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STMPE1601 bảng dữ liệu(PDF) 3 Page - STMicroelectronics

tên linh kiện STMPE1601
Giải thích chi tiết về linh kiện  16-bit enhanced port expander with keypad and PWM controller Xpander Logic
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nhà sản xuất  STMICROELECTRONICS [STMicroelectronics]
Trang chủ  http://www.st.com
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STMPE1601
Contents
3/61
8
Clocking system . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22
8.1
Clock source . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22
8.2
Power mode programming sequence . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23
9
Interrupt system . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24
9.1
Interrupt system register map . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24
9.1.1
Interrupt latency . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25
9.2
Programming sequence . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 29
10
GPIO controller . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 30
10.1
GPIO control registers . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 31
10.2
GPIO alternate function registers . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 32
10.3
Hotkey feature . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 33
10.3.1
Programming sequence for Hotkey . . . . . . . . . . . . . . . . . . . . . . . . . . . . 33
10.3.2
Minimum pulse width . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 33
10.4
Level translator feature . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 34
11
Basic PWM controller . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 35
11.1
Interrupt on basic PWM controller . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 41
11.2
Trigger feature . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 41
12
Keypad controller . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 42
12.1
Keypad configurations . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 43
12.2
Registers in keypad controller . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 45
13
Data registers . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 50
14
Keypad combination key registers . . . . . . . . . . . . . . . . . . . . . . . . . . . . 54
15
Miscellaneous features . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 57
15.1
Reset . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 57
15.2
Under voltage lockout . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 57
16
Package mechanical data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 58
17
Revision history . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 60


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