RTC, TSENSOR, VPWM, ADC, GPIO, etc

Loongson 1 Processor LS1C103

LS1C103

The chip integrates on-chip Flash, ATIM, GTIM, ADC, SPI, I2C, UART, RTC and other functional modules, which can output complementary PWM signals with dead space, has native support for driving servos, brushed motors, brushless motors, and common communication modules. Loongson 1C103 adopts QFN32 package form, chip size 4.0mm*4.0mm. The chip size is small, and each pin can be reused according to demand, and the application scenarios are flexible, which can meet the common motor applications with high cost performance. Products are mainly used in fascial guns, pruning machines, chainsaws, electric wrenches, skipping machines, fans, automotive electronics, etc.

Product Parameters

KernelLA132, single-core 32-bit
Frequency8/11/32MHz
Power Consumption<50mW
On-chip storage64KB Flash, 4KB instruction SRAM, 4KB data SRAM
I/O interfaceFlash, ATIM, GTIM, ADC, SPI, I2C, UART, RTC, etc

Loongson 2 Processor LS2K2000

LS2K2000

The Loongson 2K2000 is a general-purpose SOC chip with two LA364 processor cores integrated into the chip, 2MB shared level 2 cache, and a typical operating frequency of 1.4GHz. SPEC2006(base) single-core fixed point and floating-point score are 9/GHz and 9.9/GHz respectively. The chip integrates the 3D GPU core independently developed by Loongson, integrates rich interfaces, and also integrates security and trusted modules, CAN and other characteristic interfaces. With a power consumption of approximately 9/4W in high performance/balanced mode, the Loongson 2K2000 can meet the needs of a variety of application scenarios.

Product Parameters

KernelLA364 cores, 2 pcs
Frequency1.4GHz
Power Consumption3-9W
Floating-point unit128-bit vector unit
High-speed I/OPCIE3.0、SATA3.0
Other interfacesUSB3.0/2.0, HDMI and DVO, GNET and GMAC, audio interface, SDIO and eMMC, CAN, etc
L1 instruction cache64KB
L1 data cache64KB
L2 cache2MB
Memory controller72-bit DDR4, supports 2400, supports ECC

Loongson 2 Processor LS2K1500

LS2K1500

Loongson 2K1500 integrates 2 LA264 cores, main frequency 1.0GHz, in terms of interface and function, Loongson 2K1500 integrates DDR3, PCIE 3.0 and SATA 3.0 interface, PCIE interface with RC/EP mode and DMA function, providing a wealth of SPI, CAN, I2C, PWM and other small interfaces and USB interfaces, support eMMC functions. Loongson 2K1500 plastic version adopts FC-BGA package, due to the improvement of process technology and the use of low-power design methods, its power consumption is less than 2.8W in typical working scenarios, which can effectively meet the industrial control needs in low-power scenarios.

Product Parameters

KernelLA264 cores, 2 pcs
Frequency1.0GHz
Power Consumption<2.8W
Floating-point unit64-bit floating-point unit
High-speed I/OPCIE3.0、SATA3.0
Other interfacesSPI、CAN、I2C、PWM etc
L1 instruction cache32KB
L1 data cache32KB
L2 cache2MB
Memory controller64-bit DDR3

Loongson 2 Processor LS2K1000LA

LS2K1000LA

Loongson 2K1000 is a low-power general-purpose processor for industrial control and terminal applications. Chip peripheral interfaces include two PCIE 2.0, one SATA2.0, four USB4.2, two DVO, 0-bit DDR64 and many other interfaces.

Product Parameters

KernelDual-core 64-bit
Frequency1.0GHz
Power Consumption1~5W (supports dynamic frequency reduction and bucking)
Floating-point unit128-bit vector unit
Peak computing speed8GFlops
High-speed I/OPCIE2.0*2、SATA2.0
Other interfacesSPI、UART、GPIO、NAND、SDIO、DVO、I2S、HDA、I2C、USB2.0、GMAC
L1 instruction cache32KB
L1 data cache32KB
L2 cacheShare 1MB
Memory controller64-bit DDR3-1066

Loongson 2 Processor LS2K0500

LS2K0500

Loongson 2K0500 is a highly integrated processor chip, mainly for industrial control Internet applications, printing terminals, BMC and other application scenarios. On-chip integrated 64-bit LA264 processor core, 32-bit DDR3 controller, 2D GPU, DVO display interface, two PCIe 2.0, two SATA2.0, four USB2.0, one USB3.0, two GMAC, PCI bus, color black and white printing interface, HDA and other common interfaces. In addition, the chip implements ACPI, DVFS/DPM dynamic power consumption management and other low-power technologies, supports a variety of power levels and wake-up methods, and can control some functions of the chip and high-speed interfaces according to specific application scenarios for dynamic clock and power switch control, to meet the low-power application requirements of industrial control, network security and other applications.

Product Parameters

KernelSingle-core 64-bit
Frequency500MHz~800MHz
Power Consumption1~3W (support dynamic frequency reduction and bucking)
High-speed I/OPCIE2.0*2、SATA2.0*2、USB3.0
Other interfacesDVO、PCI、GMAC、USB2.0、NAND、SPI、LPC、LIO、I2C、PRINT、AC97、HDA、UART、SDIO、CAN、PS/2、PWM、GPIO
MicroarchitectureDual emission out-of-order execution LA264
L1 instruction cache32KB
L1 data cache32KB
L2 cacheShare 512KB
Memory controller32-bit DDR2/3-1066

Loongson 3 Processor LS3D5000

LS3D5000

The Loongson 3D5000 is a 32-core CPU product for the server market, packaged by two 3C5000 silicon wafers. Loongson 3D5000 integrates 32 LA464 processor cores and 64MB on-chip shared cache, supports 8 memory channels that meet DDR4-3200 specifications, can connect I/O expansion bridges through 5 high-speed HyperTransport interfaces and build single/dual/quad server systems, and the stand-alone system can support up to four 128 cores. Loongson 3D5000 also integrates security and trust module functions on-chip. Loongson 3D5000 adopts LGA-4129 package form, chip size is 75.4mm× 58.5mm×6.5mm, frequency support 2.0GHz or more, typical power consumption 160W, TDP power consumption does not exceed 300W. The measured scores of SPEC CPU2006 Base for single-socket and dual-socket servers exceed 400 and 800 points, respectively, and the SPEC CPU2006 Base score of four-socket servers can reach 1600 points.

Product Parameters

KernelLA464 cores, 32 pcs
Frequency≥2.0GHz
Peak computing speed1024GFlops@2.0GHz
CacheEach core contains a 64KB private level-1 instruction cache and 64KB private level-1 data cache; Each core contains 256KB of private second-level cache; Total 64MB Level 3 cache
Memory interfaceEight x 8-bit DDR72-4, supporting ECC verification
High-speed I/O1 HyperTransport 3.0 IO interface (DIE0_HT0)
Other I/O1 SPI, 1 UART, 5 I2C, 16 GPIO interfaces
Encapsulation methodLGA-4129
Power ManagementSupport the dynamic shutdown of the clock of the main module; Support dynamic frequency conversion in the main clock domain; Supports dynamic regulation in the main voltage domain
Typical power consumption160W@2.0GHz

Loongson 3 Processor LS3C5000

LS3C5000

For the general-purpose processor in the server field, 16 high-performance LA464 processor cores are integrated on the chip, using the new LoongArch autonomous command system (LoongArch®), and on the basis of compatibility with the Loongson 3C5000L motherboard design, the package form is adjusted and optimized to maintain the compatibility of the system and application software

Product Parameters

Frequency2.0GHz – 2.2GHz
Peak computing speed560GFlops@2.2GHz
Number of cores16
Processor cores64-bit superscalar processor core LA464; Support for the LoongArch ® instruction set; Support 128/256-bit vector instructions; Four launches are executed out of order; 4 fixed-point elements, 2 vector elements and 2 memory access units
CacheEach core contains a 64KB private level-1 instruction cache and 64KB private level-1 data cache; Each core contains 256KB of private second-level cache; Total 32MB Level 3 cache
Memory interface4 x 72-bit DDR4-3200; Support ECC verification
High-speed I/O1 HyperTransport 3.0 IO interface (HT0); 3 conformance interconnect high-speed interfaces (HT1, HT2, HT3)
Other I/O1 SPI, 1 UART, 3 I2C, 16 GPIO interfaces
Power ManagementSupport the dynamic shutdown of the clock of the main module; Support dynamic frequency conversion in the main clock domain; Supports dynamic regulation in the main voltage domain
Typical power consumption150W@2.2GHz

Loongson 3 Processor LS3A5000/3B5000

LS3A5000/3B5000

Loongson 3A5000/3B5000 is a general-purpose processor for personal computers, servers and other information fields, based on the LA464 microstructure of LoongArch® autonomous command system, and further increases frequency, reduces power consumption, and optimizes performance. On the basis of maintaining pin compatibility with the Loongson 3A4000 processor, the frequency is increased to 2.5GHz, the power consumption is reduced by more than 30%, and the performance is increased by more than 50%. Loongson 3B5000 supports multiple interconnects based on Loongson 3A5000.

Product Parameters

Frequency2.3GHz-2.5GHz
Peak computing speed160GFlops
Number of cores4
Processor coresSupport LoongArch® command system; Support 128/256-bit vector instructions; Four launches are executed out of order; 4 fixed-point elements, 2 vector elements and 2 memory access units
CacheEach processor core contains a 64KB private level-1 instruction cache and 64KB private level-1 data cache; Each processor core contains 256KB of private second-level cache; All processor cores share a 16MB level 3 cache
Memory interface2 x 72-bit DDR4-3200 controllers; Support ECC verification
High-speed I/O2 HyperTransport 3.0 controllers; supports Multiprocessor Data Consistency Interconnect (CC-NUMA)
Other I/O1 SPI, 1 UART, 2 I2C, 16 GPIO interfaces
Power ManagementSupport the dynamic shutdown of the clock of the main module; Support dynamic frequency conversion in the main clock domain; Supports dynamic regulation in the main voltage domain
Typical power consumption35W@2.5GHz

Loongson 3 Processor LS3C5000L

LS3C5000L

Loongson 3C5000L is a general-purpose processor for the server field of Loongson. Based on the Loongson 3A5000 processor, a total of 16 high-performance LA464 processor cores are integrated on-chip, and the new LoongArch autonomous command system (LoongArch®) is adopted to improve the level of integration while maintaining full compatibility of the system and software with the Loongson 3A5000.

Product Parameters

Frequency2.0GHz – 2.2GHz
Peak computing speed560GFlops
Number of cores16
Processor coresSupport LoongArch® command system; Support 128/256-bit vector instructions; Four launches are executed out of order; 4 fixed-point elements, 2 vector elements and 2 memory access units
CacheEach processor core contains a 64KB private level-1 instruction cache and 64KB private level-1 data cache; Each processor core contains 256KB of private second-level cache; Each of the four processor cores shares 16MB of level 3 cache, for a total of 64MB of level 3 cache
Memory interface4 x 72-bit DDR4-3200 controllers; Support ECC verification
High-speed I/O4 HyperTransport 3.0 controllers; supports Multiprocessor Data Consistency Interconnect (CC-NUMA)
Other I/O1 SPI, 1 UART, 3 I2C, 16 GPIO interfaces
Power ManagementSupport the dynamic shutdown of the clock of the main module; Support dynamic frequency conversion in the main clock domain; Supports dynamic regulation in the main voltage domain
Typical power consumption130W@2.2GHz

Loongson 3 Processor LS3A4000/3B4000

LS3A4000/3B4000

Loongson 3A4000/3B4000 is a general-purpose processor for personal computers, servers and other information fields. Compared with Loongson 3A3000, the pipeline efficiency of Loongson 3A4000/3B4000 is increased by 50% under the same main frequency, and the main frequency is increased to 1.8GHz-2.0GHz. The bandwidth of the HT controller for chip-to-chip interconnects and connecting bridges has been more than doubled, the memory controller has been upgraded from DDR3 to DDR4, and the SPECCPU2006 fixed-point and floating-point single-core scores have been increased to 20 points. The support for virtual machines is more perfect, and the efficiency reaches more than 95%. Loongson 3A4000/3B4000 is also the first processor to integrate vulnerability prevention design, hardware national secret algorithm, security trust module and security access control mechanism on a chip. Loongson 3B4000 supports multiple interconnects based on Loongson 3A4000.

Product Parameters

Frequency1.8GHz-2.0GHz
Peak computing speed128GFlops@2.0GHz
Number of cores4
Processor coresMIPS64 compatible; Support 128/256-bit vector instructions; Four launches are executed out of order; 4 fixed-point elements, 2 vector elements and 2 memory access units
Cache64KB private level 1 instruction cache, 64KB private level 1 data cache; 256KB private level 2 cache; Share 8MB Level 3 cache
Memory interfaceTwo 72-bit DDR4-2400 controllers that support ECC verification
High-speed I/OTwo 16-bit HyperTransport3.0 controllers; Multi-processor data consistency interconnection (CC-NUMA) Supports 2/4/8 data interconnection
Other I/O1 SPI, 1 UART, 2 I2C, 16 GPIO interfaces
Power ManagementSupport the dynamic shutdown of the clock of the main module; Support dynamic frequency conversion of the main clock; Supports dynamic regulation in the main voltage domain
Typical power consumption<30W@1.5GHz <40W@1.8GHz <50W@2.0GHz

Loongson 3 Processor LS7A2000

LS7A2000

The Loongson 7A2000 is the second generation Loongson 3 series processor companion blade for servers and personal computers. Loongson 7A2000 is optimized and upgraded from the first-generation bridge 7A1000. First, PCIE, USB and SATA have been upgraded to 3.0; secondly, the display interface has been upgraded to 2-channel HDMI and 1-channel VGA, which can directly connect to the display; In addition, a built-in network PHY directly provides network port output; In addition, for the first time, a self-developed GPU is integrated on the chip, using a unified rendering architecture, with a 32-bit DDR4 memory interface, and supporting a maximum memory capacity of 16GB.

Product Parameters

Processor interfaceHT3.0x16 6.4Gbps
GPUSupport for 3D
PCIE32 lane,Gen3
StorageSATA3.0*4
USBUSB3.0*4,USB2.0*8
Graphics MemoryDDR4 32-bit
Graphics interfacesHDMI*2,VGA*1
Other interfacesSPI、LPC、I2C*6、CAN*4、UART、GPIO

Loongson 3 Processor LS7A1000

LS7A1000

Loongson 7A1000 is a companion piece for Loongson 3 series processors in the server and personal computer fields. The bridge integrates one HT3.0 for connecting Loongson 3 series processors, and other major peripheral interfaces include three x8PCIE 2.0, two x4PCIE 2.0, three SATA2.0, six USB2.0, two DVOs and other small interfaces, which can meet the application requirements of some servers and personal computers, and provide corresponding interfaces for their extended applications.

Product Parameters

Processor interfaceHT3.0x16 3.2Gbps
GPUSupport 2D,3D
Graphics MemoryDDR3 16-bit
Graphics interfacesDVO*2
Other interfacesSPI、UART*4、I2C*6、GPIO
Power Consumption5~8W

Operating System Downloads

LoongArch Firmware and Settings

LoongArch Firmware & Settings