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STMPE1208S 数据表(PDF) 19 Page - STMicroelectronics

部件名 STMPE1208S
功能描述  Xpander Logic with 12-channel touchkey
PDF  51 Pages
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制造商  STMICROELECTRONICS [STMicroelectronics]
网页  http://www.st.com
标志 STMICROELECTRONICS - STMicroelectronics

STMPE1208S 数据表(HTML) 19 Page - STMicroelectronics

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STMPE1208S
Register map and function description
19/51
6
Register map and function description
This section lists and describes the registers of the STMPE1208S device, starting with a
register map and then detailed descriptions of register types.
Table 7.
Register summary map table
Address
Module register
Type
Reset value
Description
0x00
FEATURE_SEL
R/W
0x04
Feature selection
0x01
−0x0C TVR 0 −11
R/W
0x08
TVR (touch variance) setting of
each capacitive channel
0x0D
EVR
R/W
0x04
EVR (enviromental variance)
setting of all 12 channels
0x0E
ETC_WAIT
R/W
0x27
Wait time for calibration
0x0F
REF_DELAY
R/W
0x00
Value of reference delay chain
0x10
− 0x1B STRENGTH_THRES
R/W
0x01
Setting of strength threshold for
each channel
0x1C
INTEGRATION_ TIME
R/W
0x0F
Integration time for AFS mode
0x1D
IDLE_TIME
R/W
0x0F
Period to enter IDLE mode after
non-activity
0x1E
GPIO_REG_L
R/W
0x00
Output state of I/O if configured
as GPIO
0x1F
GPIO_REG_H
R/W
0x00
Output state of I/O if configured
as GPIO
0x20
GPIO_CFG_L
R/W
0x00
To configure I/O as GPIO or
direct capacitive measurement
output
0x21
GPIO_CFG_H
R/W
0x00
To configure I/O as GPIO or
direct capacitive measurement
output
0x22
GPIO_DIR_L
R/W
0x00
Direction of GPIO
0x23
GPIO_DIR_H
R/W
0x00
Direction of GPIO
0x24
CTRL_1
R/W
0x00
Functional control of capacitive
sensing
0x25
CTRL_2
R/W
0x00
Functional control of capacitive
sensing
0x26
INT_MASK
R/W
0x00
Mask for GINT interrupt
sources
0x27
INT_CLR
R/W
0x00
Writing this register clears the
INT Pending register
0x28
BEEP_PER
R/W
0x00
Set the period of BEEP output
0x29
BEEP_FREQ
R/W
0x00
Set the frequency of BEEP
output



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