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STMPE321QTR
P1-P3
P4-P6
P7-P9
P10-P12
P13-P15
P16-P18
P19-P21
P22-P24
P25-P27
P28-P30
P31-P33
P34-P36
P37-P39
P40-P40
STMPE321
Register map and function des
cription
Doc ID 15791 Rev
3
13/40
0x50-0x52
STRENGTH_THRES
[0-2]
8
R/W
0x01
Setting of strength thresh
old for each
channel
0x60 -
0x62
STRENGTH [0-2]
8
R
0x00
Strength
0x70 -
0x72
CAL_IMPED
ANCE [0-2]
8
R
0x00
Calibrated impedance
0x80 -
0x82
IMPED
ANCE [0-2]
8
R
0x00
Impedance
0x92
INT_PENDING
8
R/W
0x00
Status of GINT interr
upt sources
T
able 5.
Register su
mmary map
table (continued)
Address
Register name
Bit
T
ype
Reset value
Function
System and id
entification
registers
STMPE321
14/40
Doc ID 15791 Rev
3
5
System and identification register
s
CHIP_ID_x
Device identification
Address:
0x00, 0x01
Ty
p
e
:
R
Reset:
0x03, 0x21
Description:
16(8+8)-bit de
vice identification
T
ab
le 6.
System and identi
fication regis
ters ma
p
Address
Register name
Bit
T
ype
Reset
Function
0x00
CHIP_ID_0
8
R
0
x03
De
vice
identificati
on
0x01
CHIP_ID_1
8
R
0
x21
De
vice
identificati
on
0x02
ID_VER
8
R
0x
03
Revision n
umber
0x03
SYS_CFG_1
8
R/W
0x00
System
configuration 1
0x04
SYS_CFG_2
8
R/W
0xEF
System
configuration 2
STMPE321
System and i
dentificat
ion registers
Doc ID 15791 Rev
3
15/40
ID_VER
Revision n
umber
Address:
0x02
Ty
p
e
:
R
Reset:
0x03
Description:
8-bit re
vision n
umber
SYS_CFG_1
System configuration 1
Address:
0x03
Ty
p
e
:
R/W
Reset:
0x00
Description:
The reset control registe
r enab
les the reset of the de
vice
76543
2
1
0
RESER
VED
SLEEP
W
ARM_RESET
SOFT_RESET
HIBERNA
TE
[7:4]
RESER
VED
[3]
SLEEP
:
Write ‘1’ to enable sleep mode. Hardware resets this bit to ‘0’ after it successfully enters sleep
mode.
[2]
W
ARM_RESET
:
Write ‘1’ to initiate a war
m reset. Regi
ster content remain
s, state machine reset.
[1]
SOFT_RESET
:
Write ‘1’ to initiate a soft reset. All re
gisters content and state machines reset.
[0]
HIBERNA
TE
: F
orce the de
vice into hiber
nation mode.
Write ‘1’ to enter hiber
nate mode. Hardware rese
ts this bit
to ‘0’ afte
r it successfully enters
hiber
nate mode.
P1-P3
P4-P6
P7-P9
P10-P12
P13-P15
P16-P18
P19-P21
P22-P24
P25-P27
P28-P30
P31-P33
P34-P36
P37-P39
P40-P40
STMPE321QTR
Mfr. #:
Buy STMPE321QTR
Manufacturer:
STMicroelectronics
Description:
IC CTLR TOUCH KEY 3CH 12-QFN
Lifecycle:
New from this manufacturer.
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STMPE321QTR