SN32F280 Series
32-Bit Cortex-M0 Micro-Controller
SONiX TECHNOLOGY CO., LTD
Page 81
Version 1.1
Bit
Name
Description
Attribute
Reset
31:20
Reserved
R
0
19:0
IE[19:0]
Select the interrupt on pin x to be enabled (x = 0 to 19).
0: Disable Interrupt on Pn.x
1: Enable Interrupt on Pn.x
R/W
0
5.3.8 GPIO Port n Raw Interrupt Status register (GPIOn_RIS) (n=0,1,2,3)
Address offset: 0x1C
This register indicates the status for GPIO control raw interrupts. A GPIO interrupt is sent to the interrupt controller if the
corresponding bit in GPIOn_IE register is set.
Bit
Name
Description
Attribute
Reset
31:20
Reserved
R
0
19:0
IF[19:0]
GPIO raw interrupt flag (x = 0 to 19).
0: No interrupt on Pn.x
1: Interrupt requirements met on Pn.x.
R
0
5.3.9 GPIO Port n Interrupt Clear register (GPIOn_IC) (n=0,1,2,3)
Address offset: 0x20
Bit
Name
Description
Attribute
Reset
31:20
Reserved
R
0
19:0
IC[19:0]
Select the interrupt flag on pin x to be cleared (x = 0 to 19).
0: No effect
1: Clear interrupt flag on Pn.x
W
0
5.3.10 GPIO Port n Bits Set Operation register (GPIOn_BSET) (n=0,1,2,3)
Address offset: 0x24
In order for SW to set GPIO bits without affecting any other pins in a single write operation, the GPIO bit is set if the
corresponding bit in the GPIOn_BSET register is set.
Bit
Name
Description
Attribute
Reset
31:20
Reserved
R
0
19:0
BSET[19:0]
Bit Set enable (x = 0 to 19)
0: No effect on Pn.x
1: Set Pn.x to “1”
W
0
5.3.11 Port n Bits Clear Operation register (GPIOn_BCLR) (n=0,1,2,3)
Address offset: 0x28
In order for SW to clear GPIO bits without affecting any other pins in a single write operation, the GPIO bit is cleared if
the corresponding bit in this register is set.
Bit
Name
Description
Attribute
Reset
Содержание SN32F280 Series
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