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參數資料
型號: 71M6543F-IGT/F
廠商: MAXIM INTEGRATED PRODUCTS INC
元件分類: 模擬信號調理
英文描述: SPECIALTY ANALOG CIRCUIT, PQFP100
封裝: LEAD FREE, LQFP-100
文件頁數: 80/157頁
文件大小: 2178K
代理商: 71M6543F-IGT/F
71M6543F/H and 71M6543G/GH Data Sheet
v1.2
2008–2011 Teridian Semiconductor Corporation
29
Figure 10: Samples from Multiplexer Cycle (Frame)
The end of each multiplexer cycle is signaled to the MPU by the CE_BUSY interrupt. At the end of each
multiplexer cycle, status information, such as sag data and the digitized input signal, is available to the MPU.
Figure 11: Accumulation Interval
Figure 11 shows the accumulation interval resulting from SUM_SAMPS[12:0] = 1819 (I/O RAM 0x2107[4:0]
and 0x2108[7:0]), consisting of 1819 samples of 457.8 s each, followed by the XFER_BUSY interrupt.
The sampling in this example is applied to a 50 Hz signal. There is no correlation between the line signal
frequency and the choice of SUM_SAMPS[12:0]. Furthermore, sampling does not have to start when the
line voltage crosses the zero line, and the length of the accumulation interval need not be an integer
multiple of the signal cycles.
MUX
STATE
CK32
(32768 Hz)
0
3
1
2
MUX_DIV = 7 Conversions
Settle
Multiplexer Frame (15 x 30.518 s = 457.8 s)
S
IA
VA
IB
30.5 s
61.04 s
VB
61.04 s
IC
VC
4
5
6
61.04 s
ID
XFER_BUSY
Interrupt to MPU
20ms
833ms
相關PDF資料
PDF描述
71M6543H-IGTR/F SPECIALTY ANALOG CIRCUIT, PQFP100
71M6543F-IGTR/F SPECIALTY ANALOG CIRCUIT, PQFP100
71M6543H-IGT/F SPECIALTY ANALOG CIRCUIT, PQFP100
71M6543G-IGTR/F SPECIALTY ANALOG CIRCUIT, PQFP100
71M6543GH-IGTR/F SPECIALTY ANALOG CIRCUIT, PQFP100
相關代理商/技術參數
參數描述
71M6543F-IGTR/F 功能描述:計量片上系統 - SoC Precision 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
71M6543FT-IGT/F 制造商:Maxim Integrated Products 功能描述:ENERGY METER ICS - Rail/Tube
71M6543FT-IGTR/F 制造商:Maxim Integrated Products 功能描述:3-PHASE SOC, 64KB FLASH, PRES TEMP SENSOR - Tape and Reel
71M6543G 制造商:MAXIM 制造商全稱:Maxim Integrated Products 功能描述:Selectable Gain of 1 or 8 for One Current Energy Meter ICs Metrology Compensation
71M6543GH 制造商:未知廠家 制造商全稱:未知廠家 功能描述:電表IC
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