1、Freescale MC9S08Lx超低功耗MCU開發(fā)方案Freescale 公司的MC9S08Lx系列是集成了LCD驅(qū)動(dòng)器的超低功耗MCU,同時(shí)增加了ADC的精度以用于醫(yī)療和儀表測(cè)控應(yīng)用. MC9S08LH采用8位HCS08 CPU,有高達(dá)64KB的閃存,3.6V-2.1V電壓時(shí)CPU頻率高達(dá)40MHz,支持多達(dá)32個(gè)中斷源,帶電荷泵的多達(dá)8x36或4x40 LCD驅(qū)動(dòng)器以及16位分辨率的ADC,主要應(yīng)用在汽車電子,消費(fèi)類電子,智能電表,工業(yè)控制,醫(yī)療和馬達(dá)控制.本文介紹了MC9S08LH64系列主要特性,方框圖以及TWR-S08LH64-KIT開發(fā)套件主要特性和開發(fā)板電路圖.Freesca

2、le expands the first S08 ultra-low-power MCU with LCD driver and increased ADC accuracy for medical and metering applications. The MC9S08LH family available with up to 64KB flash helps you reach your target performance levels while minimizing power consumption in your design, demonstrating extreme e

3、nergy efficiency for ultra-long operation in battery-powered applications.Maximize battery life, measure more precisely and make development easier with Freescales MC9S08LH64/36. The 16-bit SAR delivers outstanding precision to meet the needs of entry-level metering and medical applications.Cost is

4、reduced with the integration of an LCD driver which supports more segments with fewer pins. Additionally, the MCU is the industrys best-in-class ultra-low-power MCU with LCD for long operation in batterypowered applications. These features are ideal for smart metering and medical applications such a

5、s glucometers and pulse oximeters.Provides entry level flash-size part (64 KB) for cost-conscious, single-phase, electricity meter designs. The enhanced ADC, along with low-power technology, is ideal for electricity meters and medical devices operated by battery for more than five years.MC9S08LH64系列

6、主要特性:Covers: MC9S08LH64 and MC9S08LH36 8-Bit HCS08 Central Processor Unit (CPU) Up to 40 MHz CPU at 3.6 V to 2.1 V across temperature range of 40 to 85 Up to 20 MHz at 2.1 V to 1.8 V across temperature range of 40 to 85HC08 instruction set with added BGND instruction Support for up to 32 interrupt/r

7、eset sources On-Chip Memory Dual array flash read/program/erase over full operating voltage and temperature Random-access memory (RAM) Security circuitry to prevent unauthorized access to RAM and flash contents Power-Saving Modes Two low-power stop modes Reduced-power wait modeLow-power run and wait

8、 modes allow peripherals to run while voltage regulator is in standby Peripheral clock gating register can disable clocks to unused modules, thereby reducing currents Very low-power external oscillator that can be used in stop2 or stop3 modes to provide accurate clock source to time-of-day (TOD) mod

9、ule 6 s typical wakeup time from stop3 mode Clock Source Options Oscillator (XOSC) Loop-control Pierce oscillator; crystal or ceramic resonator range of 31.25 kHz to 38.4 kHz or 1 MHz to 16 MHz Internal Clock Source (ICS)Internal clock source module containing a frequency-locked-loop (FLL) controlle

10、d by internal or external reference; precision trimming of internal reference allows 0.2% resolution and 2% deviation over temperature and voltage; supporting bus frequencies from 1 MHz to 20 MHz System Protection Watchdog computer operating properly (COP) reset with option to run from dedicated 1 k

11、Hz internal clock source or bus clock Low-voltage warning with interrupt Low-voltage detection with reset or interrupt Illegal opcode detection with reset; illegal address detection with resetFlash block protection Development Support Single-wire background debug interface Breakpoint capability to a

12、llow single breakpoint setting during in-circuit debugging (plus two more breakpoints in on-chip debug module) On-chip in-circuit emulator (ICE) debug module containing three comparators and nine trigger modes Peripherals LCD Up to 836 or 440 LCD driver with internal charge pump and option to provid

13、e an internally-regulated LCD reference that can be trimmed for contrast control ADC 16-bit resolution; with a dedicated differential ADC input, and 8 single-ended ADC inputs; up to 2.5 s conversion time; hardware averaging; calibration registers, automatic compare function; temperature sensor; oper

14、ation in stop3; fully functional from 3.6 V to 1.8 V IIC Inter-integrated circuit bus module to operate at up to 100 kbps with maximum bus loading; multi-master operation; programmable slave address; interrupt-driven byte-by-byte data transfer; broadcast mode; 10-bit addressing ACMP Analog comparato

15、r with selectable interrupt on rising, falling, or either edge of comparator output; compare option to fixed internal reference voltage; outputs can beoptionally routed to TPM module; operation in stop3 SCIx Two full-duplex non-return to zero (NRZ) modules (SCI1 and SCI2); LIN master extended break

16、generation; LIN slave extended break detection; wakeup on active edge SPI Full-duplex or single-wire bidirectional; double-buffered transmit and receive; master or slave mode; MSB-first or LSB-first shifting TPMx Two 2-channel (TPM1 and TPM2); selectable input capture, output compare, or buffered ed

17、ge- or center-aligned PWM on each channel TOD (Time-of-day) 8-bit, quarter second counter with match register; external clock source for precise time base, time-of-day, calendar, or task scheduling functions VREFxTrimmable via an 8-bit register in 0.5 mV steps; automatically loaded with room tempera

18、ture value upon reset; can be enabled to operate in stop3 mode; trim register is not available in stop modes Input/Output Dedicated accurate voltage reference output pin, 1.2 V output (VREFOx); trimmable with 0.5 mV resolution Up to 39 GPIOs, two output-only pins Hysteresis and configurable pullup d

19、evice on all input pins; configurable slew rate and drive strength on all output pins Package Options: 14mm 14mm 80-pin LQFP, 10 mm 10 mm 64-pin LQFPMC9S08LH64系列目標(biāo)應(yīng)用:Single phase electricity metersLow-end utility meteringPortable medical equipmentsThermostatsAutomated test equipmentsIndustrial proce

20、ss control and measurementSensor interfacingDigital scalesAO-Electronics 傲壹電子 官網(wǎng)： 中文網(wǎng)：ALPS ADI IR JRC/NJR KEC OTAX Seoul Semiconductor TI Walsin Technology圖1.MC9S08LH64系列方框圖TWR-S08LH64-KIT開發(fā)套件The cost effective TWR-S08LH64-KIT development tool is part of the

21、Tower System and features the MC9S08LH64 segment LCD controller with integrated 16 bit ADC. It provides everything designer needs to develop and evaluate application code. The integrated OSBDM allows a designer to comunicate with the board and target device with only a USB cable and the board highli

22、ghts the MCUs low power features.This module is designed to be combined and used with a variety of peripheral modules in the Tower System, and can also operate as a standalone debug tool that can be purchased separately from the complete kit, part number TWR-S08LH64.TWR-S08LH64-KIT開發(fā)套件主要特性:5 K One Turn PotentiometerRS232 portMC9S08LH64 MCU32,768 Hz CrystalFreescale 3 axis accelerometer ADC input to MCUBuzzerLight Sensor with LP filter and opampMini-B USB connector1 reset push button and 4 push