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參數資料
型號: 71M6543G-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: 79/157頁
文件大小: 2178K
代理商: 71M6543G-IGT/F
71M6543F/H and 71M6543G/GH Data Sheet
28
2008–2011 Teridian Semiconductor Corporation
v1.2
The WPULSE and VPULSE pulse generator outputs are available on pins SEGDIO0/WPULSE and
SEGDIO1/VPULSE, respectively (pins 45 and 44). The pulses can also be output on OPT_TX pin 53
(see OPT_TXE[1:0], I/O RAM 0x2456[3:2] for details).
Figure 9. Pulse Generator FIFO Timing
2.3.7
CE Functional Overview
The ADC processes one sample per channel per multiplexer cycle. Figure 10 shows the timing of the
samples taken during one multiplexer cycle with MUX_DIV[3:0] = 7 (I/O RAM 0x2100[7:4]).
The number of samples processed during one accumulation cycle is controlled by the I/O RAM register
SUM_SAMPS[12:0] (0x2107[4:0] and 0x2108[7:0]). The integration time for each energy output is:
SUM_SAMPS[12:0] / 2184.53, where 2184.53 is the sample rate in Hz
For example, SUM_SAMPS[12:0] = 2184 establishes 2184 multiplexer cycles per accumulation cycle or
2184/2184.53 = 0.9998 seconds. After an accumulation cycle is completed, the XFER_BUSY interrupt
signals to the MPU that accumulated data are available. The slight difference between the nominal length
of the accumulation interval (1000 ms) and the actual length of 999.8 ms (0.025%) is accounted for in the
CE code and is of no practical consequence.
CK32
MUX_DIV Conversions (MUX_DIV=4 is shown)
Settle
ADC MUX Frame
MUX_SYNC
150
WPULSE
S
0
S
1
S
2
S
3
S
4
S
5
CE CODE
RST
W_FIFO
S
0
S
1
S
2
S
3
S
4
S
5
S
0
S
1
S
2
S
3
S
4
S
5
4*PLS_INTERVAL
2. If WPULSE is low longer than (2*PLS_MAXWIDTH+1) updates, WPULSE will be raised until the next
low-going pulse begins.
3. Only the WPULSE circuit is shown. The VARPULSE circuit behaves identically.
4. All dimensions are in CK_FIR cycles (4.92MHz).
5. If PLS_INTERVAL=0, FIFO does not perform delay.
4*PLS_INTERVAL
1. This example shows how the FIFO distributes 6 pulse generator updates over one MUX frame.
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相關代理商/技術參數
參數描述
71M6543G-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
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:停產 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 供應商器件封裝:100-LQFP(14x14) 標準包裝:90
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