TMS320VC5441_15 Datasheet, PDF (76/91 Pages) Texas Instruments – Fixed-Point Digital Signal Processor

Electrical Specifications
5.9.2 McBSP0 General-Purpose I/O Timing
Table 5−11 and Table 5−12 assume testing over recommended operating conditions (see Figure 5−12).
Table 5−11. McBSP0 General-Purpose I/O Timing Requirements
MIN
tsu(BGPIO-COH) Setup time, BGPIOx input mode before CLKOUT high†
7
th(COH-BGPIO) Hold time, BGPIOx input mode after CLKOUT high†
0
† _{BGPIOx refers to x_BCLKR, x_BFSR, x_BDR, x_BCLKX, or x_BFSX when configured as a general-purpose input.}
MAX
UNIT
ns
ns
Table 5−12. McBSP0 General-Purpose I/O Switching Characteristics
PARAMETER
MIN
td(COH-BGPIO)
Delay time, CLKOUT high to BGPIOx output mode‡
−8
‡ _{BGPIOx refers to x_BCLKR, x_BFSR, x_BCLKX, x_BFSX, or x_BDX when configured as a general-purpose output.}
MAX
8
UNIT
ns
tsu(BGPIO-COH)
CLKOUT
BGPIOx Input
Mode†
td(COH-BGPIO)
th(COH-BGPIO)
BGPIOx Output
Mode‡
† _{BGPIOx refers to x_BCLKR, x_BFSR, x_BDR, x_BCLKX, or x_BFSX when configured as a general-purpose input.}
‡ _{BGPIOx refers to x_BCLKR, x_BFSR, x_BCLKX, x_BFSX, or x_BDX when configured as a general-purpose output.}
Figure 5−12. McBSP0 General-Purpose I/O Timings
76 SPRS122F
December 1999 − Revised October 2008