STMPE16M31PXQTR STMicroelectronics, STMPE16M31PXQTR Datasheet - Page 16

• Manufacturer Part Number: STMPE16M31PXQTR
• Description: IC CTLR TOUCHKEY 16CHAN 32-QFN
• Manufacturer: STMicroelectronics
• Series: S-Touch™r
• Type: Capacitive, PWM, Ratio Enginer

Specifications of STMPE16M31PXQTR

• Featured Product: STMPE16M31PX
• Number Of Inputs/keys: 16 Key, Slider
• Data Interface: I²C
• Data Rate/sampling Rate (sps, Bps): 100k, 400k
• Voltage Reference: External
• Voltage - Supply: 2.7 V ~ 5.5 V
• Operating Temperature: -40°C ~ 85°C
• Mounting Type: Surface Mount
• Package / Case: 32-VFQFN Exposed Pad
• Supply Voltage: 1.65 V to 1.95 V
• Number Of Channels: 16
• Dimensions: 4 mm L x 4 mm W x 0.8 mm H
• Temperature Range: - 40 C to + 85 C
• Termination Style: SMD/SMT
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Current - Supply: -
• Resolution (bits): -
• Touch Panel Interface: -
• Other names: 497-10738-2

Register map and function description
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Register map and function description
This section lists and describes the registers of the STMPE16M31PX device, starting with a
register map and then provides detailed descriptions of register types.
Table 8.
Address
0x0C
0x0A
0x0E
0x0F
0x00
0x02
0x03
0x04
0x06
0x08
0x09
0x10
0x12
0x14
0x16
0x20
0x21
0x22
0x23
0x24
0x25
0x26
Register map
GPIO_0_PWM_CFG
GPIO_1_PWM_CFG
GPIO_2_PWM_CFG
GPIO_3_PWM_CFG
GPIO_4_PWM_CFG
GPIO_5_PWM_CFG
GPIO_6_PWM_CFG
GPIO_ALT_FUN
GPIO_SET_PIN
GPIO_INT_STA
PWM_INT_STA
GPIO_MP_STA
Register name
GPIO_INT_EN
PWM_INT_EN
SYSCON-1
SYSCON-2
INT_CTRL
GPIO_DIR
CHIP_ID
INT_STA
ID_VER
INT_EN
Doc ID 17058 Rev 2
Reset value
0x2431
0x0000
0x0000
0x0000
0x0000
0x0000
0x0000
0xFE
0x03
0x00
0x00
0x00
0x00
0x00
0x00
0x00
0x00
0x00
0x00
0x00
0x00
0x00
RW
RW
RW
RW
RW
RW
RW
RW
RW
RW
RW
RW
RW
RW
RW
RW
RW
RW
RW
I
2
R
R
R
C
Sensor and PWM clock divider
Interrupt status PWM
CHIP identification number
MSB: 0x24, LSB: 0x32
Version of device
Engineering samples:
0x01, 0x02
Final silicon: 0x03
General system control
Interrupt control
Interrupt status
Interrupt enable
Interrupt status GPIO
Interrupt enable GPIO
Interrupt enable PWM
GPIO direction setting
GPIO pin state monitor
GPIO set pin state
GPIO alternate function
Configures PWM output of
GPIO-0
Configures PWM output of
GPIO-1
Configures PWM output of
GPIO-2
Configures PWM output of
GPIO-3
Configures PWM output of
GPIO-4
Configures PWM output of
GPIO-5
Configures PWM output of
GPIO-6
Register function
STMPE16M31PX