IA186EM/IA188EM
Data Sheet
8-Bit/16-Bit Microcontrollers
February 25, 2011
0ns
20ns
40ns
60ns
80ns
100ns
120ns
140ns
clkouta
clkoutA
58
hold
hold
62
hlda
hlda
15
ad[15:0),],den_n
ad15–ad0 (IA186EM den_n
63
ad15–ad0 (IA186EM), s6,
rd_n, wr_n, bhe_n (IA186EM),
s2_n-s1_n,whb_n,wlb_n
dt/r_n, s2_n–s1_n, whb_n,
wlb_n (IA186EM)
Figure 27. Bus Hold Entering
0ns
20ns
40ns
60ns
80ns
100ns
120ns
140ns
clkoutA
clkouta
58
hold
hold
62
hlda
hlda
5
ad15–ad0 (IA186EM), den_n
ad[15:0],den_n
64
ad15–ad0 (IA186EM), s6,
rd_n, wr_n, bhe_n (IA186EM),
s2_n-s1_n,whb_n,wlb_n
dt/r_n, s2_n–s1_n, whb_n,
wlb_n (IA186EM)
Figure 28. Bus Hold Leaving
®
IA211050831-19
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