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H8/3028F 数据表(PDF) 121 Page - Renesas Technology Corp

部件名 H8/3028F
功能描述  Renesas 16-Bit Single-Chip Microcomputer H8 Family/H8/300H Series
PDF  923 Pages
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制造商  RENESAS [Renesas Technology Corp]
网页  http://www.renesas.com
标志 RENESAS - Renesas Technology Corp

H8/3028F 数据表(HTML) 121 Page - Renesas Technology Corp

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Rev. 2.00, 09/03, page 91 of 890
5.2.4
IRQ Enable Register (IER)
IER is an 8-bit readable/writable register that enables or disables IRQ5 to IRQ0 interrupt requests.
Bit
Initial value
Read/Write
7
—
0
R/W
These bits enable or disable IRQ to IRQ interrupts
6
—
0
R/W
5
IRQ5E
0
R/W
4
IRQ4E
0
R/W
3
IRQ3E
0
R/W
2
IRQ2E
0
R/W
1
IRQ1E
0
R/W
0
IRQ0E
0
R/W
50
IRQ to IRQ enable
50
Reserved bits
IER 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 enable or disable
interrupts.
Bits 5 to 0—IRQ5 to IRQ0 Enable (IRQ5E to IRQ0E): These bits enable or disable
IRQ5 to IRQ0 interrupts.
Bits 5 to 0
IRQ5E to IRQ0E Description
0IRQ5 to IRQ0 interrupts are disabled
(Initial value)
1IRQ5 to IRQ0 interrupts are enabled



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