參數(shù)資料
型號(hào): DSP56858FVE
廠商: 飛思卡爾半導(dǎo)體(中國)有限公司
英文描述: 16-bit Digital Signal Controllers
中文描述: 16位數(shù)字信號(hào)控制器
文件頁數(shù): 9/64頁
文件大?。?/td> 956K
代理商: DSP56858FVE
Introduction
56858 Technical Data, Rev. 6
Freescale Semiconductor
9
Part 3 Signals and Package Information
All digital inputs have a weak internal pull-up circuit associated with them. These pull-up circuits are
enabled by default. Exceptions:
1. When a pin has GPIO functionality, the pull-up may be disabled under software control.
2. MODE A, MODE B and MODE C pins have no pull-up.
3. TCK has a weak pull-down circuit always active.
4. Bidirectional I/O pullups automatically disable when the output is enabled.
This table is presented consistently with the
Signals Identified by Functional Group
figure.
1.
BOLD
entries in the
Type
column represents the state of the pin just out of reset.
2. Output(Z) means an output in a High-Z condition.
Table 3-1 56858 Signal and Package Information for the 144-pin LQFP and MAPBGA
Signal
Name
BGA
Pin No.
LQFP
Pin No.
Type
Description
V
DD
E1
14
V
DD
Logic Power (V
DD
)
—These pins provide power to the internal
structures of the chip, and should all be attached to V
DD
.
V
DD
M6
36
V
DD
F12
52
V
DD
A9
72
V
DD
M2
87
V
DD
J12
88
V
DD
E12
109
V
DD
A12
125
V
SS
G1
15
V
SS
Logic Power–Ground (V
SS
)
—These pins provide grounding for the
internal structures of the chip and should all be attached to V
SS.
V
SS
L6
16
V
SS
D12
53
V
SS
A7
54
V
SS
F1
71
V
SS
M7
89
V
SS
K12
126
V
SS
A8
127
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