HD6413008F RENESAS [Renesas Technology Corp], HD6413008F Datasheet - Page 130

• Manufacturer Part Number: HD6413008F
• Description: Renesas 16-Bit Single-Chip Microcomputer H8 Family/H8/300H Series
• Manufacturer: RENESAS [Renesas Technology Corp]

5. Interrupt Controller
Bits 7 and 6—Reserved: These bits can be written and read, but they do not enable or disable
interrupts.
Bits 5 to 0—IRQ
IRQ
Bits 5 to 0
IRQ5E to IRQ0E Description
0
1
5.2.5
ISCR is an 8-bit readable/writable register that selects level sensing or falling-edge sensing of the
inputs at pins IRQ
ISCR is initialized to H'00 by a reset and in hardware standby mode.
Bits 7 and 6—Reserved: These bits can be written and read, but they do not select level or
falling-edge sensing.
Bits 5 to 0—IRQ
interrupts IRQ
sensing.
Bits 5 to 0
IRQ5SC to IRQ0SC Description
0
1
Rev.4.00 Aug. 20, 2007 Page 86 of 638
REJ09B0395-0400
Bit
Initial value
Read/Write
5
to IRQ
IRQ Sense Control Register (ISCR)
0
interrupts.
5
to IRQ
5
5
IRQ
IRQ
5
to IRQ
to IRQ
Reserved bits
to IRQ
R/W
⎯
7
0
Interrupts are requested when IRQ
Interrupts are requested by falling-edge input at IRQ
5
5
0
to IRQ
to IRQ
are requested by level sensing of pins IRQ
0
0
0
.
Enable (IRQ5E to IRQ0E): These bits enable or disable
Sense Control (IRQ5SC to IRQ0SC): These bits select whether
R/W
0
0
⎯
interrupts are disabled
interrupts are enabled
6
0
IRQ5SC
R/W
5
0
IRQ4SC
R/W
IRQ to IRQ sense control
These bits select level sensing or falling-edge
sensing for IRQ to IRQ interrupts
4
0
5
5
IRQ3SC
to IRQ
R/W
3
0
0
0
inputs are low
5
5
to IRQ
IRQ2SC
R/W
2
0
5
0
0
to IRQ
, or by falling-edge
IRQ1SC
R/W
1
0
0
(Initial value)
(Initial value)
IRQ0SC
R/W
0
0