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參數(shù)資料
型號： 71M6521DE-IM/F
廠商： MAXIM INTEGRATED PRODUCTS INC
元件分類： 模擬信號調(diào)理
英文描述： SPECIALTY ANALOG CIRCUIT, QCC68
封裝： LEAD FREE, LQFN-68
文件頁數(shù)： 65/103頁
文件大小： 1691K
代理商： 71M6521DE-IM/F
71M6521DE/71M6521FE
Energy Meter IC
DATA SHEET
OCTOBER 2010
Page: 64 of 103
2005-2010 Teridian Semiconductor Corporation
v1.1
A Maxim Integrated Products Brand
19-5370; 10/10
Connecting LCDs
The 71M6521DE/FE has a LCD controller on-chip capable of controlling static or multiplexed LCDs. Figure 32 shows the basic
connection for a LCD.
segments
6521
LCD
commons
Figure 32: Connecting LCDs
The LCD segment pins can be organized in the following groups:
1.
Nineteen pins are dedicated LCD segment pins (SEG0 to SEG18).
2.
Four pins are dual-function pins CKTEST/SEG19, E_RXTX/SEG38, E_TCLK/SEG33, and E_RST/SEG32.
3.
Twelve pins are available as combined DIO and segment pins SEG24/DIO4 to SEG31/DIO11 and SEG34/DIO14 to
SEG37/DIO17)
4.
The QFN-68 package adds the three combination pins SEG39/DIO19 to SEG41/DIO21.
The split between DIO and LCD use of the combined pins is controlled with the DIO register LCD_NUM. LCD_NUM can be
assigned any number between 0 and 18. The first dual-purpose pin to be allocated as LCD is SEG41/DIO21 (on the 68-pin
QFN package). Thus if LCD_NUM=2, SEG41 and SEG 40 will be configured as LCD. The remaining SEG39 to SEG24 will be
configured as DIO19 to DIO4. DIO1 and DIO2 are always available, if not used for the optical port.
Note that pins CKTEST/SEG19, E_RXTX/SEG38, E_TCLK/SEG33, and E_RST/SEG32 are not affected by LCD_NUM.
Table 62 and Table 63 show the allocation of DIO and segment pins as a function of LCD_NUM for both package types.
相關PDF資料
PDF描述
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(shù)
參數(shù)描述
71M6521DE-IMR/F 功能描述:計量片上系統(tǒng) - 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(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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