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HD64F2145 Datasheet, PDF (729/829 Pages) Renesas Technology Corp – Hitachi 16-Bit Single-Chip Microcomputer
Bus Timing: Table 28.7 shows the bus timing. Operation in external expansion mode is not
guaranteed when operating on the subclock (ø = 32.768 kHz).
Table 28.7 Bus Timing (1) (Normal Mode)
Conditions: VCC = 2.7 V to 3.6 V, VCCB = 2.7 V to 5.5 V, VSS = 0 V, ø = 2 MHz to maximum
operating frequency, Ta = –20 to +75°C
Item
Address delay time
Address setup time
Address hold time
&6 delay time (,26)
$6 delay time
5' delay time 1
5' delay time 2
Read data setup time
Read data hold time
Read data access time 1
Read data access time 2
Read data access time 3
Read data access time 4
Read data access time 5
+:5, /:5 delay time 1
+:5, /:5 delay time 2
+:5, /:5 pulse width 1
+:5, /:5 pulse width 2
Write data delay time
Write data setup time
Write data hold time
:$,7 setup time
:$,7 hold time
Condition
10 MHz
Symbol Min
Max
tAD
tAS
tAH
tCSD
t
ASD
tRSD1
tRSD2
tRDS
tRDH
t
ACC1
tACC2
tACC3
tACC4
tACC5
t
WRD1
t
WRD2
tWSW1
tWSW2
tWDD
t
WDS
t
WDH
t
WTS
tWTH
—
0.5 × tcyc – 30
0.5 × tcyc – 20
—
—
—
—
35
0
—
—
—
—
—
—
—
1.0 × tcyc – 40
1.5 × tcyc – 40
—
0
20
60
10
40
—
—
40
60
60
60
—
—
1.0
×
t
cyc
–
60
1.5 × tcyc – 50
2.0 × tcyc – 60
2.5 × tcyc – 50
3.0 × tcyc – 60
60
60
—
—
60
—
—
—
—
Unit
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
Test
Conditions
Figures 28.11
to 28.15
Rev. 2.0, 08/02, page 689 of 788