参数资料
型号: 71M6521FE-IM/F
厂商: MAXIM INTEGRATED PRODUCTS INC
元件分类: 模拟信号调理
英文描述: SPECIALTY ANALOG CIRCUIT, QCC68
封装: LEAD FREE, LQFN-68
文件页数: 52/103页
文件大小: 1691K
代理商: 71M6521FE-IM/F
71M6521DE/71M6521FE
Energy Meter IC
DATA SHEET
OCTOBER 2010
Page: 52 of 103
2005-2010 Teridian Semiconductor Corporation
v1.1
A Maxim Integrated Products Brand
19-5370; 10/10
V3P3SYS
rises
V3P3SYS
falls
MISSION
BROWNOUT
LCD
SLEEP or
V1 > VBIAS
V1 <= VBIAS
LCD_ONLY
RESET &
VBAT_OK
RESET
IE_PLLRISE
-> 1
IE_PLLFALL
-> 1
IE_PB -> 1
IE_WAKE ->
1
PB
timer
PB
RESET &
V3P3SYS
rises
V3P3SYS
rises
VBAT_OK
SLEEP
Figure 18: Operation Modes State Diagram
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.
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 and RTC functions are active. 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.
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PDF描述
71M6521FE-IGT/F SPECIALTY ANALOG CIRCUIT, QFP64
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参数描述
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