h8s-2158 Renesas Electronics Corporation., h8s-2158 Datasheet - Page 169

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

Table 6.3
BRSTRM CS256E
0
1
Legend:
Note:
: Don’t care
* In the burst ROM interface, the bus width is specified by the ABW bit in WSCR, the
0
1
0
1
number of full access states (wait can be inserted) is specified by the AST bit in WSCR,
and the number of access cycles in burst access is specified regardless of the AST bit
setting.
Bit Settings and Bus Specifications of Basic Bus Interface
0
1
0
1
0
1
0
1
CPCSE
CFE
—
0
1
—
0
1
—
0
1
—
0
1
Basic Expansion
Area
Basic expansion area
ABW, AST, WMS1,
WMS0, WC1, WC0
Burst ROM interface *
ABW, AST, WMS0,
WC1, WC0, BRSTS1,
BRSTS0
Rev. 3.00 Jan 25, 2006 page 117 of 872
256-kbyte
Expansion Area
Used as basic
expansion area
ABW256, AST256,
WMS10, WC11,
WC10
Used as burst
ROM interface
ABW256, AST256,
WMS10, WC11,
WC10
Areas
Section 6 Bus Controller
CP Expansion Area
(Basic Mode) and
CF Expansion Area
(Memory Card
Mode)
Used as basic
expansion area
ABWCP, ASTCP,
WMS21, WMS20,
WC21, WC20
Memory card mode
WMS21, WMS20,
WC22, WC21, WC20
Same as when
CS256E = 0
Used as burst ROM
interface
ABWCP, ASTCP,
WMS21, WMS20,
WC21, WC20
Memory card mode
WMS21, WMS20,
WC22, WC21, WC20
Same as when
CS256E = 0
REJ09B0286-0300