78M6612-IMR/F/PD2 Maxim Integrated Products, 78M6612-IMR/F/PD2 Datasheet - Page 54
78M6612-IMR/F/PD2
Manufacturer Part Number
78M6612-IMR/F/PD2
Description
Current & Power Monitors & Regulators 2 Out Sgl Phase Pwr & Energy Msrmt IC
Manufacturer
Maxim Integrated Products
Datasheet
1.78M6612-IMF.pdf
(111 pages)
Specifications of 78M6612-IMR/F/PD2
Lead Free Status / Rohs Status
Lead free / RoHS Compliant
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78M6612 Data Sheet
2.3.1 BROWNOUT Mode
In BROWNOUT mode, most non-measurement digital functions, as shown in Table 44, 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.
54
“—“ means “not active.
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
Oscillator and RTC
DRAM data preservation
V3P3D voltage output pin
Circuit Function
Table 44: Available Circuit Functions
System Power
(from PLL)
MISSION
4.92 MHz
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Battery Power (Non-volatile Supply)
BROWNOUT
(7/8 of 32768
Yes (16kb/s)
Yes (8kb/s)
28.672 kHz
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Hz)
–
–
–
–
–
–
LCD
Yes
Yes
Yes
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
SLEEP
DS_6612_001
Yes
Yes
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
Rev. 1.2
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