Datasheet

Table Of Contents
Section 6 Bus Controller
Page 136 of 846 REJ09B0140-0900 Rev. 9.00
Sep 16, 2010
H8S/2215 Group
Bus cycle
T
1
T
2
Address bus
φ
CSn
AS
RD
D15 to D8
Invalid
D7 to D0
Valid
Read
HWR
LWR
D15 to D8
D7 to D0
Valid
Write
High
Note: n = 0 to 7
T
3
High impedance
Figure 6.17 Bus Timing for 16-Bit 3-State Access Space (2) (Odd Address Byte Access)