ꢀ ꢁꢂ ꢃꢄ ꢅꢆ ꢃꢅ
ꢇꢈ ꢉꢈ ꢊꢋꢌ ꢀꢈ ꢉ ꢍꢋꢌ ꢎꢏ ꢐ ꢆꢑ ꢀ ꢀꢐ ꢏ
SGUS014H − FEBRUARY 1991 − REVISED JUNE 2004
XF0 timing when executing STFI and STII
The following table defines the timing parameters for the XF0 pin during execution of STFI or STII.
timing parameters for XF0 when executing STFI or STII (see Figure 15)
320C30-40
MIN MAX
13
320C30-50
MIN MAX
12
†
NO.
UNIT
41
t
Delay time, H3 high to XF0 high
ns
d(H3H-XF0H)
†
The number in this column matches that used in Figure 15.
Fetch
STFI or STII
Decode
Read
Execute
H3
H1
(M)STRB
(X)R/W
(X)A
(X)D
(X)RDY
XF0
41
Figure 15. Timing for XF0 When Executing an STFI or STII
23
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