YR0K42378FC000BA Renesas Electronics America, YR0K42378FC000BA Datasheet - Page 258

• Manufacturer Part Number: YR0K42378FC000BA
• Description: KIT EVAL FOR H8S/2378
• Manufacturer: Renesas Electronics America
• Series: H8®r
• Type: MCUr

Specifications of YR0K42378FC000BA

• Contents: Board
• For Use With/related Products: H8S/2378
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant

Section 6 Bus Controller (BSC)
Figure 6.20 shows an example of the timing when the CS assertion period is extended in basic bus
3-state access space.
Both extension state T
basic bus cycle, or only one of these, can be specified for individual areas. Insertion or non-
insertion can be specified for the T
register, and for the T
Rev.7.00 Mar. 18, 2009 page 190 of 1136
REJ09B0109-0700
Read
(when
RDNn = 0)
Write
Figure 6.20 Example of Timing when Chip Select Assertion Period Is Extended
φ
Address bus
CSn
AS
RD
Data bus
HWR, LWR
Data bus
t
h
state with the lower 8 bits (CSXT7 to CSXT0).
inserted before the basic bus cycle and extension state T
h
T
state with the upper 8 bits (CSXH7 to CSXH0) in the CSACR
h
T
1
Bus cycle
T
Write data
2
Read data
T
3
t
inserted after the
T
t