Section 6 Bus Controller
Rev. 3.00 Jan 25, 2006 page 117 of 872
REJ09B0286-0300
Table 6.3
Bit Settings and Bus Specifications of Basic Bus Interface
Areas
BRSTRM CS256E CPCSE
CFE
Basic Expansion
Area
256-kbyte
Expansion Area
CP Expansion Area
(Basic Mode) and
CF Expansion Area
(Memory Card
Mode)
0
—
Used as basic
expansion area
0
ABWCP, ASTCP,
WMS21, WMS20,
WC21, WC20
0
1
1
Used as basic
expansion area
Memory card mode
WMS21, WMS20,
WC22, WC21, WC20
0
—
0
0
1
1
1
Basic expansion area
ABW, AST, WMS1,
WMS0, WC1, WC0
ABW256, AST256,
WMS10, WC11,
WC10
Same as when
CS256E = 0
0
—
Used as burst ROM
interface
0
ABWCP, ASTCP,
WMS21, WMS20,
WC21, WC20
0
1
1
Used as burst
ROM interface
Memory card mode
WMS21, WMS20,
WC22, WC21, WC20
0
—
0
1
1
1
1
Burst ROM interface
*
ABW, AST, WMS0,
WC1, WC0, BRSTS1,
BRSTS0
ABW256, AST256,
WMS10, WC11,
WC10
Same as when
CS256E = 0
Legend:
: Don’t care
Note:
*
In the burst ROM interface, the bus width is specified by the ABW bit in WSCR, the
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.
Summary of Contents for H8S/2158
Page 10: ...Rev 3 00 Jan 25 2006 page viii of lii...
Page 36: ...Rev 3 00 Jan 25 2006 page xxxiv of lii B Product Lineup 863 C Package Dimensions 864 Index 865...
Page 47: ...Rev 3 00 Jan 25 2006 page xlv of lii Appendix Figure C 1 Package Dimensions TBP 112A 864...
Page 54: ...Rev 3 00 Jan 25 2006 page lii of lii...
Page 70: ...Section 1 Overview Rev 3 00 Jan 25 2006 page 16 of 872 REJ09B0286 0300...
Page 118: ...Section 3 MCU Operating Modes Rev 3 00 Jan 25 2006 page 64 of 872 REJ09B0286 0300...
Page 126: ...Section 4 Exception Handling Rev 3 00 Jan 25 2006 page 72 of 872 REJ09B0286 0300...
Page 198: ...Section 6 Bus Controller Rev 3 00 Jan 25 2006 page 144 of 872 REJ09B0286 0300...
Page 326: ...Section 10 8 Bit PWM Timer PWM Rev 3 00 Jan 25 2006 page 272 of 872 REJ09B0286 0300...
Page 440: ...Section 15 Watchdog Timer WDT Rev 3 00 Jan 25 2006 page 386 of 872 REJ09B0286 0300...
Page 606: ...Section 17 I 2 C Bus Interface IIC Rev 3 00 Jan 25 2006 page 552 of 872 REJ09B0286 0300...
Page 742: ...Section 19 Multimedia Card Interface MCIF Rev 3 00 Jan 25 2006 page 688 of 872 REJ09B0286 0300...
Page 750: ...Section 21 D A Converter Rev 3 00 Jan 25 2006 page 696 of 872 REJ09B0286 0300...
Page 768: ...Section 22 A D Converter Rev 3 00 Jan 25 2006 page 714 of 872 REJ09B0286 0300...
Page 770: ...Section 23 RAM Rev 3 00 Jan 25 2006 page 716 of 872 REJ09B0286 0300...
Page 824: ...Section 26 Clock Pulse Generator Rev 3 00 Jan 25 2006 page 770 of 872 REJ09B0286 0300...
Page 844: ...Section 27 Power Down Modes Rev 3 00 Jan 25 2006 page 790 of 872 REJ09B0286 0300...
Page 878: ...Section 28 List of Registers Rev 3 00 Jan 25 2006 page 824 of 872 REJ09B0286 0300...
Page 926: ...Index Rev 3 00 Jan 25 2006 page 872 of 872 REJ09B0286 0300...