Texas Instruments TMS320DM355 Manuale Utente
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PRODUCT PREVIEW
RTCK
TDO
13
8
9
10
TMS320DM355
Digital Media System-on-Chip (DMSoC)
Digital Media System-on-Chip (DMSoC)
SPRS463A – SEPTEMBER 2007 – REVISED SEPTEMBER 2007
Table 5-49. Switching Characteristics Over Recommended Operating Conditions for JTAG Test Port
(see
)
DM355
NO.
PARAMETER
UNIT
MIN
MAX
8
t
c(RTCK)
Cycle time, RTCK
20
ns
9
tw(RTCKH)
Pulse duration, RTCK high
10
10
tw(RTCKL)
Pulse duration, RTCK low
10
11
t
r(all JTAG outputs)
Rise time, all JTAG outputs
1.3
ns
12
t
f(all JTAG outputs)
Fall time, all JTAG outputs
1.3
ns
0.25*tc(RT
13
t
d(RTCKL-TDOV)
Delay time, TCK low to TDO valid
0
ns
CK)
Figure 5-52. JTAG Output Timing
150
Peripheral Information and Electrical Specifications