dsp56167 Freescale Semiconductor, Inc, dsp56167 Datasheet - Page 10
dsp56167
Manufacturer Part Number
dsp56167
Description
Advance Information 16-bit Digital Signal Processor
Manufacturer
Freescale Semiconductor, Inc
Datasheet
1.DSP56167.pdf
(110 pages)
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Signal/Pin Descriptions
Ground
GROUND
1-4
GND
V
V
V
V
V
V
Ground Names
SSA/D
SSC
SSQ
SSPB
SSA
SSPC
S
(4)
Synthesizer Ground—This line supplies a dedicated quiet ground connection
for the PLL and clock circuits and must remain relatively noise-free to ensure
stable PLL frequency and performance. Ensure that this line connects through
an extremely low impedance path to ground. Use a 0.1 F capacitor and a 0.01
the V
Address and Data Bus Ground—These lines connect system ground to the
address bus.
Bus Control Ground—This line connects ground to the bus control logic.
Quiet Ground—These lines supply a quiet ground connection for the internal
logic circuits. Ensure that this line connects through an extremely low
impedance path to ground. Use a 0.1 F bypass capacitor located as close as
possible to the chip package to connect between the V
Port B Host Interface Ground—These lines supply ground connections for the
Port B HI logic.
Codec Power—This line supplies a ground connection to the codec logic.
Port C Power—This line supplies a ground connection to the SSI and Timer
logic.
F capacitor located as close as possible to the chip package to connect between
DDS
line and the GND
DSP56167/D, Rev. 1
Table 1-3 Ground
S
line.
Description
DDQ
line and the V
MOTOROLA
SSQ
line.
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