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M16C/29 датащи(PDF) 101 Page - Renesas Technology Corp

номер детали M16C/29
подробное описание детали  RENESAS MCU M16C FAMILY / M16C/Tiny SERIES
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9. Interrupts
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Figure 9.4 IFSR Register and IFSR2A Register
Interrupt Request Cause Select Register
Bit Name
Function
Bit Symbol
RW
Symbol
Address
After Reset
IFSR
035F16
0016
IFSR0
b7 b6 b5 b4 b3 b2 b1 b0
INT0 interrupt polarity
switching bit
0 : SI/O3
1 : INT4
0 : SI/O4
1 : INT5
0 : One edge
1 : Both edges
0 : One edge
1 : Both edges
0 : One edge
1 : Both edges
0 : One edge
1 : Both edges
0 : One edge
1 : Both edges
INT1 interrupt polarity
switching bit
INT2 interrupt polarity
switching bit
INT3 interrupt polarity
switching bit
INT4 interrupt polarity
switching bit
INT5 interrupt polarity
switching bit
0 : One edge
1 : Both edges
Interrupt request cause
select bit
Interrupt request cause
select bit
IFSR1
IFSR2
IFSR3
IFSR4
IFSR5
IFSR6
IFSR7
RW
RW
RW
RW
RW
RW
RW
RW
(1)
(1)
(1)
(1)
(1)
(1)
(2)
NOTES:
1. When setting this bit to 1 (both edges), make sure the POL bit in registers INT0IC to INT5IC is set to
0 (falling edge).
2. When setting this bit to 0 (SI/O3, SI/O4), make sure the POL bit in registers S3IC and S4IC is set to
0 (falling edge).
(2)
Interrupt Request Cause Select Register 2
Bit Name
Function
Bit Symbol
RW
Symbol
Address
After reset
IFSR2A
035E16
00XXX0002
b7 b6 b5 b4 b3 b2 b1 b0
0: IC/OC base timer
1: SCL/SDA
0: IC/OC interrupt 1
1: I2C bus interface
IFSR26
IFSR27
Interrupt request cause
select bit
Interrupt request cause
select bit
RW
RW
Set to 0
(b5-b3)
Nothing is assigned. If necessary, set to 0.
When read, the contents are undefined
IFSR20
0
Reserved bit
RW
IFSR21
IFSR22
Interrupt request cause
select bit
Interrupt request cause
select bit
0: A/D conversion
1: Key input
0: CAN0 wakeup/error
1: Do not set
RW
RW



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