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參數(shù)資料
型號： 71M6521FE-IGT/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, QFP64
封裝： LEAD FREE, LQFP-64
文件頁數(shù)： 51/103頁
文件大小： 1691K
代理商： 71M6521FE-IGT/F
71M6521DE/71M6521FE
Energy Meter IC
DATA SHEET
OCTOBER 2010
v1.1
2005-2010 Teridian Semiconductor Corporation
Page: 51 of 103
A Maxim Integrated Products Brand
19-5370; 10/10
Circuit Function
System Power
Battery Power (Non-volatile Supply)
MISSION
BROWNOUT
LCD
SLEEP
CE
Yes
--
CE Data RAM
Yes
--
FIR
Yes
--
Analog circuits:
PLL, ADC, VREF, BME etc
Yes
--
MPU clock rate
4.92MHz
(from PLL)
28.672kHz
(7/8 of 32768Hz)
--
MPU_DIV
Yes
--
ICE
Yes
--
DIO Pins
Yes
--
Watchdog Timer
Yes
--
LCD
Yes
--
EEPROM Interface (2-wire)
Yes
Yes (8kb/s)
--
EEPROM Interface (3-wire)
Yes
Yes (16kb/s)
--
UART
Yes
--
Optical TX modulation
Yes
--
Flash Read
Yes
--
Flash Page Erase
Yes
--
Flash Write
Yes
--
RAM Read and Write
Yes
--
Wakeup Timer
Yes
Oscillator and RTC
Yes
DRAM data preservation
Yes
--
V3P3D voltage output pin
Yes
--
Table 60: Available Circuit Functions (“—“ means “not active)
BROWNOUT Mode
In BROWNOUT mode, most non-metering digital functions, as shown in Table 60, are active, including ICE, UART, EEPROM,
LCD, and RTC. In BROWNOUT mode, a low bias current regulator will provide 2.5 Volts to V2P5 and V2P5NV. The regulator
has an output called BAT_OK to indicate that it has sufficient overhead. When BAT_OK = 0, the part will enter SLEEP mode.
From BROWNOUT mode, the MPU can voluntarily enter LCD or SLEEP modes. When system power is restored, the part will
automatically transition from any of the battery modes to mission mode, once the PLL has settled.
The MPU will run at crystal clock rate in BROWNOUT. The value of MPU_DIV will be remembered (not changed) as the part
enters and exits BROWNOUT. MPU_DIV will be ignored during BROWNOUT.
While PLL_OK = 0, the I/O RAM bits ADC_E and CE_E are held in zero state disabling both ADC and CE. When PLL_OK falls,
the CE program counter is cleared immediately and all FIR processing halts. Figure 19 shows the functional blocks active in
BROWNOUT mode.
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
71M6521FE-IGTR 制造商:Maxim Integrated Products 功能描述:Metering Systems on a Chip - SoC Residential Energy Meter IC
71M6521FE-IGTR/F 功能描述:計(jì)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(shí)鐘頻率:70 Hz 程序存儲(chǔ)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
71M6521FE-IGTR/F1 功能描述:計(jì)量片上系統(tǒng) - SoC RoHS:否 制造商:Maxim Integrated 核心:80515 MPU 處理器系列:71M6511 類型:Metering SoC 最大時(shí)鐘頻率:70 Hz 程序存儲(chǔ)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
71M6521FE-IM 制造商:Maxim Integrated Products 功能描述:Metering Systems on a Chip - SoC Residential Energy Meter IC
71M6521FE-IM/F 功能描述:計(jì)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(shí)鐘頻率:70 Hz 程序存儲(chǔ)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
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