SN32F280 Series
32-Bit Cortex-M0 Micro-Controller
SONiX TECHNOLOGY CO., LTD
Page 35
Version 1.1
Bi-
direction I/O Pin Shared with Specific Analog Input Function, e.g. XIN, ADC…
R
PU
Output
Latch
Pin
GPIOn_CFG
I/O Input Bus
I/O Output Bus
GPIOPn_MODE
*. Specific Output Function Control Bit
*. Some specific functions switch I/O direction directly, not through GPIOn_MODE register.
Analog IP Input Terminal
Bi-
direction I/O Pin Shared with Specific Analog Output Function, e.g. XOUT…
R
PU
Output
Latch
Pin
GPIOn_CFG
I/O Input Bus
I/O Output Bus
GPIOPn_MODE
*. Specific Output Function Control Bit
*. Some specific functions switch I/O direction directly, not through GPIOn_MODE register.
Analog IP Output Terminal