ADP5586 Datasheet, PDF (41/44 Pages) Analog Devices – Keypad Decoder and I/O Port Expander

Data Sheet
APPLICATIONS SCHEMATIC
ADP5586
VDD
HOST PROCESSOR
INT
RST
SCL
SDA
VDD
KP/LOGIC OUTPUT/GPI/GPO
KP/LOGIC INPUT/GPI/GPO
KP/LOGIC INPUT/GPI/GPO
KP/LOGIC INPUT/GPI/GPO
KP/RESET OUTPUT/GPI/GPO
12345
6 7 8 9 10
11 12 13 14 15
16 17 18 19 20
21 22 23 24 25
SDA
SCL RST VDD
ADP5586
I²C
INTERFACE
R0
UVLO
POR
OSCILLATOR
R1
KEY SCAN
R2
AND
R3
DECODE
R4
INT
GPI SCAN
AND
C4
DECODE
C3
C2
I/O
CONFIG
LOGIC
C1
C0
RESET GEN _REGISTERS
PULSE
GEN 1
PULSE
GEN 2
GND
Figure 28. Typical Applications Schematic
Rev. 0 | Page 41 of 44