FEATURES

128 kbytes of user NV RAM

Integrated NV SRAM, real-time clock, crystal, power-fail control circuit and lithium energy source

Totally nonvolatile with over 10 years of operation in the absence of power

Watchdog timer restarts an out-of-control processor

Alarm function schedules real-time related activities such as system wakeup

Programmable interrupts and square wave output

All registers are individually addressable via the address and data bus

Interrupt signals active in power-down mode