W742E

The W742E is a high-performance 4-bit microcontroller(C) that provides an LCD driver. It operates on very low current and has two power reduction modes, that is the dual-clock slow operation and STOP mode, which help to minimize power dissipation.

Here are some features about W742E: (1)dual-clock operation or single-clock operation; (2)16-levels subroutine nesting; (3)powerful instruction set; (4)built-in 18/15-bit watchdog timer selectable for system reset,enable the watchdog timer or not is determined by code option; (5)power-down mode.

What comes next is about W742E absolute maximum ratings: (1)supply voltage to ground potential: -0.3 V to 7.0; (2)applied input/output voltage: -0.3 V to 7.0 V; (3)power dissipation: 120 mW; (4)ambient operating temperature: 0 to 70 ; (5)storage temperature: -55 to 150 . Then is about DC characteristics(Ta=25 , Fm=32.768 KHZ): (1)operating voltage: 2.4 V to 5.5 V; (2)operating current: 0.9 mA typ and 2.5 mA max; (3)hold current(hold mode): 450 A min; (4)input low voltage: VSS min and 0.3 VDD V max; (5)MFP output low voltage: 0.4 V max; (6)MFP output high voltage: 2.4 V min.