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DSP56303 датащи(PDF) 265 Page - Freescale Semiconductor, Inc

номер детали DSP56303
подробное описание детали  DSP56303 USER?셎 MANUAL
PDF  292 Pages
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производитель  FREESCALE [Freescale Semiconductor, Inc]
домашняя страница  http://www.freescale.com
Logo FREESCALE - Freescale Semiconductor, Inc

DSP56303 датащи(HTML) 265 Page - Freescale Semiconductor, Inc

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Programming Sheets
DSP56303 User’s Manual, Rev. 2
Freescale Semiconductor
B-21
Figure B-12. Interrupt Control and Command Vector Registers
Application:
Date:
Programmer:
Sheet 4 of 5
HOST
7
6
5432
10
Host Side
RREQ
HF1
TREQ
HF0
INIT
HLEND
Interrupt Control Register (ICR)
Host Address: $0 Read/Write
Transmit Request Enable
DMA Off
0 = Interrupts Disabled
1 = Interrupts Enabled
DMA On
0 = DSP
→ Host
1 = Host
→ DSP
Host Flags
Write Only
Initialize (Write Only)
Host Little Endian
Receive Request Enable
DMA Off
0 = Interrupts Disabled
1 = Interrupts Enabled
DMA On
0 = Host
→ DSP
1 = DSP
→ Host
0 = No Action
1 = Initialize DMA
HDRQ
*0
HDRQ
HREQ/HTRQ
HACK/HRRQ
0
HREQ
HACK
1
HTRQ
HRRQ
Reset = $00
*= Reserved, Program as 0
76
5
4
3
2
1
0
HC0
HC4
HC1
HC3
HC7
HC5
Command Vector Register (CVR)
HC2
Reset = $32
Contains the host command interrupt address
HC6
Host Vector
Contains Host Command Interrupt Address ÷ 2
Host Command
Handshakes Executing Host Command Interrupts
Host Address: $1 Read/Write



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