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DSP56857 Scheda tecnica(PDF) 546 Page - Freescale Semiconductor, Inc

Il numero della parte DSP56857
Spiegazioni elettronici  Digitial Signal Controller
PDF  662 Pages
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Produttore elettronici  FREESCALE [Freescale Semiconductor, Inc]
Homepage  http://www.freescale.com
Logo FREESCALE - Freescale Semiconductor, Inc

DSP56857 Scheda tecnica(HTML) 546 Page - Freescale Semiconductor, Inc

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Application:
Date:
Programmer:
Sheet
C
5685X Digital Signal Controller User Manual, Rev. 4
B-44
Freescale Semiconductor
Bits
Name
Description
3
IRQB_STATE
State of IRQB
This bit reflects the state of the external IRQB
2
IRQA_STATE
State of IRQA
This bit reflects the state of the external IRQA
1
IRQB_EDG
IRQB Edge
This bit controls whether the externalIRQB interrupt is edge or level sensitive. Automatically level
sensitive during Stop and Wait modes.
0
IRQB interrupt is level sensitive (default)
1
IRQB interrupt is falling edge sensitive
0
IRQA_EDG
IRQA Edge
This bit controls whether the external IRQA interrupt is edge or level sensitive. Automatically level
sensitive during Stop and Wait modes.
0IRQA interrupt is low level sensitive (default)
1IRQA interrupt is falling edge sensitive
24 of 24
ITCN
Interrupt Control Register (ICTL) continued
IRQ Control
Register (ICTL)
$1FFF20 + $1A
Bits
15 14 13 12 11 10 9
8
7
6
5
4
3
2
1
0
Read INT
IPLC
VAB
INT_DIS
0 IRQB_STATE IRQA_STATE
IRQB_EDG IRQA_ EDG
Write
Reset
0
0
00
00
00
00
0
0
1
1
0
0
denotes Reserved Bits



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