TMS320VC549 datasheet(51/64 Pages) TI

tên linh kiện	TMS320VC549

Giải thích chi tiết về linh kiện	FIXED-POINT DIGITAL SIGNAL PROCESSOR

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TMS320VC549

FIXEDPOINT DIGITAL SIGNAL PROCESSOR

SPRS078G − SEPTEMBER 1998 − REVISED OCTOBER 2004

POST OFFICE BOX 1443

• HOUSTON, TEXAS 77251−1443

serial-port transmit timing in TDM mode

switching characteristics over recommended operating conditions [H = 0.5tc(CO)] (see Figure 28)

PARAMETER

549-80

549-100

549-120

UNIT

MIN

MAX

th(TCH-TDV)

Hold time, TDAT / TADD valid after TCLK rising edge, TCLK external

th(TCH-TDV)

Hold time, TDAT/TADD valid after TCLK rising edge, TCLK internal

td(TCH-TFV)

Delay time, TFRM valid after TCLK rising edge, TCLK ext†

H − 3

3H+22

td(TCH-TFV)

Delay time, TFRM valid after TCLK rising edge, TCLK int†

H − 3

3H+12

td(TC-TDV)

Delay time, TCLK to valid TDAT/TADD, TCLK ext

td(TC-TDV)

Delay time, TCLK to valid TDAT/TADD, TCLK int

† TFRM timing and waveforms shown in Figure 28 are for internal TFRM. TFRM can also be configured as external. The TFRM external case is

illustrated in the receive timing diagram in Figure 27.

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