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3.18
JTAG TIMING
No.
500
TCK frequency of operation (1/(T
501
TCK cycle time in Crystal mode
502
TCK clock pulse width measured at 1.5 V
503
TCK rise and fall times
504
Boundary scan input data setup time
505
Boundary scan input data hold time
506
TCK low to output data valid
507
TCK low to output high impedance
508
TMS, TDI data setup time
509
TMS, TDI data hold time
510
TCK low to TDO data valid
511
TCK low to TDO high impedance
= 1.8 V ± 0.09 V; T
Note:
1.
V
CC
2.
All timings apply to OnCE module data transfers because it uses the JTAG port as an
interface.
TCK
(Input)
Figure 3-39 Test Clock Input Timing Diagram
MOTOROLA
Figure 3-38 GPIO Timing
Table 3-26 JTAG Timing
Characteristics
× 3); maximum 22 MHz)
C
= 0°C to +95°C, C
J
502
V
V
M
IH
V
IL
503
DSP56367
All frequencies
Min
Max
0.0
22.0
45.0
—
20.0
—
0.0
3.0
5.0
—
24.0
—
0.0
40.0
0.0
40.0
5.0
—
25.0
—
0.0
44.0
0.0
44.0
= 50 pF
L
501
502
V
M
503
Specifications
JTAG Timing
Unit
MHz
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
AA0496
3-75
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