Dialog Semiconductor GreenPAK Pro, Руководство пользователя

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UM-GP-006
GreenPAK Pro Development Platform
User Manual Revision 1.1 15-Sep-2021
CFR0012 13 of 33
© 2021 Dialog Semiconductor
Upper
connection to
V
DDA
or V
DDB
(Note 2) via
level shifter
through 33

resistor;
bottom
connection to
high
impedance
MCU input
Upper
connection to
high
impedance
MCU;
bottom
connection to
GND through
33

resistor
Upper
connection to
V
DDA
or V
DDB
(Note 2) via
level shifter
through 33

resistor;
bottom
connection to
GND through
33

resistor
Upper
connection to
V
DDA
through
MCU
5 k

Pull-up
re 33

resistor;
bottom
connection to
GND through
MCU 5 k

Pull
Down resistor
+ 33

resistor
Upper
connection to
V
DDA
or V
DDB
(Note 2)
through MCU
5 k

Pull-up
re 33

resistor;
bottom
connection to
GND through
33

resistor
Upper
connection to
V
DDA
or V
DDB
(Note 2) via
level shifter
through 33

resistor;
bottom
connection to
GND through
MCU
5 k

Pull-down
re 33

resistor
Note 2 Connection to V
DDA
or V
DDB
depends on which logical voltage level pin belongs to. For this information
see chip datasheet.
Figure 9 shows the schematic connection of the GP V
DD
pins.