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SAFC161PI bảng dữ liệu(PDF) 88 Page - Infineon Technologies AG

tên linh kiện SAFC161PI
Giải thích chi tiết về linh kiện  16-Bit Single-Chip Microcontroller
PDF  400 Pages
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nhà sản xuất  INFINEON [Infineon Technologies AG]
Trang chủ  http://www.infineon.com
Logo INFINEON - Infineon Technologies AG

SAFC161PI bảng dữ liệu(HTML) 88 Page - Infineon Technologies AG

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User’s Manual
5-6
1999-08
The Interrupt Request Flag is set by hardware whenever a service request from the
respective source occurs. It is cleared automatically upon entry into the interrupt service
routine or upon a PEC service. In the case of PEC service the Interrupt Request flag
remains set, if the COUNT field in register PECCx of the selected PEC channel
decrements to zero. This allows a normal CPU interrupt to respond to a completed PEC
block transfer.
Note: Modifying the Interrupt Request flag via software causes the same effects as if it
had been set or cleared by hardware.
xxIC
Interrupt Control Register
(E)SFR (yyyy
H/zzH)
Reset value: - - 00
H
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
0
xxIR xxIE
ILVL
GLVL
-
-
-
-
-
-
-
-
rwh
rw
rw
rw
Bit
Function
GLVL
Group Level
Defines the internal order for simultaneous requests of the same priority.
3:
Highest group priority
0:
Lowest group priority
ILVL
Interrupt Priority Level
Defines the priority level for the arbitration of requests.
F
H:
Highest priority level
0
H:
Lowest priority level
xxIE
Interrupt Enable Control Bit (individually enables/disables a specific source)
0:
Interrupt request is disabled
1:
Interrupt Request is enabled
xxIR
Interrupt Request Flag
0:
No request pending
1:
This source has raised an interrupt request



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