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參數資料
| 型號： | 71M6511-IGTR |
| 廠商： | MAXIM INTEGRATED PRODUCTS INC |
| 元件分類： | 電源管理 |
| 英文描述： | 1-CHANNEL POWER SUPPLY MANAGEMENT CKT, PQFP64 |
| 封裝： | LQFP-64 |
| 文件頁數： | 4/98頁 |
| 文件大小： | 1278K |
| 代理商： | 71M6511-IGTR |
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71M6511/71M6511H
Single-Phase Energy Meter IC
DATA SHEET
NOVEMBER 2010
Page: 12 of 98
2005–2010 Teridian Semiconductor Corporation
V2.7
A Maxim Integrated Products Brand
Address (hex)
Name
Description
0x00
IA
Phase A current
0x01
VA
Phase A voltage
0x02
IB
Phase B current
0x03
-
Reserved
0x04
-
Reserved
0x05
-
Reserved
0x06
TEMP
Temperature
0x07
--
Reserved
Table 3: CE DRAM Locations for ADC Results
Meter Equations
The Compute Engine (CE) program for residential meter configurations implements the equations in Table 4. The I/O RAM
register EQU specifies the equation to be used based on the number and arrangement of phases used for metering. In case of
single-phase metering, the unconnected input should be tied to V3P3A, the analog supply voltage. The EQU selection enables
the 71M6511 to calculate single-phase power measurement based on the type of service used. Table 4 also states the
sequence of the multiplexer in the AFE.
EQU
Formula
Channels used from MUX
Sequence
States 0
→ 3
Channels used from alternative
MUX Sequence
States 0
→ 3
0
1
2
3
0
1
2
3
000
VA IA
(1 element, 2W 1
φ)
IA
VA
IB
-
TEMP
VA
-
001
VA(IA-IB)/2
(1 element, 3W 1
φ)
IA
VA
IB
-
TEMP
VA
IB
-
Table 4: Standard Meter Equations (inputs shown gray are scanned but not used for calculation)
Pulse Generator
The CE contains two pulse generators which create low jitter pulses at a rate set by the CE DRAM registers APULSEW*WRATE
and APULSER*WRATE if EXT_PULSE (a CE input variable in CE DRAM) is 15. This mode puts the MPU in control of pulse
generation by placing values into the APULSEW and APULSER registers (“external pulse generation”).
If EXT_PULSE is 0, APULSEW is replaced with WSUM_X and APULSER is replaced with VARSUM_X. In this mode, the CE
generates pulse based on its internal computation of WSUM_X and VARSUM_X, the signed sums of energy from all three
elements (“internal pulse generation”).
The DIO_PV and DIO_PW bits as described in the Digital I/O section can be programmed to route WPULSE and VARPULSE
to the output pins DIO6 and DIO7 respectively. DIO6 and DIO7 can be configured to generate interrupts (useful for pulse
counting by the MPU – see On-Chip Resources (DIO Section).
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相關代理商/技術參數 |
參數描述 |
|---|---|
| 71M6511-IGTR/F | 功能描述:計量片上系統 - SoC Highly Integrated SoC w/MCU Core RoHS:否 制造商:Maxim Integrated 核心:80515 MPU 處理器系列:71M6511 類型:Metering SoC 最大時鐘頻率:70 Hz 程序存儲器大小:64 KB 數據 RAM 大小:7 KB 接口類型:UART 可編程輸入/輸出端數量:12 片上 ADC: 安裝風格:SMD/SMT 封裝 / 箱體:LQFP-64 封裝:Reel |
| 71M6511-IGTR/F1 | 功能描述:計量片上系統 - SoC RoHS:否 制造商:Maxim Integrated 核心:80515 MPU 處理器系列:71M6511 類型:Metering SoC 最大時鐘頻率:70 Hz 程序存儲器大小:64 KB 數據 RAM 大小:7 KB 接口類型:UART 可編程輸入/輸出端數量:12 片上 ADC: 安裝風格:SMD/SMT 封裝 / 箱體:LQFP-64 封裝:Reel |
| 71M6512-DB | 制造商:Maxim Integrated Products 功能描述:Development Boards & Kits - 8051 71M6512 Demo Brd |
| 71M6512-IM/F | 制造商:Maxim Integrated Products 功能描述:Metering Systems on a Chip - SoC Residential Meter Extended Io |
| 71M6512-IMR/F | 制造商:Maxim Integrated Products 功能描述:Metering Systems on a Chip - SoC Residential Meter Extended Io |
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