Section 5
Interrupt Controller
Rev. 1.00 Mar. 12, 2008 Page 85 of 1178
REJ09B0403-0100
5.3.6
IRQ Status Registers (ISR16, ISR)
The ISR registers are flag registers that indicate the status of IRQ15 to IRQ0 interrupt requests.
•
ISR16
Bit Bit
Name
Initial
Value
R/W Description
7 to 0
IRQ15F to
IRQ8F
All 0
R/W
[Setting condition]
•
When the interrupt source selected by the ISCR16
registers occurs
[Clearing conditions]
•
When reading 1, then writing 0
•
When interrupt exception handling is executed when
low-level detection is set and
IRQn
*
or
ExIRQn
input is
high
•
When IRQn interrupt exception handling is executed
when falling-edge, rising-edge, or both-edge detection
is set
(n = 15 to 8)
Note:
*
IRQn
stands for
IRQ15
to
IRQ8
.
•
ISR
Bit Bit
Name
Initial
Value
R/W Description
7 to 0
IRQ7F to
IRQ0F
All 0
R/W
[Setting condition]
•
When the interrupt source selected by the ISCR
registers occurs
[Clearing conditions]
•
When reading 1, then writing 0
•
When interrupt exception handling is executed when
low-level detection is set and
IRQn
*
or
ExIRQn
input is
high
•
When IRQn interrupt exception handling is executed
when falling-edge, rising-edge, or both-edge detection
is set
(n = 7 to 0)
Note:
*
IRQn
stands for
IRQ7
to
IRQ0
.
Summary of Contents for H8S Family
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Page 70: ...Section 1 Overview Rev 1 00 Mar 12 2008 Page 22 of 1178 REJ09B0403 0100...
Page 108: ...Section 2 CPU Rev 1 00 Mar 12 2008 Page 60 of 1178 REJ09B0403 0100...
Page 116: ...Section 3 MCU Operating Modes Rev 1 00 Mar 12 2008 Page 68 of 1178 REJ09B0403 0100...
Page 152: ...Section 5 Interrupt Controller Rev 1 00 Mar 12 2008 Page 104 of 1178 REJ09B0403 0100...
Page 206: ...Section 6 Bus Controller BSC Rev 1 00 Mar 12 2008 Page 158 of 1178 REJ09B0403 0100...
Page 420: ...Section 9 14 Bit PWM Timer PWMX Rev 1 00 Mar 12 2008 Page 372 of 1178 REJ09B0403 0100...
Page 476: ...Section 12 Watchdog Timer WDT Rev 1 00 Mar 12 2008 Page 428 of 1178 REJ09B0403 0100...
Page 552: ...Section 14 CRC Operation Circuit CRC Rev 1 00 Mar 12 2008 Page 504 of 1178 REJ09B0403 0100...
Page 712: ...Section 18 I2 C Bus Interface IIC Rev 1 00 Mar 12 2008 Page 664 of 1178 REJ09B0403 0100...
Page 804: ...Section 19 LPC Interface LPC Rev 1 00 Mar 12 2008 Page 756 of 1178 REJ09B0403 0100...
Page 838: ...Section 20 Ethernet Controller EtherC Rev 1 00 Mar 12 2008 Page 790 of 1178 REJ09B0403 0100...
Page 964: ...Section 24 RAM Rev 1 00 Mar 12 2008 Page 916 of 1178 REJ09B0403 0100...
Page 1066: ...Section 25 Flash Memory Rev 1 00 Mar 12 2008 Page 1018 of 1178 REJ09B0403 0100...
Page 1098: ...Section 26 Boundary Scan JTAG Rev 1 00 Mar 12 2008 Page 1050 of 1178 REJ09B0403 0100...
Page 1226: ...Rev 1 00 Mar 12 2008 Page 1178 of 1178 REJ09B0403 0100...
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Page 1230: ...H8S 2472 Group H8S 2462 Group Hardware Manual...