Техническая Спецификация для Texas Instruments TMS320C6472 Evaluation Module TMDSEVM6472LE TMDSEVM6472LE
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Модели
TMDSEVM6472LE
PRODUCTPREVIEW
2
1
3
4
TCLK
TDO
TDI/TMS
3
TCLK
EMUn
1
2
4
SPRS612G
–
JUNE 2009
–
REVISED JULY 2011
7.20.3.3 JTAG Electrical Data/Timing
Table 7-155. Timing Requirements for JTAG
(see
500/625/700
NO.
UNIT
MIN
MAX
1
t
c(TCLK)
Cycle time, TCLK
23.255
(1)
ns
3
t
su(TDIV-TCLKH)
Setup time, TDI/TMS/TRST valid before TCLK high
3
ns
4
t
h(TCLKH-TDIV)
Hold time, TDI/TMS/TRST valid after TCLK high
6
(2)
ns
(1)
Fully-synchronous design removes maximum clock period limitations.
(2)
Hold time measured from rising edge.
Table 7-156. Switching Characteristics Over Recommended Operating Conditions for JTAG
(see
500/625/700
NO.
UNIT
MIN
MAX
2
t
d(TCLKL-TDOV)
Delay time, TCLK low to TDO valid
0
12
ns
Figure 7-68. JTAG Timing
Table 7-157. Timing Requirements for HS-RTDX
(see
500/625/700
NO.
UNIT
MIN
MAX
1
t
c(TCLK)
Cycle time, TCLK
10
20
ns
2
t
su(TCLKH-EMUn)
Setup time, EMUn input valid before TCLK high
1.5
ns
3
t
h(TCLKH-EMUn)
Hold time, EMUn input valid after TCLK high
3.0
ns
4
t
d(TCLKH-EMUn)
Delay time, TCLK high to EMUn output valid
3.0
t
c(TCLK)
- 3.5
ns
Figure 7-69. HS-RTDX Timing
Copyright
©
2009
–
2011, Texas Instruments Incorporated
C64x+ Peripheral Information and Electrical Specifications
263
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