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| 型號(hào)： | 71M6531D-IM/F |
| 廠商： | MAXIM INTEGRATED PRODUCTS INC |
| 元件分類： | 電源管理 |
| 英文描述： | 1-CHANNEL POWER SUPPLY MANAGEMENT CKT, QCC68 |
| 封裝： | LEAD FREE, QFN-68 |
| 文件頁(yè)數(shù)： | 113/120頁(yè) |
| 文件大?。?/td> | 2477K |
| 代理商： | 71M6531D-IM/F |
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Data Sheet 71M6531D/F-71M6532D/F
FDS 6531/6532 005
92
2005-2010 TERIDIAN Semiconductor Corporation
v1.3
4.3.7
CE Transfer Variables
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:
1.
Fundamental energy measurement variables
2.
Instantaneous (RMS) values
3.
Other measurement parameters
Fundamental Energy Measurement Variables
Table 61 describes 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 will not permit
output values to fold back upon overflow.
Table 61: CE Transfer Variables
CE
Address
Name
Description
0x85
WSUM_X
For EQU[2:0] = 2, this register holds the calculated sum of Wh samples
from each wattmeter element (In_8 is the gain of 1 or 8 configured by
IA_SHUNT or IB_SHUNT).
LSB = 6.6952*10
-13 VMAX IMAX / In_8 Wh.
0x86
W0SUM_X
The sum of Wh samples from each wattmeter element (In_8 is the gain
of 1 or 8 configured by IA_SHUNT or IB_SHUNT).
LSB = 6.6952*10
-13 VMAX IMAX / In_8 Wh.
0x87
W1SUM_X
0x8A
VARSUM_X
For EQU[2:0] = 2, this register holds the calculated sum of VARh
samples from each element (In_8 is the gain of 1 or 8 configured by
IA_SHUNT or IB_SHUNT).
LSB = 6.6952*10
-13 VMAX IMAX / In_8 VARh.
0x8B
VAR0SUM_X
The sum of VARh samples from each element (In_8 is the gain 1 or 8
configured by IA_SHUNT or IB_SHUNT).
LSB = 6.6952*10
-13 VMAX IMAX / In_8 VARh.
0x8C
VAR1SUM_X
WxSUM_X is the Wh value accumulated for element X in the last accumulation interval and can be computed
based on the specified LSB value.
For example, with VMAX = 600 V and IMAX = 208 A, the LSB for WxSUM_X is 0.08356 Wh.
Instantaneous Measurement Variables
Table 62 contains various measurement results. The Frequency measurement is computed for the phase
selected with FREQSELn bits in the CECONFIG register.
IxSQSUM_X and VxSQSUM are the squared current and voltage samples acquired during the last accumulation
interval. They can be used to calculate RMS voltages and currents. INSQSUM_X can be used for computing
the neutral current.
Table 62: CE Energy Measurement Variables
CE
Address
Name
Description
0x82
FREQ_X
Fundamental frequency.
LSB
6
32
10
587
.
0
2
≈
≡ S
F
Hz
0x8F
I0SQSUM_X
The sum of squared current samples from each element.
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| 71M6531F-IMR/F | 1-CHANNEL POWER SUPPLY MANAGEMENT CKT, QCC68 |
| 71M6531F-IM/F | 1-CHANNEL POWER SUPPLY MANAGEMENT CKT, QCC68 |
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| 71M6531D-IMR/F | 功能描述:計(jì)量片上系統(tǒng) - SoC Residential Energy Meter IC RoHS:否 制造商:Maxim Integrated 核心:80515 MPU 處理器系列:71M6511 類型:Metering SoC 最大時(shí)鐘頻率:70 Hz 程序存儲(chǔ)器大小:64 KB 數(shù)據(jù) RAM 大小:7 KB 接口類型:UART 可編程輸入/輸出端數(shù)量:12 片上 ADC: 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:LQFP-64 封裝:Reel |
| 71M6531D-IMR/F1 | 功能描述:計(jì)量片上系統(tǒng) - SoC RoHS:否 制造商:Maxim Integrated 核心:80515 MPU 處理器系列:71M6511 類型:Metering SoC 最大時(shí)鐘頻率:70 Hz 程序存儲(chǔ)器大小:64 KB 數(shù)據(jù) RAM 大小:7 KB 接口類型:UART 可編程輸入/輸出端數(shù)量:12 片上 ADC: 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:LQFP-64 封裝:Reel |
| 71M6531D-IMR/F2 | 功能描述:計(jì)量片上系統(tǒng) - SoC Residential Energy Meter IC RoHS:否 制造商:Maxim Integrated 核心:80515 MPU 處理器系列:71M6511 類型:Metering SoC 最大時(shí)鐘頻率:70 Hz 程序存儲(chǔ)器大小:64 KB 數(shù)據(jù) RAM 大小:7 KB 接口類型:UART 可編程輸入/輸出端數(shù)量:12 片上 ADC: 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:LQFP-64 封裝:Reel |
| 71M6531F | 制造商:TERIDIAN 制造商全稱:TERIDIAN 功能描述:Energy Meter IC |
| 71M6531F-DB | 功能描述:開發(fā)板和工具包 - 8051 71M6531F Demo Brd RoHS:否 制造商:Silicon Labs 產(chǎn)品:Development Kits 工具用于評(píng)估:C8051F960, Si7005 核心: 接口類型:USB 工作電源電壓: |
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