TFT-LCD Transmission Interface HT32F1755 / HT32F1765 Characteristics ® 32-bit ARM Cortex™-M3 Processor Core – up to 72MHz Operation Frequency 128KB Integrated Flash Memory Up to 64KB Integrated SRAM 2 SPI, I C, GPIO, and PDMA Display Speed (I8080) ◆ ◆ ◆ ◆ 5”~7” (480800) : 5.6 Frames / s 3.5”~4.7” (272480) : 16.6 Frames / s 2.8”~3.2” (240400) : 22.6 Frames / s 2.0”~3.5” (240320) : 28.3 Frames / s LCD Connector 32-bit MCU USART SD Card Serial Flash Control Button USB Connector Application Areas LCD Display System Architecture 1755 1765 36MHz SPI DMA NOR Image Storage 800480 480272 Controller SSD1963 1MB Internal RAM Intel 8080 (16/24‐pin) Data 8 8/16 CS // WR // CMDFLG 3 3 Back Light 1 1 Reset 1 1 Touch (I2C+INT) 3 3 Without internal RAM and Controller 400240 320240 Always with internal RAM and Controller