Datasheet

Table Of Contents
Section 6 Bus Controller
REJ09B0140-0900 Rev. 9.00 Page 131 of 846
Sep 16, 2010
H8S/2215 Group
8-Bit 3-State Access Space (Area 6): Figure 6.12 shows the bus timing for area 6. When area 6 is
accessed, the data bus cannot be used.
Wait states cannot be inserted.
T
1
T
2
CS6
AS
RD
D15 to D8
D7 to D0
HWR
LWR
(16-bit bus
mode)
LWR
(8-bit bus
mode)
D15 to D8
D7 to D0
Write
Invalid
Invalid
High
High impedance
High impedance
High impedance
Read
T
3
Bus cycle
Address bus
φ
Figure 6.12 Bus Timing for Area 6