On Semi Q32M210 32位位MCU血糖仪应用方案血糖仪应用方案
OnSemi公司的Q32M210是精密的混合信号32位MCU,集成了2个16位模数转换器、高精度电压参考、3个10位
数模转换器和基于ARM®Cortex-M332位内核以及高度可配置的模拟前端及可编程的32位内核和256kB闪存.芯
片还集成所有关键功能，包括实时时钟、电源管理、112段液晶显示屏(LCD)接口、片上低阻抗开关、非限定
(uncommitted)运算放大器、精密电压参考(<50PPM/℃)及电阻电容(RC)振荡器。器件具有高精度感测,可预测工
作以及低
On Semi公司的Q32M210是精密的混合信号32位
Q32M210 is a precision, mixed−signal 32−bit microcontroller. Themicrocontroller is built on the high performance
ARMCortex_−M3 processor.
The microcontroller incorporates a highly configurable sensor interface designed to work directly with a wide range of
sensors having multiple characteristics, including specialized electrochemical sensors. The sensor interface includes dual
programmable gain amplifiers, dual 16−bit Analog−to−Digital converters, triple 10−bit Digital−to−Analog converters (for
voltage waveform generation and other applications) and three uncommitted, low−noise opamps with configurable signal
multiplexing. Flexible connectivity to external non−volatile memory, personal computers, wireless devices, LCD displays and
a wide range of other peripherals is enabled by several digital interfaces including I2C, USB (2.0 full−speed compliant) and a
high−speed SPI/SQI interface.
The microcontroller features flexible clocking options as well as intelligent failure monitoring of power and application
interruptions required by high performance, portable, battery operated applications.
All necessary clocks including an internal oscillator, real−time clock and a dedicated clock for USB operation are available
on−chip (external crystals required for RTC and USB).An embedded power management unit, which incorporates several
low power modes, allows application developers to minimize both standby and active power under a wide range of operating
conditions.
The ultra−low sleep current makes the microcontroller ideal for applications that remain inactive for long periods of time. A
large on−chip non−volatile flash memory (256 kB) combined with on−chip SRAM (48 kB) supports complex applications and
simplifies application development. The flash contains built−in hardware error checking and correction (ECC) for application
reliability. Additionally, a configurable DMA unit which supports independent peripheral−to−memory, memory−to−memory,
and memory−to− peripheral channels provides flexible, low power data transfers without processor intervention.
A suite of industry−standard development tools, hands−on training and full technical support are available to reduce design
cycle time and speed time−to−market.
Q32M210 主要特性:
Ultra Low−Power and Smart Power Management
Less than 400 _A / MHz, up to 16 MHz clock speed
Reliable operation down to 1.8 V; 3.3 V nominal supply voltage
Ultra−low−current sleep mode with Real−time Clock active (< 750 nA)
Low−current standby mode with register and SRAM retention (< 26 _A)
Integrated power supplies minimize need for external components. Only a minimum of external passives is required
Efficient, Powerful and Robust Processing Architecture
32−bit ARM Cortex−M3 CPU
256 kB on−chip flash with integrated hardware ECC for program and user data storage
48 kB on−chip SRAM
Flexible DMA, 4 general−purpose timers, CRC calculator
No external voltage required for flash write operation
Low−Noise, Low−Leakage, Low−Temperature Drift, Configurable Sensor Interface
Triple ultra low−noise opamps with low−leakage inputs and configurable outputs
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