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HD6432138SW Datasheet(PDF) 160 Page - Renesas Technology Corp

Part # HD6432138SW
Description  Renesas 16-Bit Single-Chip Microcomputer H8S Family/H8S/2100 Series
PDF  1061 Pages
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Manufacturer  RENESAS [Renesas Technology Corp]
Direct Link  http://www.renesas.com
Logo RENESAS - Renesas Technology Corp

HD6432138SW Datasheet(HTML) 160 Page - Renesas Technology Corp

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Section 5 Interrupt Controller
Rev. 4.00 Jun 06, 2006 page 106 of 1004
REJ09B0301-0400
5.2.3
IRQ Enable Register (IER)
7
IRQ7E
0
R/W
6
IRQ6E
0
R/W
5
IRQ5E
0
R/W
4
IRQ4E
0
R/W
3
IRQ3E
0
R/W
0
IRQ0E
0
R/W
2
IRQ2E
0
R/W
1
IRQ1E
0
R/W
Bit
Initial value
Read/Write
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
Description
0
IRQn interrupt disabled
(Initial value)
1
IRQn interrupt enabled
(n = 7 to 0)
5.2.4
IRQ Sense Control Registers H and L (ISCRH, ISCRL)
• ISCRH
15
IRQ7SCB
0
R/W
14
IRQ7SCA
0
R/W
13
IRQ6SCB
0
R/W
12
IRQ6SCA
0
R/W
11
IRQ5SCB
0
R/W
8
IRQ4SCA
0
R/W
10
IRQ5SCA
0
R/W
9
IRQ4SCB
0
R/W
Bit
Initial value
Read/Write
• ISCRL
7
IRQ3SCB
0
R/W
6
IRQ3SCA
0
R/W
5
IRQ2SCB
0
R/W
4
IRQ2SCA
0
R/W
3
IRQ1SCB
0
R/W
0
IRQ0SCA
0
R/W
2
IRQ1SCA
0
R/W
1
IRQ0SCB
0
R/W
Bit
Initial value
Read/Write



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