STMPE821QTR STMicroelectronics, STMPE821QTR Datasheet - Page 38

• Manufacturer Part Number: STMPE821QTR
• Description: IC CTLR TOUCH KEY 8CH CAP 16-QFN
• Manufacturer: STMicroelectronics
• Type: Capacitiver

Specifications of STMPE821QTR

• Number Of Inputs/keys: 8 Key
• Data Interface: I²C
• Voltage - Supply: 1.65 V ~ 1.95 V
• Operating Temperature: -40°C ~ 85°C
• Mounting Type: Surface Mount
• Package / Case: 16-QFN
• Voltage Supply Source: Single Supply
• Resolution: 7 bit to 10 bit
• Interface Type: I2C
• Supply Voltage (max): 3.6 V
• Supply Voltage (min): 2.7 V
• Maximum Operating Temperature: + 85 C
• Minimum Operating Temperature: - 40 C
• Mounting Style: SMD/SMT
• Number Of Channels: 8
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Sampling Rate (per Second): -
• Resolution (bits): -
• Lead Free Status / Rohs Status: Lead free / RoHS Compliant
• Other names: 497-8826-2

Basic PWM controller
PWM_OFF_OUTPUT
Address:
Type:
Reset:
Description:
RAMP_RATE
Address:
Type:
Reset:
Description:
38/50
7
7
RESERVED
[7:4] RESERVED
[3:0] OUT3:0:
[7:6] RESERVED
[5:3] RAMP_DOWN [2:0]:
[2:0] RAMP_UP [2:0]:
6
6
0xA0
R/W
0x00
PWM group control register.
Default is '0'
'1' - PWM channel outputs '1' when disabled
'0' - PWM channel outputs '0' when disabled
0xB2
R/W
0x00
Ramp rate register.
'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
'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
5
5
RAMP_DOWN
Doc ID 14478 Rev 5
4
4
OUT3
3
3
PWM group control register
OUT2
2
2
Ramp rate register
RAMP_UP
OUT1
1
1
STMPE821
OUT0
0
0