Datasheet Details
- Part number
- ADP5589
- Manufacturer
- Analog Devices ↗
- File Size
- 640.94 KB
- Datasheet
- ADP5589-AnalogDevices.pdf
- Description
- Keypad Decoder and I/O Expansion
ADP5589 Description
Data Sheet Keypad Decoder and I/O Expansion ADP5589 .
ADP5589 Features
* 16-element FIFO for event recording 19 configurable I/Os allowing functions such as
Keypad decoding for matrix up to 11 × 8 Key press/release interrupts Key pad lock/unlock GPIO functions GPI with selectable interrupt level 100 kΩ or 300 kΩ pull-up resistors 300 kΩ pull-down resistors GPO with push-
ADP5589 Applications
* Devices requiring keypad entry and I/O expansion capabilities
FUNCTIONAL BLOCK DIAGRAM
VDD
GND
RST
SDA SCL
ADP5589
UVLO POR
OSCILLATOR
I2C INTERFACE
R0 R1 R2 R3 R4 R5 R6 R7 C0 I/O C1 CONFIG C2 C3 C4 C5 C6 C7 C8 C9 C10
KEY SCAN AND
DECODE
GPI SCAN AND
DECODE
LOGIC 1
LOGIC 2
CLK DIV
PWM RES
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