TMS320F28069_17 Datasheet, PDF (113/177 Pages) Texas Instruments – Piccolo Microcontrollers

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TMS320F28069, TMS320F28068, TMS320F28067, TMS320F28066
TMS320F28065, TMS320F28064, TMS320F28063, TMS320F28062
SPRS698F – NOVEMBER 2010 – REVISED MARCH 2016
Table 6-43. McBSP Switching Characteristics⁽¹⁾⁽²⁾
over recommended operating conditions (unless otherwise noted)
NO.
PARAMETER
MIN
MAX UNIT
M1 t_c(CKRX)
M2 t_w(CKRXH)
M3 t_w(CKRXL)
M4 t_d(CKRH-FRV)
Cycle time, CLKR/X
Pulse duration, CLKR/X high
Pulse duration, CLKR/X low
Delay time, CLKR high to internal FSR valid
CLKR/X int
CLKR/X int
CLKR/X int
CLKR int
CLKR ext
2P
D – 5 ⁽³⁾
C – 5⁽³⁾
0
3
ns
D + 5⁽³⁾ ns
C + 5⁽³⁾ ns
4
ns
27
M5 t_d(CKXH-FXV)
Delay time, CLKX high to internal FSX valid
CLKX int
CLKX ext
0
4
ns
3
27
M6 t_{dis(CKXH-DXHZ)}
Disable time, CLKX high to DX high impedance
following last data bit
CLKX int
CLKX ext
8
ns
14
Delay time, CLKX high to DX valid.
CLKX int
9
This applies to all bits except the first bit transmitted. CLKX ext
28
M7 t_d(CKXH-DXV)
Delay time, CLKX high to DX valid
CLKX int
DXENA = 0
CLKX ext
8
14 ^ns
Only applies to first bit transmitted when
in Data Delay 1 or 2 (XDATDLY=01b or DXENA = 1
10b) modes
CLKX int
CLKX ext
P+8
P + 14
CLKX int
0
Enable time, CLKX high to DX driven DXENA = 0
CLKX ext
6
M8 t_en(CKXH-DX)
Only applies to first bit transmitted when
CLKX int
P
ns
in Data Delay 1 or 2 (XDATDLY=01b or DXENA = 1
10b) modes
CLKX ext
P+6
M9 t_d(FXH-DXV)
Delay time, FSX high to DX valid
DXENA = 0
Only applies to first bit transmitted when
in Data Delay 0 (XDATDLY=00b) mode.
DXENA = 1
FSX int
FSX ext
FSX int
FSX ext
8
14
ns
P+8
P + 14
FSX int
0
Enable time, FSX high to DX driven
DXENA = 0
FSX ext
6
M10 t_en(FXH-DX)
Only applies to first bit transmitted when
in Data Delay 0 (XDATDLY=00b) mode
DXENA = 1
FSX int
FSX ext
P
P+6
ns
(1) Polarity bits CLKRP = CLKXP = FSRP = FSXP = 0. If the polarity of any of the signals is inverted, then the timing references of that
signal are also inverted.
(2) 2P = 1/CLKG in ns.
(3) C = CLKRX low pulse width = P
D = CLKRX high pulse width = P
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Detailed Description 113
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