SN32F280 Series
32-Bit Cortex-M0 Micro-Controller
SONiX TECHNOLOGY CO., LTD
Page 34
Version 1.1
1.7 PIN CIRCUIT DIAGRAMS
Normal Bi-direction I/O Pin.
R
PU
Output
Latch
Pin
GPIOn_CFG
I/O Input Bus
I/O Output Bus
GPIOPn_MODE
Bi-
direction I/O Pin Shared with Specific Digital Input Function, e.g. SPI, I2C…
R
PU
Output
Latch
Pin
GPIOn_CFG
I/O Input Bus
Output Bus
GPIOPn_MODE
Specific Input Bus
Specific Input Function Control Bit
*. Some specific functions switch I/O direction directly, not through GPIOn_MODE register.
Bi-
direction I/O Pin Shared with Specific Digital Output Function, e.g. SPI, I2C…
R
PU
Output
Latch
Pin
GPIOn_CFG
I/O Input Bus
Output Bus
GPIOPn_MODE
Specific Output Bus
Specific Input Function Control Bit
*. Some specific functions switch I/O direction directly, not through GPIOn_MODE register.
Содержание SN32F280 Series
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