Register Summary
VL-586-1 Reference Manual
Register Descriptions
–
61
I/O
AND
M
EMORY
M
AP
C
ONTROL
R
EGISTER
IOMMAP (WRITE ONLY) 00E2H
D7
D6
D5
D4
D3
D2
D1
D0
Reserved
Reserved
Reserved
Reserved
MMAP2
MMAP1
IOMAP2
IOMAP1
Table 40: I/O and Memory Map Register Bit Assignments
Bit
Mnemonic
Description
D7-D4
—
Reserved
— These bits have no function. Always read as 0.
D3
MMAP2
Memory Map Select 2
— Selects PC/104 or STD Bus memory access.
MMAP2 = 0
C8000h to CFFFFh = PC/104 Bus
MMAP2 = 1
C8000h to CFFFFh = STD Bus
D2
MMAP1
Memory Map Select 1
— Selects PC/104 or STD Bus memory access.
MMAP1 = 0
D0000h to D7FFFh = PC/104 Bus
MMAP1 = 1
D0000h to D7FFFh = STD Bus
D1
IOMAP2
I/O Map Select 2
— Selects PC/104 or STD Bus I/O access.
IOMAP2 = 0
0100h to 01EFh
0200h to 027Fh
IOMAP2 = 1
0100h to 01EFh
0200h to 027Fh
Note!
See I/O map on page 27 for further information.
D0
IOMAP1
I/O Map Select 1
— Selects PC/104 or STD Bus I/O access.
IOMAP1 = 0
02E8h to 02EFh (COM4)
03E8h to 03EFh (COM3)
IOMAP1 = 1
02E8h to 02EFh (COM4)
03E8h to 03EFh (COM3)
Note!
See I/O map on page 27 for further information.
}
= STD Bus
}
= PC/104 Bus
}
= PC/104 Bus
}
= STD Bus
Содержание VL-586-1
Страница 2: ......
Страница 3: ...VL 586 1 5x86 Industrial CPU Card for the STD 32 Bus TM M586 1 ...
Страница 4: ......
Страница 6: ......
Страница 16: ......
Страница 26: ......
Страница 48: ......
Страница 73: ...VL 586 1 Reference Manual Appendix A Schematic 63 Appendix A Schematic A ...
Страница 74: ...Schematic 64 Schematic VL 586 1 Reference Manual ...
Страница 75: ...Schematic VL 586 1 Reference Manual Schematic 65 ...
Страница 76: ...Schematic 66 Schematic VL 586 1 Reference Manual ...
Страница 77: ...Schematic VL 586 1 Reference Manual Schematic 67 ...
Страница 78: ...Schematic 68 Schematic VL 586 1 Reference Manual ...
Страница 79: ...Schematic VL 586 1 Reference Manual Schematic 69 ...
Страница 80: ...Schematic 70 Schematic VL 586 1 Reference Manual ...
Страница 81: ...Schematic VL 586 1 Reference Manual Schematic 71 ...