参数资料
型号: 71M6521BE-IGT/F
厂商: Maxim Integrated
文件页数: 51/97页
文件大小: 0K
描述: IC ENERGY METER 8K FLASH 64-LQFP
产品培训模块: Lead (SnPb) Finish for COTS
Obsolescence Mitigation Program
标准包装: 160
系列: Single Converter Technology®
测量误差: 0.4%
电源电压: 3 V ~ 3.6 V
测量仪表类型: 单相,双相
工作温度: -40°C ~ 85°C
安装类型: 表面贴装
封装/外壳: 64-LQFP
供应商设备封装: 64-LQFP(10x10)
包装: 托盘
71M6521BE
Energy Meter IC
DATA SHEET
JANUARY 2008
LCD Mode
In LCD mode, the data contained in the LCD_SEG registers is displayed, i.e. up to four LCD segments connected to each of the
pins SEG18 and SEG19 can be made to blink without the involvement of the MPU, which is disabled in LCD mode. The
V3P3D output pin is inactive in LCD mode.
This mode can be exited only by system power up, a timeout of the wake-up timer, or a push button. Figure 20 shows the
functional blocks active in LCD mode.
SLEEP Mode
In SLEEP mode, the battery current is minimized and only the Oscillator is active. The V3P3D output pin is inactive in LCD
mode. This mode can be exited only by system power-up, a timeout of the wake-up timer, or a push button event. Figure 21
shows the functional blocks active in SLEEP mode.
Circuit Function
System Power
MISSION
Battery Power (nonvolatile Supply)
BROWNOUT LCD SLEEP
CE
CE Data RAM
FIR
Analog circuits:
PLL, ADC, VREF, BME, etc.
MPU clock rate
MPU_DIV
ICE
DIO Pins
Watchdog Timer
LCD
EEPROM Interface (2-wire)
EEPROM Interface (3-wire)
UART
Optical TX modulation
Flash Read
Flash Page Erase
Flash Write
RAM Read and Write
Wakeup Timer
Crystal oscillator
DRAM data preservation
V3P3D voltage output
Yes
Yes
Yes
Yes
4.92MHz
(from PLL)
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
--
Yes
--
--
28.672kHz
(7/8 of 32768Hz)
Yes
Yes
Yes
Yes
Yes
Yes (8kb/s)
Yes (16kb/s)
Yes
--
Yes
Yes
--
Yes
Yes
Yes
Yes
Yes
--
--
--
--
--
--
--
--
--
Yes
--
--
--
--
--
--
--
--
Yes
Yes
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
Yes
Yes
--
--
Table 59: Available Circuit Functions (“—“ means “not active)
V1.0
? 2005-2008 TERIDIAN Semiconductor Corporation
Page: 51 of 97
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