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参数资料
型号： 71M6542F-IGT/F
厂商： MAXIM INTEGRATED PRODUCTS INC
元件分类： 模拟信号调理
英文描述： SPECIALTY ANALOG CIRCUIT, PQFP100
封装： LEAD FREE, LQFP-100
文件页数： 36/165页
文件大小： 2208K
代理商： 71M6542F-IGT/F
130
2008–2011 Teridian Semiconductor Corporation
v1.1
When the MPU receives the XFER_BUSY interrupt, it knows that fresh data is available in the transfer
variables. CE transfer variables are modified during the CE code pass that ends with an XFER_BUSY
interrupt. They remain constant throughout each accumulation interval. In this data sheet, the names of
CE transfer variables always end with “_X”. The transfer variables can be categorized as:
Fundamental energy measurement variables
Instantaneous (RMS) values
Other measurement parameters
5.3.8.1 Fundamental Energy Measurement Variables
Table 85 and Table 86 describe each transfer variable for fundamental energy measurement. All
variables are signed 32-bit integers. Accumulated variables such as WSUM are internally scaled so they
have at least 2x margin before overflow when the integration time is one second. Additionally, the hardware
does not permit output values to fold back upon overflow.
Table 85: CE Transfer Variables (with Local Sensors)
CE
Address
Name
Description
Configuration
0x84
WSUM_X
The signed sum: W0SUM_X+W1SUM_X. Not used
for EQU[2:0] = 0 (I/O RAM 0x2106[7:5]) and
EQU[2:0] = 1.
Figure 35 (page 93)
Figure 37 (page 95)
0x85
W0SUM_X
The sum of Wh samples from each wattmeter
element.
LSBW = 9.4045*10
-13 * VMAX * IMAX Wh.
0x86
W1SUM_X
0x88
VARSUM_X
The signed sum: VAR0SUM_X+VAR1SUM_X. Not
used for EQU[2:0] = 0 and EQU[2:0] = 1.
0x89
VAR0SUM_X
The sum of VARh samples from each wattmeter
element.
LSBW = 9.4045*10
-13 * VMAX * IMAX VARh.
0x8A
VAR1SUM_X
Note:
71M6542 only.
Table 86: CE Transfer Variables (with Remote Sensor)
CE
Address
Name
Description
Configuration
0x84
WSUM_X
The signed sum: W0SUM_X+W1SUM_X. Not used
for EQU[2:0] = 0 (I/O RAM 0x2106[7:5]) and
EQU[2:0] = 1.
Figure 36 (page 94)
Figure 38 (page 96)
0x85
W0SUM_X
The sum of Wh samples from each wattmeter
element.
LSB = 1.55124*10
-12 * VMAX* IMAX Wh.
0x86
W1SUM_X
0x88
VARSUM_X
The signed sum: VAR0SUM_X+VAR1SUM_X. Not
used for EQU[2:0] = 0 and EQU[2:0] = 1.
0x89
VAR0SUM_X
The sum of VARh samples from each wattmeter
element.
LSB = 1.55124*10
-12 *VMAX* IMAX VARh.
0x8A
VAR1SUM_X
Note:
71M6542 only.
WSUM_X (CE RAM 0x84) and VARSUM_X (CE RAM 0x88) are the signed sum of Phase-A and Phase-B Wh
or VARh values according to the metering equation specified in the I/O RAM control field EQU[2:0] (I/O
RAM 0x2106[7:5]). WxSUM_X (x = 0 or 1, CE RAM 0x85 and 0x86) is the Wh value accumulated for phase x
in the last accumulation interval and can be computed based on the specified LSB value.
相关PDF资料
PDF描述
71M6542G-IGTR/F SPECIALTY ANALOG CIRCUIT, PQFP100
71M6541G-IGTR/F SPECIALTY ANALOG CIRCUIT, PQFP64
71M6541F-IGTR/F SPECIALTY ANALOG CIRCUIT, PQFP64
71M6541D-IGTR/F SPECIALTY ANALOG CIRCUIT, PQFP64
71M6542F-IGTR/F SPECIALTY ANALOG CIRCUIT, PQFP100
相关代理商/技术参数
参数描述
71M6542F-IGTR/F 功能描述:计量片上系统 - SoC Precision 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
71M6542FT-IGT/F 制造商:Maxim Integrated Products 功能描述:1-PHASE SOC 128KB WITH PREC TEMP SENSOR - Rail/Tube
71M6542FT-IGTR/F 制造商:Maxim Integrated Products 功能描述:1-PHASE SOC, 64KB FLASH, PRES TEMP SENSOR - Tape and Reel
71M6542G 制造商:未知厂家 制造商全称:未知厂家 功能描述:71M6541D/71M6541F/71M6541G/71M6542F/71M6542G 是 TeridianTM 的第4 代高集成度单相电表SoC
71M6542G-IGT/F 功能描述:计量片上系统 - SoC 1-Phase Metering SOC with 128KB Flash 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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