JMT1808 MCU+DSP  

Characteristics:

• MCU Core

   1T JMT51 core

   Fully compatible with standard 8051 processor instruction set

   73 MHz maximum operating freque

• DSP Core

   JMT018 DSP core with single MAC
   JMT defined instruction set
   73 MHz maximum operating frequency

• CORDIC Core

   As a CORDIC coprocessor to MCU core
   As instruction set addition to DSP core
   Support circular functions(trigonometric rotation mode and vectoring mode)

• Memory

   32kB flash (shared by both MCU and DSP)
   256B standard 8051 RAM
   1kB on-chip XRAM
   1kB SRAM for DSP program memory
   64x16 SRAM for DSP DM0
   64x16 SRAM for DSP DM1
   MCU can access all DSP SRAMs

• Clocks

   Internal high-frequency oscillator:73.728MHz ±1%
   Internal low-frequency oscillator:32KHz ±5%
   On-Chip Crystal Oscillator/External Clock:22.1184MHz

• Timers

   3 x 16-bit general-purpose timers
   1 watchdog timer(WDT), clocked from low frequency oscillator
   1 real-time clock timer (RTC), clocked from low frequency oscillator

• PWMs

   2 x 16-bit PWMs
   Every PWM can be configured as 7 independent channels or 3 pairs of complementary channels and one independent channel.
   16-bit up, down, up/down auto-reload counter
   Edge-aligned or center-aligned PWM generation
   Complementary PWM outputs with programmable inserted dead-times
   Support input capture, output compare
   One-pulse mode output
   Trigger ADCs
   Break input
   Supports incremental (quadrature) encoder and hall-sensor circuitry

• Communication Interfaces

   1 x I2C interface
   2 × UART (IrDA)
   1 × SPI

• ADC

   2 x 10-bit, 2 µs A/D converters
   Up to 16 channels
   Conversion range: 0 to 5.5 V
   4 channel registers
   Dual ADC mode
   Scan mode
   Discontinuous mode
   Single and continuous conversion modes
   External trigger
   Programmable sampling time

• Integrated Programmable Gain Amplifiers ( PGA)

   2 x PGAs
   Programmable gains: G = 1,2,8,16 and 32
   Programmable as inverting amplifier and non-inverting amplifier

• 1 Analog comparator
• Up to 43 fast I/O ports
• Mode

   5 Modes: Normal, IDLE, STOP,SLEEP and DEEP SLEEP

Packages:

   LQFP48 and LQFP32

 

Flow chart:



Application:

•  Field Oriented Control (FOC) solutions are for 

    The UAV - Unmanned Aerial Vehicle
    Hoverboard
    E-Bike,
    Home Appliances, etc.

• E-Cigarettes: 200 Watts of Electronic Cigarettes.

 

Download JMT1808 MCU+DSP Product Documentation