Renesas H8 Series Hardware Manual page 222

Section 6 ROM
Table 6.15 AC Characteristics in Transition from Memory Read Mode to Another Mode
Conditions: V = 3.3 V ±0.3 V, V
CC
Item
Command write cycle
hold time
C E
setup time
C E
Data hold time
Data setup time
Write pulse width
rise time
W E
fall time
W E
A15−A0
CE
OE
WE
I/O7−I/O0
Note: Do not enable WE and OE at the same time.
Figure 6.14 Timing Waveforms in Transition from Memory Read Mode to Another Mode
Rev. 7.00 Mar 10, 2005 page 180 of 652
REJ09B0042-0700
= 0 V, T = 25°C ±5°C
SS a
Symbol Min
t 20
nxtc
t 0
ceh
t 0
ces
t 50
dh
t 50
ds
t 70
wep
t —
r
t —
f
Memory read mode
Address stable
t
nxtc
Max Unit
— µs
— ns
— ns
— ns
— ns
— ns
30 ns
30 ns
Other mode command write
t
t
ces
ceh
t
wep
t
f
t
ds
Notes
Figure 6.14
t
r
t
dh