TMS320VC5416
Fixed-Point Digital Signal Processor
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SPRS095O–MARCH 1999–REVISED JANUARY 2005
5.5.10.2 McBSP General-Purpose I/O Timing
Table 5-22 and Table 5-23 assume testing over recommended operating conditions (see Figure 5-23).
Table 5-22. McBSP General-Purpose I/O Timing Requirements
5416-120
5416-160
UNIT
MIN
7
MAX
tsu(BGPIO-COH)
th(COH-BGPIO)
Setup time, BGPIOx input mode before CLKOUT high(1)
Hold time, BGPIOx input mode after CLKOUT high(1)
ns
ns
0
(1) BGPIOx refers to BCLKRx, BFSRx, BDRx, BCLKXx, or BFSXx when configured as a general-purpose input.
Table 5-23. McBSP General-Purpose I/O Switching Characteristics
5416-120
5416-160
PARAMETER
UNIT
MIN
MAX
td(COH-BGPIO)
Delay time, CLKOUT high to BGPIOx output mode(1)
– 2
4
ns
(1) BGPIOx refers to BCLKRx, BFSRx, BDRx, BCLKXx, or BFSXx when configured as a general-purpose output.
t
t
su(BGPIO-COH)
d(COH-BGPIO)
CLKOUT
t
h(COH-BGPIO)
BGPIOx Input Mode
(see Note A)
BGPIOx Output Mode
(see Note B)
A. BGPIOx refers to BCLKRx, BFSRx, BDRx, BCLKXx, or BFSXx when configured as a general-purpose input.
B. BGPIOx refers to BCLKRx, BFSRx, BCLKXx, BFSXx, or BDXx when configured as a general-purpose output.
Figure 5-23. McBSP General-Purpose I/O Timings
Electrical Specifications
81
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