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STMPE812 数据表(PDF) 15 Page - STMicroelectronics

部件名 STMPE812
功能描述  S-Touch® enhanced 4-wire resistive touchscreen controller with PWM
PDF  51 Pages
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制造商  STMICROELECTRONICS [STMicroelectronics]
网页  http://www.st.com
标志 STMICROELECTRONICS - STMicroelectronics

STMPE812 数据表(HTML) 15 Page - STMicroelectronics

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STMPE812
STMPE812 registers
Doc ID 17732 Rev 3
15/51
6
STMPE812 registers
This section lists and describes the registers of the STMPE812 device, starting with a
register map and then provides detailed descriptions of register types.
Table 6.
Register summary map table
Address
Register name
Bit
Type
Reset value
Function
Registers from 0x00 - 0x0F are always accessible.
0x00 - 01
CHIP_ID
16
R
0x0812
Device identification
0x02
ID_VER
8
R
0x10
Revision number
0x10 for engineering sample
0x03
SYS_CTRL
8
R/W
0x0F
System control register
0x04
PORT_FUNCTI
ON
8
R/W
0x00
Port function control register
0x06 - 07
SCRATCH_PAD
16
R/W
0x00
General purpose storage
register
0x08
INT_CTRL
8
R/W
0x00
Interrupt control register
0x09
INT_EN
8
R/W
0x00
interrupt enable register
0x0A
INT_STA
8
R
0x00
Interrupt status register
Registers from 0x10 - 0x1F are accessible only if “GPIO_OFF” bit in SYS_CTRL is set to “0”.
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 falling edge register
0x14
GPIO_ED
8
R/W
0x00
GPIO rising edge register
Registers from 0x20 - 0x2F are accessible only if “ADC_OFF” bit in SYS_CTRL is set to “0”.
0x20
ADC_CTRL
8
R/W
0x32
ADC control
0x21 - 22
ADC_DATA
16
R
0x0000
ADC data
Registers from 0x40 - 0x4F are accessible only if “TSC_OFF” bit in SYS_CTRL is set to “0”.
0x40
TSC_CTRL
8
R/W
0x00
4-wire touchscreen
controller setup
0x41
TSC_DET_CFG
1
8R/W
0xA4
Touchscreen controller
configuration 1
0x42
TSC_DET_CFG
2
8R/W
0xB0
Touchscreen controller
configuration 2
0x43
TSC_SAMPLIN
G_RATE
8R/W
0x0A
Touchscreen controller
sampling rate register
Obsolete
Product(s)
- Obsolete
Product(s)



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