參數(shù)資料
型號: DSP5685xUM
廠商: 飛思卡爾半導體(中國)有限公司
英文描述: 16-bit Digital Signal Controllers
中文描述: 16位數(shù)字信號控制器
文件頁數(shù): 10/60頁
文件大?。?/td> 836K
代理商: DSP5685XUM
56854 Technical Data, Rev. 6
10
Freescale Semiconductor
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. 56854 Signal and Package Information for the 128-pin LQFP
Pin No.
Signal Name
Type
Description
13
V
DD
V
DD
Power (V
DD
)
—These pins provide power to the internal structures
of the chip, and should all be attached to V
DD.
47
V
DD
64
V
DD
79
V
DD
80
V
DD
112
V
DD
14
V
SS
V
SS
Ground (V
SS
)
—These pins provide grounding for the internal
structures of the chip and should all be attached to V
SS.
48
V
SS
63
V
SS
81
V
SS
96
V
SS
113
V
SS
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