參數(shù)資料
型號(hào)： MSC8144EC
廠商： 飛思卡爾半導(dǎo)體(中國(guó))有限公司
元件分類： 數(shù)字信號(hào)處理
英文描述： Quad Core Digital Signal Processor
中文描述： 四核心數(shù)字信號(hào)處理器
文件頁(yè)數(shù)： 25/80頁(yè)
文件大?。?/td> 1145K
代理商： MSC8144EC
Electrical Characteristics
MSC8144EC Quad Core Digital Signal Processor Data Sheet, Rev. 6
Freescale Semiconductor
25
2
Electrical Characteristics
This document contains detailed information on power considerations, DC/AC electrical characteristics, and AC timing
specifications. For additional information, see the
MSC8144EC Reference Manual
.
2.1
Maximum Ratings
In calculating timing requirements, adding a maximum value of one specification to a minimum value of another specification
does not yield a reasonable sum. A maximum specification is calculated using a worst case variation of process parameter values
in one direction. The minimum specification is calculated using the worst case for the same parameters in the opposite direction.
Therefore, a “maximum” value for a specification never occurs in the same device with a “minimum” value for another
specification; adding a maximum to a minimum represents a condition that can never exist.
AH17
Reserved
1
Reserved
1
Reserved
1
Reserved
1
Reserved
1
Reserved
1
Reserved
1
Reserved
1
Reserved
1
Reserved
1
Reserved
1
Reserved
1
—
AH18
—
AH19
—
AH20
—
AH21
—
AH22
—
AH23
—
AH24
—
AH25
—
AH26
—
AH27
—
AH28
—
Notes:
1.
2.
3.
Reserved signals should be disconnected for compatibility with future revisions of the device.
For signals with same functionality in all modes the appropriate cells are empty.
The choice between GPIO function and other function is by GPIO registers setup. For configuration details, see
Chapter 23,
GPIO
in the
MSC8144EC Reference Manual
.
Open-drain signal.
Internal 20 K
Ω
pull-up resistor.
For signals with GPIO functionality, the open-drain and internal 20 K
Ω
pull-up resistor can be configured by GPIO register
programming. See
Chapter 23
,
GPIO
of the
MSC8144EC Reference Manual
for configuration details.
4.
5.
6.
CAUTION
This device contains circuitry protecting against damage
due to high static voltage or electrical fields; however,
normal precautions should be taken to avoid exceeding
maximum voltage ratings. Reliability is enhanced if unused
inputs are tied to an appropriate logic voltage level (for
example, either GND or V
DD
).
Table 1. Signal List by Ball Number (continued)
Ball
Number
Signal Name
Power-
On
Reset
Value
I/O Multiplexing Mode
2
Ref.
Supply
0 (000)
1 (001)
2 (010)
3 (011)
4 (100)
5 (101)
6 (110)
7 (111)
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