Motorola TMS320C6711D Uživatelský manuál stáhnout pdf (Strana 102)

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SPRS292 − OCTOBER 2005

102

POST OFFICE BOX 1443 • HOUSTON, TEXAS 77251−1443

JTAG TEST-PORT TIMING

timing requirements for JTAG test port (see Figure 54)

NO.

GDPA−167

ZDPA−167

−200

−250

UNIT

MIN MAX

1 t

c(TCK)

Cycle time, TCK 35 ns

3 t

su(TDIV-TCKH)

Setup time, TDI/TMS/TRST valid before TCK high 10 ns

4 t

h(TCKH-TDIV)

Hold time, TDI/TMS/TRST valid after TCK high 7 ns

switching characteristics over recommended operating conditions for JTAG test port

(see Figure 54)

NO. PARAMETER

GDPA−167

ZDPA−167

−200

−250

UNIT

MIN MAX

2 t

d(TCKL-TDOV)

Delay time, TCK low to TDO valid 0 15 ns

TCK

TDO

TDI/TMS/TRST

Figure 54. JTAG Test-Port Timing

1 2 ... 97 98 99 100 101 102 103 104 105 106 107

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Motorola TMS320C6711D Uživatelský manuál Strana 102