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AB5791CS4 DataSheet.pdf

CPU and Flexible IO

High-performance RISC-V dual-core, incorporating a 32-bit CPU and 32-bit GPU 

Dual RISC-V processor contains floating point unit(FPU), supports floating point arithmetic 

 Dual RISC-V processor maximum speed 180MHz 

Program memory: internal 32Mbit flash and 32Mbit PSRAM 

Total On-chip SRAM 768KB 

Flexible GPIO pins with Programmable pull-up and pull-down resistors 

Support GPIO wakeup or interrupt 

Support Sensor Hub

Graphics Accelerator

Built-in 2.5D GPU 

Hardware Blending function 

Hardware Rotate and Scale functions 

Support JPEG encode 

Support JPEG/MJPEG/GIF decode 

Digital Video Port (DVP) 

SPI CMOS Sensor Interface (SPI-CSI) 

Support ARGB, RGB, CLUT, A format 

GUI support LVGL, Bluetrum in House 

 DSPI/QSPI/SPI-3wire-9bit/SPI-4wire-8bit display driver

Peripheral and Interfaces

24M crystal oscillator circuit with on-chip loading capacitors, no external loading 

32K crystal oscillator circuit with external loading capacitors 

32-bit Basic Timer x3, 32-bit multi-function timers that supports capture mode and PWM mode x3

Full speed USB 2.0 Host/Device controller x 1 

High speed USB 2.0 Host/Device controller x 1 

Quadrature Decoder x1 

SD Card Host controller x 2 

Watch Dog 

Normal UART x2; High Speed UART with CTS/RTS x1 

IR receiver and IR transmitter 

10bit SARADC x11ch 

IIC Master/Slave interface x3 

IIS Master/Slave interface x1 

SPI Master/slave interface x 3 

Mechanical Pedometer Input x 3