參數資料
型號: SMJ320C50GFA
廠商: Texas Instruments, Inc.
元件分類: 數字信號處理
英文描述: DIGITAL SIGNAL PROCESSOR
中文描述: 數字信號處理器
文件頁數: 37/54頁
文件大?。?/td> 614K
代理商: SMJ320C50GFA
SM320VC33, SMJ320VC33
DIGITAL SIGNAL PROCESSOR
SGUS034E - FEBRUARY 2001 - REVISED OCTOBER 2002
37
POST OFFICE BOX 1443
HOUSTON, TEXAS 77251-1443
changing XFx from an input to an output
The following table defines the timing parameter for changing the XFx pin from an input pin to an output pin.
switching characteristics over recommended operating conditions for changing XFx from input to
output mode (see Figure 26)
PARAMETER
MIN
MAX
UNIT
t
d(H3H-XF)
Delay time, H3 high to XFx switching from input to output
3
ns
Execution of
Load of IOF
H3
H1
I/OxFx Bit
(see Note A)
XFx
t
d(H3H-XF)
NOTE A: I/OxFx represents either bit 1 or bit 5 of the IOF register.
Figure 26. Timing for Changing XFx From Input to Output Mode
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