HD64F38024HV Datasheet, PDF (204/684 Pages) Renesas Technology Corp – Hardware Manual Renesas 8-Bit Single-Chip Microcomputer H8 Family/H8/300L Super Low Power Series

Section 6 ROM
Table 6.15 AC Characteristics in Transition from Memory Read Mode to Another Mode
Conditions: V_CC = 3.3 V ±0.3 V, V_SS = 0 V, T_a = 25°C ±5°C
Item
Command write cycle
CE hold time
CE setup time
Data hold time
Data setup time
Write pulse width
WE rise time
WE fall time
Symbol
tnxtc
tceh
tces
tdh
tds
twep
tr
tf
Min
20
0
0
50
50
70
—
—
Max
Unit
Notes
—
µs
Figure 6.14
—
ns
—
ns
—
ns
—
ns
—
ns
30
ns
30
ns
A15−A0
CE
Memory read mode
Address stable
Other mode command write
t_nxtc
t_ces
t_ceh
OE
WE
I/O7−I/O0
t_wep
t_f
t_r
t_ds
t_dh
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. 8.00 Mar. 09, 2010 Page 182 of 658
REJ09B0042-0800