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Xpander Logic STMPE1801
ST Xpander Logic STMPE1801 Manuals
Manuals and User Guides for ST Xpander Logic STMPE1801. We have
1
ST Xpander Logic STMPE1801 manual available for free PDF download: Manual
ST Xpander Logic STMPE1801 Manual (60 pages)
18-bit enhanced port expander with keypad controller
Brand:
ST
| Category:
Controller
| Size: 0 MB
Table of Contents
Table of Contents
2
Block Diagram
4
Pin Settings
5
Pin Connection
5
Pin Description
5
GPIO Pin Functions
6
Maximum Ratings
8
Absolute Maximum Ratings
8
Thermal Data
8
Electrical Specification
9
DC Electrical Characteristics
9
Input/Output DC Electrical Characteristics
10
Register Address
11
I2C Specification
14
I2C Related Pins
14
I2C Addressing
14
Start Condition
14
Stop Condition
14
Acknowledge Bit (ACK)
15
Data Input
15
Memory Addressing
15
Operation Modes
15
General Call Address
17
System Controller
18
System Level Registers
18
System Control Register
19
States of Operation
20
Auto-Hibernate
20
Keypress Detect in the Hibernate Mode
21
Clocking System
22
Clock Source
22
Power Mode Programming Sequence
23
Interrupt System
24
Interrupt System Register Map
25
Interrupt Latency for the GPIO Hot Keys
25
Interrupt Control Register
26
Interrupt Status Register
28
Programming Sequence
31
GPIO Controller
32
GPIO Control Registers
33
Bit Description
33
Hotkey Feature
34
Programming Sequence for Hotkey
34
Minimum Pulse Width
34
Keypad Controller
35
Keypad Configurations
38
Keypad Controller Registers
40
Data Registers
46
Keypad Combination Key Registers
50
Using the Keypad Controller
51
Ghost Key Handling
51
Key Detection Priority
51
Keypad Wakeup from Hibernate Mode
52
Keypad Controller Combination Key Interrupt
52
Miscellaneous Features
53
Reset
53
Package Mechanical Data
54
Revision History
59
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