Section 31
Electrical Characteristics
Rev. 1.00 Mar. 12, 2008 Page 1143 of 1178
REJ09B0403-0100
31.3.4
Multiplex Bus Timing
Table 31.9 shows the Multiplex bus interface timing. In subclock (
φ
SUB = 32.768 kHz) operation,
external expansion mode operation cannot be guaranteed.
Table 31.9 Multiplex Bus Timing
Conditions: VCC = 3.0 V to 3.6 V, VSS = 0 V,
φ
= 20 MHz to 34 MHz
Item Symbol
Min..
Max.
Unit
Test
Conditions
Address delay time
t
AD
—
14.7 ns
Figures
31.20,
Address setup time 2
t
AS2
0.5
×
t
cyc
−
14.7 —
31.21
Address hold time 2
t
AH2
0.5
×
t
cyc
−
9.7
—
CS
delay time
(
IOS
,
CS256
)
t
CSD
—
14.7
AH
delay time
t
AHD
—
14.7
RD
delay time 1
t
RSD1
—
14.7
RD
delay time 2
t
RSD2
—
14.7
Read data setup time
t
RDS
14.7
—
Read data hold time
t
RDH
0
—
Read data access time 2 t
ACC2
—
1.5
×
t
cyc
−
24.4
Read data access time 4 t
ACC4
—
2.5
×
t
cyc
−
24.4
Read data access time 6 t
ACC6
—
3.5
×
t
cyc
−
24.4
Read data access time 7 t
ACC7
—
4.5
×
t
cyc
−
24.4
WR
delay time 1
t
WRD1
—
14.7
WR
delay time 2
t
WRD2
—
14.7
WR
pulse width time 1
t
WSW1
1.0
×
t
cyc
−
19.6 —
WR
pulse width time 2
t
WSW2
1.5
×
t
cyc
−
19.6 —
Write data delay time
t
WDD
—
24.4
Write data setup time
t
WDS
0
—
Write data hold time
t
WDH
0.5
×
t
cyc
−
5
—
Summary of Contents for H8S Family
Page 2: ...Rev 1 00 Mar 12 2008 Page ii of xIviii...
Page 8: ...Rev 1 00 Mar 12 2008 Page viii of xIviii...
Page 28: ...Rev 1 00 Mar 12 2008 Page xxviii of xIviii...
Page 48: ...Rev 1 00 Mar 12 2008 Page xlviii of xIviii...
Page 70: ...Section 1 Overview Rev 1 00 Mar 12 2008 Page 22 of 1178 REJ09B0403 0100...
Page 108: ...Section 2 CPU Rev 1 00 Mar 12 2008 Page 60 of 1178 REJ09B0403 0100...
Page 116: ...Section 3 MCU Operating Modes Rev 1 00 Mar 12 2008 Page 68 of 1178 REJ09B0403 0100...
Page 152: ...Section 5 Interrupt Controller Rev 1 00 Mar 12 2008 Page 104 of 1178 REJ09B0403 0100...
Page 206: ...Section 6 Bus Controller BSC Rev 1 00 Mar 12 2008 Page 158 of 1178 REJ09B0403 0100...
Page 420: ...Section 9 14 Bit PWM Timer PWMX Rev 1 00 Mar 12 2008 Page 372 of 1178 REJ09B0403 0100...
Page 476: ...Section 12 Watchdog Timer WDT Rev 1 00 Mar 12 2008 Page 428 of 1178 REJ09B0403 0100...
Page 552: ...Section 14 CRC Operation Circuit CRC Rev 1 00 Mar 12 2008 Page 504 of 1178 REJ09B0403 0100...
Page 712: ...Section 18 I2 C Bus Interface IIC Rev 1 00 Mar 12 2008 Page 664 of 1178 REJ09B0403 0100...
Page 804: ...Section 19 LPC Interface LPC Rev 1 00 Mar 12 2008 Page 756 of 1178 REJ09B0403 0100...
Page 838: ...Section 20 Ethernet Controller EtherC Rev 1 00 Mar 12 2008 Page 790 of 1178 REJ09B0403 0100...
Page 964: ...Section 24 RAM Rev 1 00 Mar 12 2008 Page 916 of 1178 REJ09B0403 0100...
Page 1066: ...Section 25 Flash Memory Rev 1 00 Mar 12 2008 Page 1018 of 1178 REJ09B0403 0100...
Page 1098: ...Section 26 Boundary Scan JTAG Rev 1 00 Mar 12 2008 Page 1050 of 1178 REJ09B0403 0100...
Page 1226: ...Rev 1 00 Mar 12 2008 Page 1178 of 1178 REJ09B0403 0100...
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Page 1230: ...H8S 2472 Group H8S 2462 Group Hardware Manual...