HD6412240 RENESAS [Renesas Technology Corp], HD6412240 Datasheet - Page 150

• Manufacturer Part Number: HD6412240
• Description: Renesas 16-Bit Single-Chip Microcomputer H8S Family / H8S/2200 Series
• Manufacturer: RENESAS [Renesas Technology Corp]

Section 5 Interrupt Controller
5.2.3
IER is an 8-bit readable/writable register that controls enabling and disabling of interrupt requests
IRQ7 to IRQ0.
IER is initialized to H'00 by a reset and in hardware standby mode.
Bits 7 to 0—IRQ7 to IRQ0 Enable (IRQ7E to IRQ0E): These bits select whether IRQ7 to
IRQ0 are enabled or disabled.
Bit n
IRQnE
0
1
Note: n = 7 to 0
5.2.4
ISCRH
ISCRL
Rev.3.00 Mar. 26, 2007 Page 108 of 772
REJ09B0355-0300
Bit
Initial value
R/W
Bit
Initial value
R/W
Bit
Initial value
R/W
IRQ Enable Register (IER)
IRQ Sense Control Registers H and L (ISCRH, ISCRL)
Description
IRQn interrupts disabled
IRQn interrupts enabled
:
:
:
:
:
:
:
:
:
IRQ7SCB
IRQ3SCB
IRQ7E
R/W
R/W
R/W
15
7
0
0
7
0
IRQ7SCA
IRQ3SCA
IRQ6E
R/W
R/W
R/W
14
6
0
0
6
0
IRQ6SCB
IRQ2SCB
IRQ5E
R/W
R/W
R/W
13
5
0
0
5
0
IRQ6SCA
IRQ2SCA
IRQ4E
R/W
R/W
R/W
12
4
0
0
4
0
IRQ5SCB
IRQ1SCB
IRQ3E
R/W
R/W
R/W
11
3
0
0
3
0
IRQ5SCA
IRQ1SCA
IRQ2E
R/W
R/W
R/W
10
2
0
0
2
0
IRQ4SCB
IRQ0SCB
IRQ1E
R/W
R/W
R/W
1
0
9
0
1
0
(Initial value)
IRQ4SCA
IRQ0SCA
IRQ0E
R/W
R/W
R/W
0
0
8
0
0
0