参数资料
型号: TMS320C542PGE-40
厂商: TEXAS INSTRUMENTS INC
元件分类: 数字信号处理
英文描述: 16-BIT, 100 MHz, OTHER DSP, PQFP144
封装: PLASTIC, QFP-144
文件页数: 111/111页
文件大小: 1467K
代理商: TMS320C542PGE-40
TMS320C54x, TMS320LC54x, TMS320VC54x
FIXED-POINT DIGITAL SIGNAL PROCESSORS
SPRS039C – FEBRUARY 1996 – REVISED DECEMBER 1999
99
POST OFFICE BOX 1443
HOUSTON, TEXAS 77251–1443
serial-port transmit timing in TDM mode
switching characteristics over recommended operating conditions for serial-port transmit in TDM
mode [H = 0.5tc(CO)] (see Figure 39)
PARAMETER
’542
’543
’C54x-40
’LC54x-40
’LC54x-50
UNIT
MIN
MAX
MIN
MAX
th(TCH-TDV)
Hold time, TDAT / TADD valid after TCLK rising edge, TCLK external
3
0
ns
th(TCH-TDV)
Hold time, TDAT/TADD valid after TCLK rising edge, TCLK internal
1
– 5
ns
t
Delay time, TFRM valid after TCLK rising edge TCLK ext
H – 3
3H + 22
H – 3
3H + 22
ns
td(TCH-TFV)
Delay time, TFRM valid after TCLK rising edge, TCLK int
H – 3
3H + 12
H – 3
3H + 12
ns
td(TC TDV)
Delay time, TCLK to valid TDAT/TADD, TCLK ext
18
25
ns
td(TC-TDV)
Delay time, TCLK to valid TDAT/TADD, TCLK int
18
ns
TFRM timing and waveforms shown in Figure 39 are for internal TFRM. TFRM can also be configured as external. The TFRM external case is
illustrated in the receive timing diagram in Figure 38.
switching characteristics over recommended operating conditions for serial-port transmit in TDM
mode [H = 0.5tc(CO)] (see Figure 39)
PARAMETER
’54x-66
UNIT
PARAMETER
MIN
MAX
UNIT
th(TCH-TDV)
Hold time, TDAT / TADD valid after TCLK rising edge, TCLK external
1
ns
th(TCH-TDV)
Hold time, TDAT/TADD valid after TCLK rising edge, TCLK internal
1
ns
t
Delay time, TFRM valid after TCLK rising edge, TCLK ext
H – 3
3H+22
ns
td(TCH-TFV)
Delay time, TFRM valid after TCLK rising edge, TCLK int
H – 3
3H+12
ns
td(TC TDV)
Delay time, TCLK to valid TDAT/TADD, TCLK ext
25
ns
td(TC-TDV)
Delay time, TCLK to valid TDAT/TADD, TCLK int
18
ns
TFRM timing and waveforms shown in Figure 39 are for internal TFRM. TFRM can also be configured as external. The TFRM external case is
illustrated in the receive timing diagram in Figure 38.
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