DSP56721 Freescale Semiconductor, Inc, DSP56721 Datasheet - Page 33

• Manufacturer Part Number: DSP56721
• Description: Dsp56721 Multi-core Audio Processor
• Manufacturer: Freescale Semiconductor, Inc

2.2.7
See
Freescale Semiconductor
Table 16
Notes:
No.
105
106
107
No.
108
109
110
111
112
113
114
115
1.
for joint test action group (JTAG) timing parameters, and
JTAG Timing
Minimum GPIO pulse low width
GPIO out rise time
GPIO out fall time
V
(Output)
(Output)
CORE_VDD
TCK frequency of operation (1/(T
TCK cycle time in Crystal mode
TCK clock pulse width measured at 1.65 V
TCK rise and fall times
Boundary scan input data setup time
Boundary scan input data hold time
TCK low to output data valid
TCK low to output high impedance
Input)
GPIO
GPIO
GPIO
Fsys
Symphony
= 1.0 V ± 0.10 V; T
Table 15. GPIO Timing (Continued)Parameters
TM
Characteristics
Characteristics
DSP56720 / DSP56721 Multi-Core Audio Processors, Rev. 3
102
J
106
Table 16. JTAG Timing Parameters
= -40°C to 125°C; C
Figure 25. GPIO Timing Diagram
C
× 3); maximum 10 MHz)
Valid
1
104
L
= 50 pF
103
Figure
26,
105
Expression
107
Figure
2 x TC
100.0
50.0
15.0
24.0
Min
All Frequencies
—
—
—
—
—
—
27, and
101
100
Figure 28
Min
Max
10.0
40.0
40.0
10
—
—
3.0
—
—
—
—
for timing diagrams.
Max
13.0
13.0
—
MHz
Unit
ns
ns
ns
ns
ns
ns
ns
Unit
ns
ns
ns
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