STEVAL-ILL029V2 STMicroelectronics, STEVAL-ILL029V2 Datasheet - Page 46

• Manufacturer Part Number: STEVAL-ILL029V2
• Description: BOARD & REF DESIGN
• Manufacturer: STMicroelectronics
• Series: -r

Specifications of STEVAL-ILL029V2

• Main Purpose: Touch Interface, LED Driver
• Embedded: Yes, MCU, 32-Bit
• Utilized Ic / Part: STLED325, STM8S, STMPE24M31
• Primary Attributes: 4 Digit 7-Segment LEDs, 8 Discrete LEDs, 8 Touch Pads, 8-Channel Touch Wheel
• Secondary Attributes: -
• Lead Free Status / Rohs Status: Lead free / RoHS Compliant

Basic PWM programming
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The registers need to be programmed for this sequence :
Figure 13. Fixed brightness output
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–
–
–
–
–
–
–
–
–
On Period = Period 0[1:0] * Time Unit [3:0]
Off Period = Period 1[1:0] * Time Unit [3:0]
Duty cycle during On Period = Brightness [7:4]
Number of cycles = Repetition [3:0]
Ramp-Mode is enabled
Ramp Up/Down Rate is programmable
On Period = Period 0[1:0] * Time Unit [3:0]
Off Period = Don’t Care
Duty Cycle during On Period = Brightness [7:4]
Number of cycles = Repetition [3:0] = 0 (infinite repetition)
Doc ID 16174 Rev 3
STMPE16M31, STMPE24M31