The LP5814I has 4 independent configurable pattern units, PATTERN0, PATTERN1, PATTERN2 and PATTERN3. Every pattern unit has 5 PWM values, 6 time values and 1 play times value.

For PATTERNx (x = 0, 1, 2, 3),

• The 5 PWM values are stored in PATTERNx_PWM0, PATTERNx_PWM1, PATTERNx_PWM2, PATTERNx_PWM3 and PATTERNx_PWM4. The 8 bits PWM value can be programmed from 0 to 255. Exponential dimming curve can also be supported in the sloper time.
• The 6 time values are devided into 2 types, pause time and sloper time. There are 2 pause time, PATTERNx_PAUSE_T0 and PATTERNx_PAUSE_T1. 4 sloper time, PATTERNx_SLOPER_T0, PATTERNx_SLOPER_T1, PATTERNx_SLOPER_T2 and PATTERNx_SLOPER_T3. Evey time value can be configured from 0 to 8s with 16 options.
• The pattern play times value is stored in PATTERNx_PT and can be configued from 0 to infinite times with 16 options. When the PATTERNx_PT = 0, the 2 pause time, output PWM0 for PAUSE_T0 and output PWM4 for PAUSE_T1, are still executed to construct the pattern unit.

Typical breathing effect example is illustrated as shown in Figure 7-5.

Figure 7-5 Animation Pattern Unit - Example 1

Advanced breathing effect example is shown in Figure 7-6. There are 2 different fading speeds are set in the PWM rising and falling phases, to achieve a complex animation.

Figure 7-6 Animation Pattern Unit - Example 2