73
Bit 3
Bit 2
Bit 1
Bit 0
AE3
AE2
AE1
AE0
Description
0
0
0
0
A8–A23 address output disabled
(Initial value
*
)
1
A8 address output enabled; A9–A23 address output disabled
1
0
A8, A9 address output enabled; A10–A23 address output
disabled
1
A8–A10 address output enabled; A11–A23 address output
disabled
1
0
0
A8–A11 address output enabled; A12–A23 address output
disabled
1
A8–A12 address output enabled; A13–A23 address output
disabled
1
0
A8–A13 address output enabled; A14–A23 address output
disabled
1
A8–A14 address output enabled; A15–A23 address output
disabled
1
0
0
0
A8–A15 address output enabled; A16–A23 address output
disabled
1
A8–A16 address output enabled; A17–A23 address output
disabled
1
0
A8–A17 address output enabled; A18–A23 address output
disabled
1
A8–A18 address output enabled; A19–A23 address output
disabled
1
0
0
A8–A19 address output enabled; A20–A23 address output
disabled
1
A8–A20 address output enabled; A21–A23 address output
disabled
(Initial value
*
)
1
0
A8–A21 address output enabled; A22, A23 address output
disabled
1
A8–A23 address output enabled
Note:
*
In expanded mode with ROM, bits AE3 to AE0 are initialized to B'0000.
In ROMless expanded mode, bits AE3 to AE0 are initialized to B'1101.
Address pins A0 to A7 are made address outputs by setting the corresponding DDR bits to
1.
Содержание H8S/2631
Страница 28: ...xviii Appendix G Package Dimensions 1154 ...
Страница 341: ...316 Transfer SAR or DAR DAR or SAR Block area First block Nth block Figure 9 8 Memory Mapping in Block Transfer Mode ...
Страница 918: ...905 ø DREQ0 DREQ1 tDRQS tDRQH Figure 25 19 DMAC DREQ Input Timing ...
Страница 955: ...943 A 2 Instruction Codes Table A 2 shows the instruction codes ...