STEVAL-ILL029V2 STMicroelectronics, STEVAL-ILL029V2 Datasheet - Page 43

• 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

STMPE16M31, STMPE24M31
PWM_n_RAMP_RATE
Address:
Type:
Reset:
Description:
INV
RW
7
0
[5:3] RampDown
[2:0] RampUp
[7] INV
[6] Reserved
Reserved
RW
6
0
LED driving/sinking mode
Write ‘1’ for LED sinking mode (HIGH = LED Off, LOW = LED On)
Write ‘0’ for LED driving mode (HIGH = LED On, LOW = LED Off
Set the PWM ramp down rate
‘000’ : 1/4 of time unit per brightness level change
‘001’ : 1/8 of time unit per brightness level change
‘010’ : 1/16 of time unit per brightness level change
‘011’ : 1/32 of time unit per brightness level change
‘100’ : 1/64 of time unit per brightness level change
’101’ : 1/128 of time unit per brightness level change
‘110’ : reserved
‘111’ : reserved
Set the PWM ramp up rate
‘000’ : 1/4 of time unit per brightness level change
‘001’ : 1/8 of time unit per brightness level change
‘010’ : 1/16 of time unit per brightness level change
‘011’ : 1/32 of time unit per brightness level change
‘100’ : 1/64 of time unit per brightness level change
’101’ : 1/128 of time unit per brightness level change
‘110’ : reserved
‘111’ : reserved
0x42, 0x46, 0x4A, 0x4E, 0x52, 0x56, 0x5A, 0x5E
RW
0x00
Setting of ramp rate
RW
5
0
RampDown
Doc ID 16174 Rev 3
RW
4
0
RW
3
0
RW
PWM-N ramp rate register
2
0
RampUp
RW
1
0
PWM controller
RW
0
0
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