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HD64F2145 Datasheet(PDF) 131 Page - Renesas Technology Corp

Part # HD64F2145
Description  Hitachi 16-Bit Single-Chip Microcomputer
PDF  829 Pages
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Manufacturer  RENESAS [Renesas Technology Corp]
Direct Link  http://www.renesas.com
Logo RENESAS - Renesas Technology Corp

HD64F2145 Datasheet(HTML) 131 Page - Renesas Technology Corp

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Rev. 2.0, 08/02, page 91 of 788
• ISCRL
Bit
Bit Name
Initial Value
R/W
Description
7
6
IRQ3SCB
IRQ3SCA
0
0
R/W
R/W
5
4
IRQ2SCB
IRQ2SCA
0
0
R/W
R/W
3
2
IRQ1SCB
IRQ1SCA
0
0
R/W
R/W
1
0
IRQ0SCB
IRQ0SCA
0
0
R/W
R/W
IRQn Sense Control B
IRQn Sense Control A
00: Interrupt request generated at low level of
,54Q input
01: Interrupt request generated at falling edge
of
,54Q input
10: Interrupt request generated at rising edge of
,54Q input
11: Interrupt request generated at both falling
and rising edges of
,54Q input
(n = 3 to 0)
5.3.5
IRQ Enable Register (IER)
IER controls the enabling and disabling of interrupt requests IRQ7 to IRQ0.
Bit
Bit Name
Initial Value
R/W
Description
7
6
5
4
3
2
1
0
IRQ7E
IRQ6E
IRQ5E
IRQ4E
IRQ3E
IRQ2E
IRQ1E
IRQ0E
0
0
0
0
0
0
0
0
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
IRQn Enable (n = 7 to 0)
The IRQn interrupt request is enabled when this
bit is 1.



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