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71M6543F/H和71M6543G/GH电表IC数据资料2011年4月v1.2©2008–2011TeridianSemiconductorCorporation1AMaximIntegratedProductsBrand概述71M6543F、71M6543H、71M6543G和71M6543GH是Teridian的第4代多相电表片上系统(SoC)，包括：8051兼容MPU、带有数字补偿的低功耗实时时钟(RTC)、闪存存储器和LCD驱动器。采用我们的单转换器技术(SingleConverterTechnology®)，内置一路22位Σ-ΔADC数字温度传感器、七路模拟输入、数字温度补偿、精密电压基准和32位计算引擎(CE)，只需少数外部元件即可支持各种电表设计。71M6543F、71M6543H、71M6543G和71M6543GH支持71M6xx3系列隔离传感器的接口选项，有效降低BOM成本、提高抗电磁干扰能力，进而增强系统可靠性。器件特性包括:超低功耗有效工作和电池供电模式、5KB公用RAM和64KB(71M6543F、71M6543H)或128KB(71M6543G、71M6543GH)闪存存储器(电表工作期间可编程程序和/或数据)。较强的处理能力、较高的采样速率，结合差分输入级，提供强大的计量功能，理想用于0.2精度等级的商业电表和工业电表设计(71M6543H、71M6543GH)。完整的软件开发工具、演示程序以及参考设计有助于加速计量产品的开发和认证，以满足ANSI、IEC等全球范围的电表计量标准。MPURTCTIMERSIADC0VADC8(VA)IADC2VADC9(VB)XINXOUTRXTXTXRXCOM0...5V3P3AV3P3SYSVBATVBAT_RTCIADC4VADC10(VC)SEGGNDAGNDDSEG/DIODIOICECBANEUTRALLOAD8888.8888PULSES,DIOIRAMRPOWERFAULTCOMPARATORMODUL-ATORSERIALPORTSOSCILLATOR/PLLMUXandADCLCDDRIVERDIO,PULSESCOMPUTEENGINEFLASHMEMORYRAM32kHzREGULATORShuntCurrentSensorsPOWERSUPPLYTERIDIAN71M6543F/71M6543H/71M6543G/71M6543GHTEMPERATURESENSORVREFIADC6BATTERYPWRMODECONTROLWAKE-UPNEUTRALI2CorµWireEEPROM9/17/2010IADC1IADC3IADC5IADC7RTCBATTERYV3P3DBATTERYMONITORSPIINTERFACEHOSTLCDDISPLAYResistorDividersPulseTransformers3xTERIDIAN71M6xx3Note:ThissystemisreferencedtoNeutral71M6xx371M6xx371M6xx3}IN*}IA}IB}IC*IN=NeutralCurrent特性•2000:1电流范围内，精度高达0.1%•优于IEC62053/ANSIC12.20标准要求•带有零相电流测量的七路传感器输入，电流输入可选择差分模式•一路电流输入可选择增益1或8，支持分流器•高速Wh/VARh脉冲输出，可编程脉冲宽度•64KB闪存、5KBRAM(71M6543F/H)•128KB闪存、5KBRAM(71M6543G/GH)•多达四路脉冲输出，带有脉冲计数•四象限表计，支持相排序•数字温度补偿：计量补偿高精度RTC用于晶振自动温度补偿的TOU功能，支持所有功率模式•独立的32位计算引擎•46-64Hz电网频率范围，采用相同校准•相位补偿(±7°)•三种备份电池供电模式：掉电模式LCD模式休眠模式•引脚事件唤醒和定时器唤醒•休眠模式电流损耗仅为1μA•闪存加密•在系统编程•8位MPU(80515)，高达5MIPS•掉电模式下的全速MPU时钟•LCD驱动器：6个公共段驱动器多达56个可选引脚•多达51个多功能DIO引脚•硬件看门狗定时器(WDT)•I2C/MICROWIRE™EEPROM接口•通过SPI接口提供闪存编程•两个UART用于IR和AMR•IRLED调制驱动器•工业级温度范围•100引脚无铅LQFP封装19-5375;Rev1.2;4/11SingleConverterTechnology是MaximIntegratedProducts,Inc.的注册商标。MICROWIRE是NationalSemiconductorCorp.的商标。71M6543F/H和71M6543G/GH数据资料2©2008–2011TeridianSemiconductorCorporationv1.2目录1引言.....................................................................................................................................................102硬件说明..............................................................................................................................................112.1硬件概述.....................................................................................................................................112.2模拟前端(AFE)...........................................................................................................................122.2.1信号输入引脚.................................................................................................................132.2.2输入复用器.....................................................................................................................142.2.3延时补偿.........................................................................................................................192.2.4ADC前置放大器.............................................................................................................202.2.5A/D转换器(ADC)............................................................................................................202.2.6FIR滤波器......................................................................................................................202.2.7电压基准.........................................................................................................................202.2.871M6xx3隔离传感器接口..............................................................................................222.3数字计算引擎(CE)......................................................................................................................252.3.1CE程序存储器................................................................................................................252.3.2CE数据存储器................................................................................................................252.3.3CE与MPU通信...............................................................................................................252.3.4电表公式.........................................................................................................................262.3.5实时监测器(RTM)...........................................................................................................262.3.6脉冲发生器.....................................................................................................................262.3.7CE功能综述....................................................................................................................282.480515MPU核............................................................................................................................302.4.1存储器架构和寻址..........................................................................................................302.4.2特殊功能寄存器(SFR).......................................................