参数资料
型号: SM320C30HFGM50
厂商: TEXAS INSTRUMENTS INC
元件分类: 数字信号处理
英文描述: 32-BIT, 50 MHz, OTHER DSP, CQFP196
封装: NONCONDUCTIVE TIE BAR, CERAMIC, QFP-196
文件页数: 15/48页
文件大小: 874K
代理商: SM320C30HFGM50
SMJ320C30
DIGITAL SIGNAL PROCESSOR
SGUS014H -- FEBRUARY 1991 -- REVISED JUNE 2004
22
POST OFFICE BOX 1443
HOUSTON, TEXAS 77251--1443
XF0 and XF1 timing when executing LDFI or LDII
The following table defines the timing parameters for XF0 and XF1 during execution of LDFI or LDII.
timing parameters for XF0 and XF1 when executing LDFI or LDII (see Figure 14)
NO
320C30-40
320C30-50
UNIT
NO.
MIN
MAX
MIN
MAX
UNIT
38
td(H3H-XF0L)
Delay time, H3 high to XF0 low
13
12
ns
39
tsu(XF1-H1L)
Setup time, XF1 valid before H1 low
9
ns
40
th(H1L-XF1)
Hold time, XF1 after H1 low
0
ns
Numbers in this column match those used in Figure 14.
H3
H1
(M)STRB
(X)R/W
(X)A
(X)D
(X)RDY
XF0
XF1
Fetch
LDFI or LDII
Decode
Read
Execute
38
39
40
Figure 14. Timing for XF0 and XF1 When Executing LDFI or LDII
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