參數(shù)資料
型號: SM320C30HFGM50
廠商: TEXAS INSTRUMENTS INC
元件分類: 數(shù)字信號處理
英文描述: 32-BIT, 50 MHz, OTHER DSP, CQFP196
封裝: NONCONDUCTIVE TIE BAR, CERAMIC, QFP-196
文件頁數(shù): 20/48頁
文件大小: 874K
代理商: SM320C30HFGM50
SMJ320C30
DIGITAL SIGNAL PROCESSOR
SGUS014H -- FEBRUARY 1991 -- REVISED JUNE 2004
27
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.
timing parameters of XFx changing from input to output mode (see Figure 19)
NO
320C30-40
320C30-50
UNIT
NO.
MIN
MAX
MIN
MAX
UNIT
49
td(H3H-XFIO)
Delay time, H3 high to XF switching from input to output
17
ns
The number in this column matches that used in Figure 19.
Execution of
Load of IOF
49
H3
H1
I/OXFx Bit
(see Note A)
XFx
(see Note A)
NOTE A: I/OXFx represents either bit 1 or bit 5 of the IOF register, and INXFx represents either bit 3 or bit 7 of the IOF register depending on
whether XF0 or XF1, respectively, is being affected.
Figure 19. Timing for Change of XFx From Input to Output Mode
相關(guān)PDF資料
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