STMPE821QTR STMicroelectronics, STMPE821QTR Datasheet - Page 37

• 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

STMPE821
9.1
MASTER_EN
Address:
Type:
Reset:
Description:
AF3
7
PWM function register map
Table 11.
PWM_OFF_OUTPUT
MASTER_EN
PWM0_SET
PWM0_CTRL
PWM0_RAMP_RATE
PWM1_SET
PWM1_CTRL
RAMP1_RATE
PWM2_SET
PWM2_CTRL
RAMP2_RATE
PWM3_SET
PWM3_CTRL
PWM3_RATE
[7:4] AF3:0
[3:0] OUT3:0:
AF2
6
0xA1
R/W
0x00
Write ‘1’ to select PWM function on the corresponding channel.
Default is '0'.
Write ‘1’ to used the corresponding PWM channel must be diabled for the controlling registers
to be accessed.
Register name
PWM function register map summary table
AF2
5
Doc ID 14478 Rev 5
Set the output level when PWM
is disabled
Enables/disables individual
basic PWM channels
PWM 0 setup
PWM 0 control
PWM 0 ramp rate
PWM 1 setup
PWM 1 control
PWM 1 ramp rate
PWM 2 setup
PWM 2 control
PWM 2 ramp rate
PWM 3 setup
PWM 3 control
PWM 3 ramp rate
AF0
4
Description
EN3
3
EN2
2
(during sequential R/W)
Basic PWM controller
Auto-increment
EN1
1
Master enabler
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
EN0
0
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