參數(shù)資料
型號(hào)： DSP56F805
廠商： 飛思卡爾半導(dǎo)體(中國(guó))有限公司
英文描述： 16-bit Hybrid Controller(16位混合控制器)
中文描述： 16位混合控制器（16位混合控制器）
文件頁(yè)數(shù)： 8/48頁(yè)
文件大?。?/td> 967K
代理商： DSP56F805
8
56F805 Technical Data
2.2 Power and Ground Signals
2.3 Clock and Phase Locked Loop Signals
Table 3. Power Inputs
No. of Pins
Signal Name
Signal Description
8
V
DD
Power
—These pins provide power to the internal structures of the chip, and
should all be attached to V
DD.
1
V
DDA
Analog Power
—This pin is a dedicated power pin for the analog portion of the
chip and should be connected to a low noise 3.3V supply.
Table 4. Grounds
No. of Pins
Signal Name
Signal Description
7
V
SS
GND
—These pins provide grounding for the internal structures of the chip, and
should all be attached to V
SS.
1
V
SSA
Analog Ground
—This pin supplies an analog ground.
1
TCS
TCS
—This Schmitt pin is reserved for factory use and must be tied to V
SS
for
normal use. In block diagrams, this pin is considered an additional V
SS.
Table 5. Supply Capacitors and VPP
No. of
Pins
Signal
Name
Signal
Type
State During
Reset
Signal Description
2
VCAPC
Supply
Supply
VCAPC
—Connect each pin to a 2.2
μ
F or greater bypass
capacitor in order to bypass the core logic voltage regulator,
required for proper chip operation. For more information,
please refer to
Section 5.2
.
1
VPP
Input
Input
VPP
—This pin should be left unconnected as an open circuit
for normal functionality.
Table 6. PLL and Clock
No. of
Pins
Signal
Name
Signal
Type
State During
Reset
Signal Description
1
EXTAL
Input
Input
External Crystal Oscillator Input
—This input should be
connected to an 8MHz external crystal or ceramic resonator. For
more information, please refer to
Section 3.5
.
1
XTAL
Input/
Output
Chip-driven
Crystal Oscillator Output
—This output should be connected to
an 8MHz external crystal or ceramic resonator. For more
information, please refer to
Section 3.5
.
This pin can also be connected to an external clock source. For
more information, please refer to
Section 3.5.3
.
F
Freescale Semiconductor, Inc.
For More Information On This Product,
Go to: www.freescale.com
n
.
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