Design Scheme and Characteristics of Loongson 1F

Loongson 1F chip is a cost-effective single-chip system based on GS232 processor core, which can be widely used in industrial control, home gateway, information appliances, medical devices and security applications. Loongson 1F is realized by SMIC 0.13 micron process and packaged in Wire Bond BGA448.
Loongson 1F chip features: Integrated with a GS232 dual-launch Loongson processor core, the instruction and data L1 Cache are 16KB each. Integrated 2DGPU With two integrated DC controllers, the maximum resolution can be up to 1920*1080@60Hz/24bit. Two 10m/100m/100m adaptive GMAC are integrated. Two SATA2 integrated Integrated 32-bit PCI, supporting master-slave mode 1 integrated 32-bit DDR2 controller Integrated with 4 USB HOST interfaces, compatible with USB2.0 and USB1.1 Integrated with an 8-bit NAND FLASH controller, which can support up to 32GB. Integrated interrupt controller to support flexible interrupt settings. Two SPI controllers are integrated to support main mode, and SPI0 supports system startup. Integrated AC97 controller Integrated 4-bit LPC controller Integrated 4-way UART serial port 1-way integrated PS2 Integrated 3-channel I2C controller, compatible with SMBUS Integrated 2-way CAN bus controller Integrated 88 GPIO ports 1-channel RTC interface Integrated 4-channel PWM controller Integrated ACPI Integrated watchdog circuit