參數(shù)資料
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
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參數(shù)描述
71M6543G-IGTR/F 功能描述:計量片上系統(tǒng) - 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(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
71M6543GT-IGT/F 制造商:Maxim Integrated Products 功能描述:3-PHASE, 128KK, PRES TEMP SENSOR - Bulk
71M6543GT-IGTR/F 制造商:Maxim Integrated Products 功能描述:3-PHASE, 128KK, PRES TEMP SENSOR - Tape and Reel
71M6543H 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
71M6543H-IGT/F 功能描述:IC ENERGY METER 100-LQFP 制造商:maxim integrated 系列:Single Converter Technology? 包裝:托盤 零件狀態(tài):停產(chǎn) 輸入阻抗:- 測量誤差:0.1% 電壓 - I/O 高:2V 電壓 - I/O 低:0.8V 電流 - 電源:- 電壓 - 電源:3 V ~ 3.6 V 表計類型:3 相 工作溫度:-40°C ~ 85°C 安裝類型:表面貼裝 封裝/外殼:100-LQFP 供應(yīng)商器件封裝:100-LQFP（14x14） 標(biāo)準(zhǔn)包裝:90
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