CY8C28xxx PSoC Programmable System-on-Chip TRM, Document No. 001-52594 Rev. *G
203
INT_CLR2
0,DCh
13.2.69
INT_CLR2
Interrupt Clear Register 2
This register is used to enable the individual interrupt sources’ ability to clear posted interrupts for digital blocks.
When bits in this register are read, a ‘1’ will be returned for every bit position that has a corresponding posted interrupt. When
bits in this register are written with a ‘0’ and ENSWINT is not set, posted interrupts will be cleared at the corresponding bit
positions. If there was not a posted interrupt, there is no effect. When bits in this register are written with a ‘1’ and ENSWINT
is set, an interrupt is posted in the interrupt controller. Note that the ENSWINT bit is in the
.
In
the table, note that reserved bits are grayed table cells and are not described in the bit description section. Reserved bits
should always be written with a value of ‘0’. For additional information, refer to the
“Register Definitions” on page 68
in the
Interrupt Controller chapter.
3
DCC23
Digital Communications Block type B, row 2, position 3.
Read 0
No posted interrupt.
Read 1
Posted interrupt present.
Write 0 AND ENSWINT = 0
Clear posted interrupt if it exists.
Write 1 AND ENSWINT = 0
No effect.
Write 0 AND ENSWINT = 1
No effect.
Write 1 AND ENSWINT = 1
Post an interrupt.
2
DCC22
Digital Communications Block type B, row 2, position 2.
Read 0
No posted interrupt.
Read 1
Posted interrupt present.
Write 0 AND ENSWINT = 0
Clear posted interrupt if it exists.
Write 1 AND ENSWINT = 0
No effect.
Write 0 AND ENSWINT = 1
No effect.
Write 1 AND ENSWINT = 1
Post an interrupt.
1
DBC21
Digital Basic Block type B, row 2, position 1.
Read 0
No posted interrupt.
Read 1
Posted interrupt present.
Write 0 AND ENSWINT = 0
Clear posted interrupt if it exists.
Write 1 AND ENSWINT = 0
No effect.
Write 0 AND ENSWINT = 1
No effect.
Write 1 AND ENSWINT = 1
Post an interrupt.
0
DBC20
Digital Basic Block type B, row 2, position 0.
Read 0
No posted interrupt.
Read 1
Posted interrupt present.
Write 0 AND ENSWINT = 0
Clear posted interrupt if it exists.
Write 1 AND ENSWINT = 0
No effect.
Write 0 AND ENSWINT = 1
No effect.
Write 1 AND ENSWINT = 1
Post an interrupt.
Individual Register Names and Addresses:
0,DCh
INT_CLR2: 0,DCh
7
6
5
4
3
2
1
0
Access : POR
RW : 0
RW : 0
RW : 0
RW : 0
Bit Name
DCC23
DCC22
DBC21
DBC20
Bit
Name
Description
Содержание CY8C28 series
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