h8s-2158 Renesas Electronics Corporation., h8s-2158 Datasheet - Page 180

• Manufacturer Part Number: h8s-2158
• Description: Renesas 16-bit Single-chip Microcomputer H8s Family/h8s/2100 Series
• Manufacturer: Renesas Electronics Corporation.

Section 6 Bus Controller
Rev. 3.00 Jan 25, 2006 page 128 of 872
REJ09B0286-0300
CPCS1 (CPCSE = 1 and CFE = 0)
Figure 6.8 Bus Timing for 16-Bit, 2-State Access Space (Odd Byte Access)
Note: * For external address space access, this signal is not output when the 256-kbyte expansion area
Read
Write
CS256 (CS256E = 1)
AS/IOS (IOSE = 0)
AS/IOS (IOSE = 1)
is accessed with CS256E = 1 and when the CP/CF expansion area is accessed with CPCSE = 1.
Address bus
D15 to D8
D15 to D8
*
D7 to D0
D7 to D0
HWR
LWR
RD
T
1
Bus cycle
High level
Undefined
Valid
T
2
Invalid
Valid