Digital Media System-on-Chip (DMSoC) Product Preview

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PRODUCT PREVIEW
RTCK
TDO
13
8
9
10
TMS320DM355
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 Figure 5-51 )
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
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