CY8C20X34 CYPRESS [Cypress Semiconductor], CY8C20X34 Datasheet - Page 173
CY8C20X34
Manufacturer Part Number
CY8C20X34
Description
Technical Reference Manual (TRM)
Manufacturer
CYPRESS [Cypress Semiconductor]
Datasheet
1.CY8C20X34.pdf
(218 pages)
- Current page: 173 of 218
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20.3.33 INT_CLR0
This register is used to enable the individual interrupt sources’ ability to clear posted interrupts.
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 .
For additional information, refer to the
Bit
7
6
5
4
(continued on next page)
PSoC CY8C20x34 TRM, Version 1.0
Individual Register Names and Addresses:
INT_CLR0: 0,DAh
Access : POR
Bit Name
I2C
Sleep
SPI
GPIO
Name
Interrupt Clear Register 0
RW : 0
I2C
7
RW : 0
Sleep
6
Description
Read 0
Read 1
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 for I2C.
Read 0
Read 1
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 for sleep timer.
Read 0
Read 1
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 for SPI.
Read 0
Read 1
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 for general purpose inputs and outputs (pins).
Register Definitions on page 49
RW : 0
SPI
5
RW : 0
GPIO
No posted interrupt for I2C.
Posted interrupt present for I2C.
No posted interrupt for SPI.
Posted interrupt present for SPI.
No posted interrupt for general purpose inputs and outputs (pins).
Posted interrupt present for GPIO (pins).
4
No posted interrupt for sleep timer.
Posted interrupt present for sleep timer.
in the Interrupt Controller chapter.
RW : 0
Timer
3
CapSense
RW : 0
2
0,DAh
RW : 0
Analog
1
V Monitor
INT_CLR0
RW : 0
0,DAh
0
173
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