HD6412320 RENESAS [Renesas Technology Corp], HD6412320 Datasheet - Page 814

• Manufacturer Part Number: HD6412320
• Description: Renesas 16-Bit Single-Chip Microcomputer H8S Family H8S-2300 Series
• Manufacturer: RENESAS [Renesas Technology Corp]

Section 19 ROM
AC Characteristics
Table 19.19 AC Characteristics in Auto-Program Mode
Conditions: V
Item
Command write cycle
CE hold time
CE setup time
Data hold time
Data setup time
Write pulse width
Status polling start time
Status polling access time
Address setup time
Address hold time
Memory write time
WE rise time
WE fall time
Rev.6.00 Sep. 27, 2007 Page 784 of 1268
REJ09B0220-0600
I/O
A
5
18
to I/O
to A
I/O
I/O
WE
OE
CE
0
7
6
0
CC
= 3.3 V ±0.3 V, V
t
Figure 19.25 Auto-Program Mode Timing Waveforms
ces
t
f
t
ds
t
wep
H'40
Symbol
t
t
t
t
t
t
t
t
t
t
t
t
t
t
nxtc
ceh
ces
dh
ds
wep
wsts
spa
as
ah
write
r
f
ceh
t
r
t
dh
SS
t
nxtc
= 0 V, T
Address stable
t
as
a
= 25°C ±5°C
Min
20
0
0
50
50
70
1
—
0
60
1
—
—
1 byte to 128 bytes
t
ah
Data transfer
Max
—
—
—
—
—
—
—
150
—
—
3000
30
30
t
wsts
t
write
t
spa
H'00
Programming operation
end identification signal
Programming normal
end identification signal
Unit
µs
ns
ns
ns
ns
ns
ms
ns
ns
ns
ms
ns
ns
t
nxtc