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STMPE1801 数据表(PDF) 12 Page - STMicroelectronics

部件名 STMPE1801
功能描述  Xpander Logic™ 18-bit enhanced port expander with keypad controller
PDF  60 Pages
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制造商  STMICROELECTRONICS [STMicroelectronics]
网页  http://www.st.com
标志 STMICROELECTRONICS - STMicroelectronics

STMPE1801 数据表(HTML) 12 Page - STMicroelectronics

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Register address
STMPE1801
12/60
Doc ID 17884 Rev 3
19
GPIO_SET_DIR_LOW
GPIO set pin
direction
register
Yes
IO7
IO6
IO5
IO4
IO3
IO2
IO1
IO0
1A
GPIO_SET_DIR_MID
IO15 IO14 IO13 IO12 IO11 IO10
IO9
IO8
1B
GPIO_SET_DIR_HIG
H
RESERVED
IO17 IO16
1C
GPIO_RE_LOW
GPIO rising
edge
Yes
IO7
IO6
IO5
IO4
IO3
IO2
IO1
IO0
1D
GPIO_RE_MID
IO15 IO14 IO13 IO12 IO11 IO10
IO9
IO8
1E
GPIO_RE_HIGH
RESERVED
IO17 IO16
1F
GPIO_FE_LOW
GPIO falling
edge
Yes
IO7
IO6
IO5
IO4
IO3
IO2
IO1
IO0
20
GPIO_FE_MID
IO15 IO14 IO13 IO12 IO11 IO10
IO9
IO8
21
GPIO_FE_HIGH
RESERVED
IO17 IO16
22
GPIO_PULL_UP_LO
W
GPIO pull up
Yes
IO7
IO6
IO5
IO4
IO3
IO2
IO1
IO0
23
GPIO_PULL_UP_MID
IO15 IO14 IO13 IO12 IO11 IO10
IO9
IO8
24
GPIO_PULL_UP_HIG
H
RESERVED
IO17 IO16
30
KPC_ROW
Keypad row
scanning
Yes
RO
W7
RO
W6
RO
W5
RO
W4
RO
W3
RO
W2
RO
W1
RO
W0
31
KPC_COL_LOW
Keypad column
scanning
Yes
COL
7
COL
6
COL
5
COL
4
COL
3
COL
2
COL
1
COL
0
32
KPC_COL_HIGH
RESERVED
COL
9
COL
8
33
KPC_CTRL_LOW
Key config:
Scan count and
dedicated key
Yes
SCAN_COUNT 0-3
DKEY 0-3
34
KPC_CTRL_MID
DB6 DB5 DB4 DB3 DB2 DB1 DB0
Rsv
d
35
KPC_CTRL_HIGH
Rsv
d
CM
B_K
EY
RESERVED
SCAN_FR
EQ
36
KPC_CMD
Keypad
command
Yes
RESERVED
KPC
_LC
K
SCA
N
37
KPC_COMB_KEY_0
Keypad
combination
key mask
Yes
C4
C3
C2
C1
C0
R2
R1
R0
38
KPC_COMB_KEY_1
C4
C3
C2
C1
C0
R2
R1
R0
39
KPC_COMB_KEY_2
C4
C3
C2
C1
C0
R2
R1
R0
Table 8.
STMPE1801 register summary table
Addres
s
Register name
Description
Auto-
increment
76
54
32
10



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