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DSP56857 bảng dữ liệu(PDF) 646 Page - Freescale Semiconductor, Inc

tên linh kiện DSP56857
Giải thích chi tiết về linh kiện  Digitial Signal Controller
PDF  662 Pages
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nhà sản xuất  FREESCALE [Freescale Semiconductor, Inc]
Trang chủ  http://www.freescale.com
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DSP56857 bảng dữ liệu(HTML) 646 Page - Freescale Semiconductor, Inc

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Application:
Date:
Programmer:
Sheet
Appendix B - Programmer’s Sheets, Rev. 4
Freescale Semiconductor
B-144
Preliminary
HI8
8 of 10
Bits
Name
Description
7 - 0
IV7 - IV0
Interrupt Vector
This read/write register typically containing the interrupt vector number used with MC68000
family processor vectored interrupts. Only the host processor can read and write this register.
The contents of IVR are placed on the Host data bus (H0–H7) when both HREQ and HACK pins
are asserted and Host DMA is not enabled. The contents of this register are initialized to a
pre-defined value by a hardware or software reset, corresponding to the uninitialized interrupt
vector in the MC68000 family.
HI8 Interrupt Vector Register (IVR)
HI8 Interrupt
Vector Register
(IVR)
$1FFFD8 + $3
Bits
7
6
5
4
3
2
1
0
Read
IV7
IV6
IV5
IV4
IV3
IV2
IV1
IV0
Write
Reset
0
000
11
11



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