HD64F3039F18 Datasheet, PDF (505/710 Pages) Renesas Technology Corp – Renesas 16-Bit Single-Chip Microcomputer H8 Family / H8/300H Series

Section 15 ROM
Table 15.15 AC Characteristics in Transition from Memory Read Mode to Another Mode
Conditions: V_CC = 5.0 V ±10%, 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
t_nxtc
t_ceh
t_ces
t_dh
t_ds
t_wep
t_r
t_f
Min
20
0
0
50
50
70
—
—
Max Unit Notes
—
µs
—
ns
—
ns
—
ns
—
ns
—
ns
30
ns
30
ns
A16–A0
CE
OE
WE
I/O7–I/O0
Memory read mode
Address stable
Another mode command write
t_nxtc
t_ces
t_ceh
t_f
t_wep
t_r
t_ds
t_dh
Note: Do not enable WE and OE simultaneously.
Figure 15.19 Transition From Memory Read Mode to Another Mode
Rev.3.00 Mar. 26, 2007 Page 481 of 682
REJ09B0353-0300