Section 29 Electrical Characteristics
Rev. 3.00 Jan 25, 2006 page 839 of 872
REJ09B0286-0300
29.3.3
Bus Timing
Table 29.9 shows the bus timing. In subclock (
φ
= 32.768 kHz) operation, external expansion
mode operation cannot be guaranteed.
Table 29.9 Bus Timing (1) (Normal Mode and Advanced Mode)
Condition A: V
CC
= 3.0 V to 3.6 V, V
SS
= 0 V,
φ
= 5 MHz to 25 MHz
Condition B: V
CC
= 2.7 V to 3.6 V, V
SS
= 0 V,
φ
= 5 MHz to 20 MHz
Condition A
Condition B
Item
Symbol
Min
Max
Min
Max
Unit
Test
Conditions
Address delay time
t
AD
—
20
—
25
Address setup time
t
AS
0.5
×
t
cyc
–15
—
0.5
×
t
cyc
– 15
—
Address hold time
t
AH
0.5
×
t
cyc
– 10
—
0.5
×
t
cyc
– 10
—
CS
delay time (
IOS
,
CS256
,
CPCS1
,
CPCS2
)
t
CSD
—
15
—
15
AS
delay time
t
ASD
—
15
—
15
RD
delay time 1
t
RSD1
—
15
—
15
RD
delay time 2
t
RSD2
—
15
—
15
Read data setup time t
RDS
15
—
15
—
Read data hold time
t
RDH
0
—
0
—
Read data access
time 1
t
ACC1
—
1.0
×
t
cyc
–
30
—
1.0
×
t
cyc
– 35
Read data access
time 2
t
ACC2
—
1.5
×
t
cyc
–
25
—
1.5
×
t
cyc
– 30
Read data access
time 3
t
ACC3
—
2.0
×
t
cyc
–
30
—
2.0
×
t
cyc
– 35
Read data access
time 4
t
ACC4
—
2.5
×
t
cyc
–
25
—
2.5
×
t
cyc
– 30
Read data access
time 5
t
ACC5
—
3.0
×
t
cyc
–
30
—
3.0
×
t
cyc
– 35
WR
delay time 1
t
WRD1
—
15
—
15
WR
delay time 2
t
WRD2
—
15
—
15
WR
pulse width 1
t
WSW1
1.0
×
t
cyc
– 20
—
1.0
×
t
cyc
– 20
—
WR
pulse width 2
t
WSW2
1.5
×
t
cyc
– 20
—
1.5
×
t
cyc
– 20
—
Write data delay time
t
WDD
—
30
—
35
Write data setup time
t
WDS
0
—
0
—
Write data hold time
t
WDH
10
—
10
—
WAIT
setup time
t
WTS
25
—
25
—
WAIT
hold time
t
WTH
5
—
5
—
ns
Figures
29.9 to
29.14
Summary of Contents for H8S/2158
Page 10: ...Rev 3 00 Jan 25 2006 page viii of lii...
Page 36: ...Rev 3 00 Jan 25 2006 page xxxiv of lii B Product Lineup 863 C Package Dimensions 864 Index 865...
Page 47: ...Rev 3 00 Jan 25 2006 page xlv of lii Appendix Figure C 1 Package Dimensions TBP 112A 864...
Page 54: ...Rev 3 00 Jan 25 2006 page lii of lii...
Page 70: ...Section 1 Overview Rev 3 00 Jan 25 2006 page 16 of 872 REJ09B0286 0300...
Page 118: ...Section 3 MCU Operating Modes Rev 3 00 Jan 25 2006 page 64 of 872 REJ09B0286 0300...
Page 126: ...Section 4 Exception Handling Rev 3 00 Jan 25 2006 page 72 of 872 REJ09B0286 0300...
Page 198: ...Section 6 Bus Controller Rev 3 00 Jan 25 2006 page 144 of 872 REJ09B0286 0300...
Page 326: ...Section 10 8 Bit PWM Timer PWM Rev 3 00 Jan 25 2006 page 272 of 872 REJ09B0286 0300...
Page 440: ...Section 15 Watchdog Timer WDT Rev 3 00 Jan 25 2006 page 386 of 872 REJ09B0286 0300...
Page 606: ...Section 17 I 2 C Bus Interface IIC Rev 3 00 Jan 25 2006 page 552 of 872 REJ09B0286 0300...
Page 742: ...Section 19 Multimedia Card Interface MCIF Rev 3 00 Jan 25 2006 page 688 of 872 REJ09B0286 0300...
Page 750: ...Section 21 D A Converter Rev 3 00 Jan 25 2006 page 696 of 872 REJ09B0286 0300...
Page 768: ...Section 22 A D Converter Rev 3 00 Jan 25 2006 page 714 of 872 REJ09B0286 0300...
Page 770: ...Section 23 RAM Rev 3 00 Jan 25 2006 page 716 of 872 REJ09B0286 0300...
Page 824: ...Section 26 Clock Pulse Generator Rev 3 00 Jan 25 2006 page 770 of 872 REJ09B0286 0300...
Page 844: ...Section 27 Power Down Modes Rev 3 00 Jan 25 2006 page 790 of 872 REJ09B0286 0300...
Page 878: ...Section 28 List of Registers Rev 3 00 Jan 25 2006 page 824 of 872 REJ09B0286 0300...
Page 926: ...Index Rev 3 00 Jan 25 2006 page 872 of 872 REJ09B0286 0300...