SMJ320C6701_07 Datasheet, PDF (60/64 Pages) Texas Instruments – FLOATING-POINT DIGITAL SIGNAL PROCESSOR

SMJ320C6701
FLOATINGĆPOINT DIGITAL SIGNAL PROCESSOR
SGUS030B – APRIL 2000 – REVISED MAY 2001
JTAG TEST-PORT TIMING
timing requirements for JTAG test port (see Figure 40)
NO.
1 tc(TCK)
Cycle time, TCK
3 tsu(TDIV-TCKH) Setup time, TDI/TMS/TRST valid before TCK high
4 th(TCKH-TDIV) Hold time, TDI/TMS/TRST valid after TCK high
switching characteristics for JTAG test port (see Figure 40)
NO.
PARAMETER
2 td(TCKL-TDOV) Delay time, TCK low to TDO valid
*This parameter is not tested.
’C6701-14
’C6701-16
MIN MAX
35
10
9
UNIT
ns
ns
ns
’C6701-14
’C6701-16
MIN MAX
*–3 *15
UNIT
ns
TCK
TDO
TDI/TMS/TRST
1
2
2
4
3
Figure 40. JTAG Test-Port Timing
60
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