参数资料
型号: 71M6521BE-IGT/F
厂商: Maxim Integrated
文件页数: 61/97页
文件大小: 0K
描述: IC ENERGY METER 8K FLASH 64-LQFP
产品培训模块: Lead (SnPb) Finish for COTS
Obsolescence Mitigation Program
标准包装: 160
系列: Single Converter Technology®
测量误差: 0.4%
电源电压: 3 V ~ 3.6 V
测量仪表类型: 单相,双相
工作温度: -40°C ~ 85°C
安装类型: 表面贴装
封装/外壳: 64-LQFP
供应商设备封装: 64-LQFP(10x10)
包装: 托盘
71M6521BE
Energy Meter IC
DATA SHEET
JANUARY 2008
Connecting LCDs
The 71M6521BE has a LCD controller on-chip capable of controlling static or multiplexed LCDs. Figure 30 shows the basic
connection for a LCD.
6521
LCD
segments
commons
Figure 30: Connecting LCDs
Nineteen pins are dedicated LCD segment pins (SEG0 to SEG18). If more pins are needed to drive segments, the dual-
function pins CKTEST/SEG19, E_RXTX/SEG38, E_TCLK/SEG33, and E_RST/SEG32 can be used.
Even more segment pins are available in the form of combined DIO and segment pins (SEG24/DIO4 to SEG31/DIO11,
SEG34/DIO14 to SEG37/DIO17).
The split between DIO and LCD use of the combined pins is controlled with the DIO register LCD_NUM . LCD_NUM can be
assigned any number between 0 and 18. The first dual-purpose pin to be allocated as LCD is SEG37/DIO17. Thus if
LCD_NUM =5, SEG37 will be configured as LCD. The remaining SEG36 to SEG24 will be configured as DIO16 to DIO4. DIO1
and DIO2 are always available, if not used for the optical port.
Pins CKTEST/SEG19, E_RXTX/SEG38, E_TCLK/SEG33, and E_RST/SEG32 are not affected by LCD_NUM .
V1.0
? 2005-2008 TERIDIAN Semiconductor Corporation
Page: 61 of 97
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71M6521BE-IGTR/F 功能描述:计量片上系统 - SoC Residential Energy Meter IC RoHS:否 制造商:Maxim Integrated 核心:80515 MPU 处理器系列:71M6511 类型:Metering SoC 最大时钟频率:70 Hz 程序存储器大小:64 KB 数据 RAM 大小:7 KB 接口类型:UART 可编程输入/输出端数量:12 片上 ADC: 安装风格:SMD/SMT 封装 / 箱体:LQFP-64 封装:Reel
71M6521BE-IGTR/F1 功能描述:计量片上系统 - SoC RoHS:否 制造商:Maxim Integrated 核心:80515 MPU 处理器系列:71M6511 类型:Metering SoC 最大时钟频率:70 Hz 程序存储器大小:64 KB 数据 RAM 大小:7 KB 接口类型:UART 可编程输入/输出端数量:12 片上 ADC: 安装风格:SMD/SMT 封装 / 箱体:LQFP-64 封装:Reel
71M6521DE 制造商:TERIDIAN 制造商全称:TERIDIAN 功能描述:Energy Meter IC
71M6521DE-DB 制造商:Maxim Integrated Products 功能描述:Development Boards & Kits - 8051 71M6521DE Demo Brd
71M6521DE-IGT/F 功能描述:计量片上系统 - SoC Residential Energy Meter IC RoHS:否 制造商:Maxim Integrated 核心:80515 MPU 处理器系列:71M6511 类型:Metering SoC 最大时钟频率:70 Hz 程序存储器大小:64 KB 数据 RAM 大小:7 KB 接口类型:UART 可编程输入/输出端数量:12 片上 ADC: 安装风格:SMD/SMT 封装 / 箱体:LQFP-64 封装:Reel