mb90f377pff-g Fujitsu Microelectronics, Inc., mb90f377pff-g Datasheet - Page 70

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mb90f377pff-g

Manufacturer Part Number
mb90f377pff-g
Description
16-bit Proprietary Microcontroller
Manufacturer
Fujitsu Microelectronics, Inc.
Datasheet
70
MB90370/375 Series
11. Comparator
This comparator circuit monitors voltage of up to three batteries and automatically controls electric discharge.
Either parallel discharge or sequential discharge can be selected.
• Parallel discharge control
• If power is being supplied from the AC adapter, the permission/prohibition of discharge for batteries is controlled
• Sequential discharge control
• If power is being supplied from the AC adapter, the permission/prohibition of discharge for batteries is controlled
• Up to three batteries can be controlled, and the order of discharge can be selected.
• The affect of intermittent interruption of power is automatically filtered.
• Mount/dismount of batteries is automatically detected and discharge is controlled.
• Battery voltage is monitored, and if battery voltage is below the specified voltage, a change over to the next
In parallel discharge control, all batteries are allowed to discharge when power is not being supplied from the
AC adapter.
by software.
In sequential discharge control, the comparator controls discharge in a specified order, while monitoring
intermittent interruption of power, voltage level, and mount/dismount of batteries, when power is not being
supplied from the AC adapter.
by software.
battery is automatically done.

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