The S08LL is ideal for implementing an ultra-low-power strategy without compromising performance requirements. The LL supports 112 segments using 4 backplanes and 192 segments using 8 backplanes. One of the biggest benefits of the LL is its ultra-low power features. The LL device operates in run, wait, and stop modes with 6-7µs typical wake up time from stop mode. There are a total of six operating modes where the CPU clocks are running at a reduced speed of 125kHz and the voltage regulator is put into a standby or loose regulation state. These low power modes enable full operation of the microcontroller even at the reduced frequency to enhance power efficiency. However, power consumption is reduced the most when the clocks to the unused peripherals are disabled. Clock gating, another low power feature, is the ability to turn clocks off to unused peripherals in the system. This greatly reduces the overall current in run and wait mode because unnecessary clocks are not running in the system. Clock gating is the mechanism used to disable the clock tree to any unused peripheral and is a great way to ensure the most efficient use of power in a system by using only the clocks required. By using the system clock gating registers, Run IDD can be reduced up to 33%. Another way NXP implements ultra-low power is the use of an internal regulator and oscillator. The internal regulator provides a regulated lower-voltage source to the CPU and other internal circuitry of the microcontroller, thereby reducing the overall power consumption in the system. The ultra-low power crystal oscillator is designed to consume less than 1µA of current. Additionally, both the internal regulator and oscillator enable fast start up from stop modes - typically between 6 and 7 microseconds. An internal clock source provides clock source options for the microcontroller and eliminates the need for an external clock source which can reduce system cost and power consumption. The internal clock source provides signals to control the low power oscillator to support lower frequency operations for ultra-low power applications. The last implementation of ultra-low power is the ultra-low power real time counter. The real time counter is an 8-bit modulus counter that has a binary or decimal based pre-scaler and can be used with an internal or external clock source in conjunction with the ultra-low power oscillator to ensure power efficient operation. This counter can be used in all run, wait, and stop modes including the ultra-low power run and wait modes.