HD6432621 Hitachi, HD6432621 Datasheet - Page 781

• Manufacturer Part Number: HD6432621
• Description: (HD64F262x Series) 16-Bit Microcomputer
• Manufacturer: Hitachi

22.3.3
Table 22-6 lists the bus timing.
Table 22-6 Bus Timing
Conditions: V
Item
Address delay time
Address setup time
Address hold time
AS delay time
RD delay time 1
RD delay time 2
Read data setup time
Read data hold time
Read data access
time1
Read data access
time2
Read data access
time3
Read data access
time 4
Read data access
time 5
WR delay time 1
WR delay time 2
WR pulse width 1
WR pulse width 2
Write data delay time
Write data setup time
Write data hold time
WAIT setup time
WAIT hold time
Bus Timing
V
+75°C (regular specifications), T
CC
ref
= 4.5 V to AV
= PLLV
Symbol
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
AD
AS
AH
ASD
RSD1
RSD2
RDS
RDH
ACC1
ACC2
ACC3
ACC4
ACC5
WRD1
WRD2
WSW1
WSW2
WDD
WDS
WDH
WTS
WTH
CC
= 3.0 V to 3.6 V, PV
CC
, V
SS
Min
—
0.5
0.5
—
—
—
15
0
—
—
—
—
—
—
—
1.0
1.5
—
0.5
0.5
30
5
= AV
t
t
t
t
t
t
cyc
cyc
cyc
cyc
cyc
cyc
SS
a
– 20 —
– 15 —
– 20 —
– 20 —
– 20 —
– 10 —
= 0 V, ø = 32.768 kHz, 4 to 20 MHz, T
= –40°C to +85°C (wide-range specifications)
CC
= 4.5 V to 5.5 V, AV
Max
25
20
20
20
—
—
1.0
1.5
2.0
2.5
3.0
20
20
30
—
—
t
t
t
t
t
cyc
cyc
cyc
cyc
cyc
– 35 ns
– 25 ns
– 35 ns
– 25 ns
– 35 ns
Unit
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
CC
= 4.5 V to 5.5 V,
— Preliminary —
Test Conditions
Figure 22-6 to
Figure 22-10
Figure 22-8
a
= –20°C to
737