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參數資料
| 型號： | 71M6521DE-IM/F |
| 廠商： | MAXIM INTEGRATED PRODUCTS INC |
| 元件分類： | 模擬信號調理 |
| 英文描述： | SPECIALTY ANALOG CIRCUIT, QCC68 |
| 封裝： | LEAD FREE, LQFN-68 |
| 文件頁數： | 68/103頁 |
| 文件大小： | 1691K |
| 代理商： | 71M6521DE-IM/F |
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71M6521DE/71M6521FE
Energy Meter IC
DATA SHEET
OCTOBER 2010
v1.1
2005-2010 Teridian Semiconductor Corporation
Page: 67 of 103
A Maxim Integrated Products Brand
19-5370; 10/10
Connecting Three-Wire EEPROMs
Wire EEPROMs and other compatible devices should be connected to the DIO pins DIO4 and DIO5, as shown in Figure 34.
DIO5 connects to both the DI and DO pins of the three-wire device. The CS pin must be connected to a vacant DIO pin of the
71M6521DE/FE. A pull-up resistor of roughly 10k
to V3P3D (to ensure operation in BROWNOUT mode) should be used for
the DI/DO signals, and the CS pin should be pulled down with a resistor to prevent that the three-wire device is selected on
power-up, before the 71M6521DE/FE can establish a stable signal for CS. The DIO_EEX register in I/O RAM must be set to 10
in order to convert the DIO pins DIO4 and DIO5 to uWire pins. The pull-up resistor for DIO5 may not be necessary.
DIO4
DIO5
71M6521
EEPROM
SCLK
DI
V3P3D
10k
Ω
CS
DIOn
DO
10k
Ω
DIO4
DIO5
71M6521
EEPROM
SCLK
DI
V3P3D
10k
Ω
CS
DIOn
DO
10k
Ω
Figure 34: Three-Wire EEPROM Connection
UART0 (TX/RX)
The RX pin should be pulled down by a 10k
resistor and additionally protected by a 100pF ceramic capacitor, as shown in
TX
RX
71M6521E
10k
Ω
100pF
RX
TX
RX
71M6521E
10k
Ω
100pF
RX
TX
Figure 35: Connections for the RX Pin
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| 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 |
相關代理商/技術參數 |
參數描述 |
|---|---|
| 71M6521DE-IMR/F | 功能描述:計量片上系統 - 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 |
| 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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