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| 型号： | 71M6521BE-IGT/F |
| 厂商： | Maxim Integrated |
| 文件页数： | 94/97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 |
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71M6521BE
Energy Meter IC
DATA SHEET
JANUARY 2008
PIN DESCRIPTIONS
Power/Ground Pins:
Name
GNDA
GNDD
V3P3A
V3P3SYS
Type
P
P
P
P
Circuit
--
--
--
--
Description
Analog ground: This pin should be connected directly to the ground plane.
Digital ground: This pin should be connected directly to the ground plane.
Analog power supply: A 3.3V power supply should be connected to this pin, must be the
same voltage as V3P3SYS.
System 3.3V supply. This pin should be connected to a 3.3V power supply.
Auxiliary voltage output of the chip, controlled by the internal 3.3V selection switch. In
V3P3D
O
13
mission mode, this pin is internally connected to V3P3SYS. In BROWNOUT mode, it is
internally connected to VBAT. This pin is floating in LCD and sleep mode.
VBAT
V2P5
P
O
12
10
Battery backup power supply. A battery or super-capacitor is to be connected between
VBAT and GNDD. If no battery is used, connect VBAT to V3P3SYS.
Output of the internal 2.5V regulator. A 0.1μF capacitor to GNDA should be connected to
this pin.
Analog Pins:
Name
Type
Circuit
Description
Line Current Sense Inputs: These pins are voltage inputs to the internal A/D converter.
IA, IB
I
6
Typically, they are connected to the outputs of current sensors. Unused pins must be
connected to V3P3A.
Line Voltage Sense Inputs: These pins are voltage inputs to the internal A/D converter.
VA, VB
I
6
Typically, they are connected to the outputs of resistor dividers. Unused pins must be
connected to V3P3A or tied to the voltage sense input that is in use.
Comparator Input: This pin is a voltage input to the internal comparator. The voltage ap-
V1
I
7
plied to the pin is compared to an internal BIAS voltage (1.6V). If the input voltage is
above the reference, the comparator output will be high (1). If the comparator output is
low, a voltage fault will occur. A 0.1μF capacitor to GNDA should be connected to this pin.
Voltage Reference for the ADC. This pin is normally disabled by setting the VREF_CAL bit
VREF
O
9
in the I/O RAM and can be left unconnected. If enabled, a 0.1μF capacitor to GNDA
should be connected.
XIN
XOUT
I
8
Crystal Inputs: A 32kHz crystal should be connected across these pins. Typically, a 27pF
capacitor is also connected from each pin to GNDA. It is important to minimize the
capacitance between these pins. See the crystal manufacturer datasheet for details.
Pin types: P = Power, O = Output, I = Input, I/O = Input/Output
The circuit number denotes the equivalent circuit, as specified under “I/O Equivalent Circuits”.
Page: 94 of 97
? 2005-2008 TERIDIAN Semiconductor Corporation
V1.0
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相关代理商/技术参数 |
参数描述 |
|---|---|
| 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 |
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