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參數(shù)資料
| 型號： | 2K30A |
| 廠商： | Motorola, Inc. |
| 元件分類： | 數(shù)字信號處理 |
| 英文描述： | 16-bit fixed point DSP with Flash |
| 中文描述： | 具有閃存的 16 位定點 DSP |
| 文件頁數(shù)： | 9/21頁 |
| 文件大?。?/td> | 219K |
| 代理商： | 2K30A |
Chip Errata
DSP56301 Digital Signal Processor
Mask:2K30A
DSP56301 Errata
1996-2002, Motorola
For More Information On This Product,
Go to: www.freescale.com
ng 12/19/02 pg. 9
ED28
Description (added 1/ 7/ 1997; identified as Documentation Errata
2/ 1/ 99):
When two consecutive LAs have a conditional branch instruction
at LA-1 of the internal loop, the part does not operate properly. For
example, the following sequence may generate incorrect results:
DO #5, LABEL1
NOP
DO #4, LABEL2
NOP
MOVE (R0) +
BSCC _DEST
; conditional branch at LA-1 of
internal loop
NOP
; internal LA
LABEL2
NOP
; external LA
LABEL1
NOP
NOP
NOP
NOP
RTS
_DEST
Workaround: Put an additional NOP between LABEL2 and
LABEL1.
Description (added 9/ 12/ 1997; identified as a Documentation
errata 2/ 1/ 99):
2K30A
ED29
When the ESSI transmits data with the CRA Word Length Control
bits
(WL[2:0]) = 100, the ESSI is designed to duplicate the last bit of the
24-bit transmission eight times to fill the 32-bit shifter. Instead, after
shifting the 24-bit word correctly, eight 0s are being shifted.
Workaround:
None at this time.
2K30A
Errata
Number
Document Update
Applies
to Mask
F
Freescale Semiconductor, Inc.
n
.
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