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參數(shù)資料
型號(hào)： 71M6521DE-IM/F
廠商： MAXIM INTEGRATED PRODUCTS INC
元件分類： 模擬信號(hào)調(diào)理
英文描述： SPECIALTY ANALOG CIRCUIT, QCC68
封裝： LEAD FREE, LQFN-68
文件頁(yè)數(shù)： 85/103頁(yè)
文件大?。?/td> 1691K
代理商： 71M6521DE-IM/F
71M6521DE/71M6521FE
Energy Meter IC
DATA SHEET
OCTOBER 2010
Page: 82 of 103
2005-2010 Teridian Semiconductor Corporation
v1.1
A Maxim Integrated Products Brand
19-5370; 10/10
The significance of the bits in CESTATUS is shown in the table below:
CESTATUS
[bit]
Name
Description
31-29
Not Used
These unused bits will always be zero.
28
F0
F0 is a square wave at the exact fundamental input frequency.
27
RESERVED
26
SAG_B
Normally zero. Becomes one when VB remains below SAG_THR for SAG_CNT samples.
Will not return to zero until VB rises above SAG_THR.
25
SAG_A
Normally zero. Becomes one when VA remains below SAG_THR for SAG_CNT samples.
Will not return to zero until VA rises above SAG_THR.
24-0
Not Used
These unused bits will always be zero.
The CE is initialized by the MPU using CECONFIG (CESTATE.). This register contains in packed form SAG_CNT, FREQSEL,
EXT_PULSE, I0_SHUNT, I1_SHUNT, PULSE_SLOW, and PULSE_FAST.
CE
Address
Name
Default
Description
0x10
CECONFIG
0x5020
See description of CECONFIG below
The significance of the bits in CECONFIG is shown in the table below:
IA_SHUNT and/or IB_SHUNT can configure their respective current inputs to accept shunt resistor sensors. In this case the CE
provides an additional gain of 8 to the selected current input. WRATE may need to be adjusted based on the values of
IA_SHUNT and IB_SHUNT. Whenever IA_SHUNT or IB_SHUNT are set to 1, In_8 (in the equation for Kh) is assigned a value of
8.
The CE pulse generator can be controlled by either the MPU (external) or CE (internal) variables. Control is by the MPU if
EXT_PULSE = 1. In this case, the MPU controls the pulse rate by placing values into APULSEW and APULSER. By setting
EXT_PULSE = 0, the CE controls the pulse rate based on W0SUM_X + W1SUM_X (and VAR0SUM_X + VAR1SUM_X).
If EXT_PULSE is 1, and if EQU = 2, the pulse inputs are W0SUM_X+W1SUM_X and VAR0SUM_X+VAR1SUM_X . In this case,
creep cannot be controlled since creep is an MPU function. If EXT_PULSE = 1 and EQU = 0, the pulse inputs are W0SUM_X if
I0SQSUM_X > I1SQSUM_X, and W1SUM_X, if I1SQSUM_X > I0SQSUM_X.
Note: The 6521 Demo Code creep function halts both internal and external pulse generation.
相關(guān)PDF資料
PDF描述
71M6521FE-IMR/F SPECIALTY ANALOG CIRCUIT, QCC68
71M6521DE-IGT/F SPECIALTY ANALOG CIRCUIT, QFP64
71M6521FE-IGTR/F SPECIALTY ANALOG CIRCUIT, QFP64
71M6521DE-IMR/F SPECIALTY ANALOG CIRCUIT, QCC68
71M6521FE-IM/F SPECIALTY ANALOG CIRCUIT, QCC68
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
71M6521DE-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
71M6521DH 制造商:MAXIM 制造商全稱:Maxim Integrated Products 功能描述:Energy Meter ICs
71M6521DH-IGT/F 制造商:MAXIM 制造商全稱:Maxim Integrated Products 功能描述:Energy Meter ICs
71M6521DH-IGTR/F 制造商:MAXIM 制造商全稱:Maxim Integrated Products 功能描述:Energy Meter ICs
71M6521FE 制造商:TERIDIAN 制造商全稱:TERIDIAN 功能描述:Energy Meter IC
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