R01UH0092EJ0110 Rev.1.10
Page 197 of 807
Jul 31, 2012
M16C/64C Group
14. Interrupts
14.2.4
Interrupt Source Select Register 3 (IFSR3A)
IFSR31 and IFSR30 (
INT7
and
INT6
interrupt polarity select bit) (b1-b0)
When setting this bit to 1 (both edges), make sure the corresponding POL bit in registers INT6IC and
INT7IC is set to 0 (falling edge).
b7
0
0
b6 b5 b4
b1
b2
b3
Interrupt Source Select Register 3
Symbol
IFSR3A
Address
0205h
Bit Symbol
Bit Name
RW
IFSR30
Reset Value
00h
b0
Function
IFSR31
IFSR34
0 : One edge
1 : Both edges
RW
RW
RW
0 : One edge
1 : Both edges
0 : UART5 transmission, NACK
1 : CEC2
INT6 interrupt polarity select
bit
INT7 interrupt polarity select
bit
Interrupt request source select
bit
IFSR36
RW
0 : UART6 transmission, NACK
1 : Real-time clock compare
Interrupt request source select
bit
—
(b7)
RW
Set to 0
Reserved bit
—
(b2)
RW
Set to 0
Reserved bit
IFSR33
RW
0 : UART5 start/stop condition detection,
bus collision detection
1 : CEC1
Interrupt request source select
bit
IFSR35
RW
0 : UART6 start/stop condition detection,
bus collision detection
1 : Real-time clock cycle
Interrupt request source select
bit
Содержание M16C Series
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