Datasheet

STMPE811 STMPE811 registers
Doc ID 14489 Rev 6 19/65
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 11. 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 0x03
Revision number
0x01 for engineering sample
0x03 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 0x1C 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