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STMPE811 Datasheet(PDF) 16 Page - STMicroelectronics

Part # STMPE811
Description  8-bit port expander with advanced touchscreen controller
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Manufacturer  STMICROELECTRONICS [STMicroelectronics]
Direct Link  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

STMPE811 Datasheet(HTML) 16 Page - STMicroelectronics

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STMPE811 registers
STMPE811
16/54
6
STMPE811 registers
This section lists and describes the registers of the STMPE811 device, starting with a
register map and then provides detailed descriptions of register types.
Table 10.
Register summary map table
Address
Register name
Bit
Type
Reset value
Function
0x00
CHIP_ID
16
R
0x0811
Device identification
0x02
ID_VER
8
R
0x01
Revision number
0x01 for engineering sample
0x02 for final silicon
0x03
SYS_CTRL1
8
R/W
0x00
Reset control
0x04
SYS_CTRL2
8
R/W
0x0F
Clock control
0x08
SPI_CFG
8
R/W
0x01
SPI interface configuration
0x09
INT_CTRL
8
R/W
0x00
Interrupt control register
0x0A
INT_EN
8
R/W
0x00
Interrupt enable register
0x0B
INT_STA
8
R
0x10
interrupt status register
0x0C
GPIO_EN
8
R/W
0x00
GPIO interrupt enable
register
0x0D
GPIO_INT_STA
8
R
0x00
GPIO interrupt status
register
0x0E
ADC_INT_EN
8
R/W
0x00
ADC interrupt enable
register
0x0F
ADC_INT_STA
8
R
0x00
ADC interrupt status register
0x10
GPIO_SET_PIN
8
R/W
0x00
GPIO set pin register
0x11
GPIO_CLR_PIN
8
R/W
0x00
GPIO clear pin register
0x12
GPIO_MP_STA
8
R/W
0x00
GPIO monitor pin state
register
0x13
GPIO_DIR
8
R/W
0x00
GPIO direction register
0x14
GPIO_ED
8
R/W
0x00
GPIO edge detect register
0x15
GPIO_RE
8
R/W
0x00
GPIO rising edge register
0x16
GPIO_FE
8
R/W
0x00
GPIO falling edge register
0x17
GPIO_AF
8
R/W
0x00
Alternate function register
0x20
ADC_CTRL1
8
R/W
0x9C
ADC control
0x21
ADC_CTRL2
8
R/W
0x01
ADC control
0x22
ADC_CAPT
8
R/W
0xFF
To initiate ADC data
acquisition
0x30
ADC_DATA_CH0
16
R
0x0000
ADC channel 0
0x32
ADC_DATA_CH1
16
R
0x0000
ADC channel 1


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