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STMPE821 数据表(PDF) 13 Page - STMicroelectronics

部件名 STMPE821
功能描述  8-bit Xpander Logic??with touchkey controller
PDF  55 Pages
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制造商  STMICROELECTRONICS [STMicroelectronics]
网页  http://www.st.com
标志 STMICROELECTRONICS - STMicroelectronics

STMPE821 数据表(HTML) 13 Page - STMicroelectronics

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STMPE821
Register map and function description
13/55
5
Register map and function description
This section lists and describes the registers of the STMPE821 device, starting with a
register map and then provides detailed descriptions of register types.
Table 5.
Register summary map table
Address
Register name
Bit
Type
Reset value
Function
0x00
CHIP_ID_0
8
R
0x08
Device identification
0x01
CHIP_ID_1
8
R
0x21
Device identification
0x02
ID_VER
8
R
0x01
Revision number
0x03
SYS_CFG_1
8
R/W
0x00
System configuration 1
0x04
SYS_CFG_2
8
R/W
0xEF
System configuration 2
0x08
INT_CTRL
8
R/W
0x01
Interrupt control register
0x09
INT_EN
8
R/W
0x01
Interrupt enable register
0x0A
INT_STA
8
R
0x01
Interrupt status register
0x0B
GPIO__INT_EN_lsb
8
R/W
0x00
GPIO interrupt enable register
0x0C
GPIO__INT_EN_msb
8
R/W
0x00
GPIO interrupt enable register
0x0D
GPIO_INT_STA_lsb
8
R/W
0x00
GPIO interrupt status register
0x0E
GPIO_INT_STA_msb
8
R/W
0x00
GPIO interrupt status register
0x10
GPIO_MR
8
R/W
0x00
GPIO monitor pin
0x12
GPIO_SET
8
R/W
0x00
GPIO set pin state register
0x14
GPIO_DIR
8
R/W
0x00
GPIO set pin direction register
0x16
GPIO_FUNCT
8
R/W
0x00
GPIO function register
0x18
TOUCH_FIFO
64
R
0x00
Fifo access for touch data buffer
0x20
FEATURE_SEL
8
R/W
0x04
Feature selection
0x21
ETC_WAIT
8
R/W
0x27
Wait time
0x22
CAL_INTERVAL
8
R/W
0x30
Calibration interval
0x23
INTEGRATION_
TIME
8
R/W
0x0F
Integration time
0x25
CTRL
8
R/W
0x00
Control
0x26
INT_MASK
8
R/W
0x08
Interrupt mask
0x27
INT_CLR
8
R/W
0x00
Interrupt clear
0x28
FILTER_PERIOD
8
R/W
0x00
Filter period
0x29
FILTER_THRESHOL
D
8
R/W
0x00
Filter threshold
0x2A
REF_DLY
8
R/W
0x00
Reference delay
0x30 -
0x37
TVR
8
R/W
0x08
Touch variance setting



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