STMPE24M31QTR STMicroelectronics, STMPE24M31QTR Datasheet - Page 42

• Manufacturer Part Number: STMPE24M31QTR
• Description: IC SENSOR S-TOUCH 24CH 40QFN
• Manufacturer: STMicroelectronics
• Series: S-Touch™r
• Type: Capacitiver

Specifications of STMPE24M31QTR

• Number Of Inputs/keys: 24 Key
• Data Interface: I²C
• Data Rate/sampling Rate (sps, Bps): 100k, 400k
• Voltage Reference: External
• Voltage - Supply: 1.65 V ~ 1.95 V
• Current - Supply: 900µA
• Operating Temperature: -40°C ~ 85°C
• Mounting Type: Surface Mount
• Package / Case: 40-VQFN
• Output Type: Logic
• Interface: I²C
• Input Type: Logic
• Supply Voltage: 1.8 V
• Number Of Channels: 24
• Dimensions: 5 mm L x 5 mm W x 0.85 mm H
• Temperature Range: - 40 C to + 85 C
• Termination Style: SMD/SMT
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Other names: 497-10380-2

PWM controller
PWM_n_RAMP_RATE
Address:
Type:
Reset:
Description:
42/83
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 2
RW
4
0
RW
3
0
RW
PWM-N ramp rate register
2
0
STMPE16M31, STMPE24M31
RampUp
RW
1
0
RW
0
0