SM320C6713-EP_1 Datasheet, PDF (124/131 Pages) Texas Instruments – FLOATING-POINT DIGITAL SIGNAL PROCESSORS

SM320C6713-EP
SM320C6713B-EP
SGUS049I – AUGUST 2003 – REVISED SEPTEMBER 2009
www.ti.com
Table 11-35. Switching Characteristics for McBSP as SPI Master or Slave:
CLKSTP = 11b, CLKXP = 1
over recommended operating conditions (see )
6713
6713B
NO.
PARAMETER
MASTER
SLAVE
MASTER
SLAVE
MIN MAX
MIN
MAX MIN MAX MIN
MAX
1 t_h(CKXH-FXL)
Hold time, FSX low after CLKX
high
H– H+
2
3
H–
2
T+3
2 t_d(FXL-CKXL)
3 t_d(CKXH-DXV)
Delay time, FSX low to CLKX low T – 2 T + 3
Delay time, CLKX high to DX
valid
–3
4
T–2
6P + 2 10P + 17 –3
H+3
4 6P + 2 10P + 17
Disable time, DX high impedance
6 t_{dis(CKXH-DXHZ)} following last data bit from CLKX – 3.6
high
4
6P +
1.5
10P + 17
–2
4 6P + 3 10P + 17
7 t_d(FXL-DXV)
Delay time, FSX low to DX valid L – 2 L + 4 4P + 2 8P + 17 L – 2 L + 6.5 4P + 2 8P + 17
UNIT
ns
ns
ns
ns
ns
CLKX
FSX
DX
DR
1
2
6
Bit 0
Bit 0
7
Bit(n-1)
4
Bit(n-1)
3
(n-2)
5
(n-2)
(n-3)
(n-4)
(n-3)
(n-4)
Figure 11-40. McBSP as SPI Master or Slave: CLKSTP = 11b, CLKXP = 1
124 PARAMETRIC INFORMATION
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