LS1D100
LS1D100
Loongson 1D100 is a dedicated MCU chip for ultrasonic water meters, heat meters, and gas meters, integrating CPU, FLASH, Time-to-Digital Converter (TDC), Ultrasonic Pulse Generator, Temperature Sensor (THSENS), SPI, I2C, UART, MBUS, Segment LCD Controller, ADC, RTC, Empty Pipe Detection, Wire Break Detection, and other functional modules. Using the QFP80 package, with a quiescent current of less than 10μA, it features high timing measurement accuracy, rich peripheral functions, and low power consumption. Along with a comprehensive programming, simulation, and debugging environment, it significantly simplifies the software and hardware design of the ultrasonic flow measurement system.
LS1D100 Specification
Kernel
one 32-bit LA132 core, including FPU
Frequency
8/11/32MHz
Power consumption
quiescent current <10μA
SRAM
4KB instruction SRAM，4KB data SRAM
On-ship FLASH
128KB
I/O interfaces
SPI，UART，I2C，SONAR，THSENS，LCD，MBUS，ADC，RTC，GPIO，etc.
Measuring range
10us~4ms
Number of received echo samples
1~32
Number of ultrasonic pulses emitted
1~127
Ultrasonic pulse frequency
8KHz~4MHz
LS1D100 Manual
LS1D100 Application
Ultrasonic Heat meter
Ultrasonic water meter
