HD64F2149 Datasheet, PDF (183/1035 Pages) Renesas Technology Corp – Hitachi 16-Bit Single-Chip Microcomputer

Bus cycle
T₁
T₂
ø
Address bus
AS/IOS (IOSE = 1)
AS/IOS (IOSE = 0)
RD
Read D15 to D8
Invalid
D7 to D0
HWR
HIgh
Valid
Write
LWR
D15 to D8
Undefined
D7 to D0
Valid
Figure 6.8 16-Bit, 2-State Access Space Bus Timing (2)
(Odd Address Byte Access)
149