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SMC032AF 데이터시트(PDF) 31 Page - Numonyx B.V

부품명 SMC032AF
상세설명  32 Mbyte, 64 Mbyte, 128 Mbyte, 256 Mbyte and 512 Mbyte 3.3 V / 5 V supply CompactFlash??card
PDF  82 Pages
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SMC032AF 데이터시트(HTML) 31 Page - Numonyx B.V

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SMCxxxAF
Card configuration
31/82
6.1
Configuration Option register (base + 00h in attribute
memory)
The Configuration Option register is used to configure the card’s interface, address
decoding and interrupt to the card (see Table 25).
6.1.1
LevlREQ
This bit is set to one (1) when level mode interrupt is selected, and zero (0) when pulse
mode is selected. Set to zero (0) after power-up.
6.1.2
Conf5 - Conf0 (configuration index)
These bits are used to select the operation mode of the card as shown in Table 26. This bit
is set to ‘0’ after power-up.
Table 24.
CompactFlash memory card configuration registers decoding
–CE2 –CE1 –REG –OE –WE
A10
A9
A8-
A4
A3 A2 A1 A0
Selected register
X
0
0
0
1
0
1
00
0
0
0
0
Configuration Option register Read
X
0
0
1
0
0
1
00
0
0
0
0
Configuration Option register Write
X
0
0
0
1
0
1
00
0
0
1
0
Card Status register Read
X
0
0
1
0
0
1
00
0
0
1
0
Card Status register Write
X
0
0
0
1
0
1
00
0
1
0
0
Pin Replacement register Read
X
0
0
1
0
0
1
00
0
1
0
0
Pin Replacement register Write
X
0
0
0
1
0
1
00
0
1
1
0
Socket and Copy register Read
X
0
0
1
0
0
1
00
0
1
1
0
Socket and Copy register Write
Table 25.
Configuration Option register (default value: 00h)
Operation
D7
D6
D5D4D3D2D1
D0
R/W
X
LevlREQ
Conf5
Conf4
Conf3
Conf2
Conf1
Conf0
Table 26.
CompactFlash memory card configurations
Conf
5
Conf
4
Conf
3
Conf
2
Conf
1
Conf
0
Mapping
mode
Card
mode
Task file register address
0
0
0000
Memory
Memory
0h - Fh, 400h - 7FFh
0
0
0001
Contiguous
I/O
I/O
xx0h - xxFh
0
0
0010
Primary I/O
I/O
1F0h - 1F7h, 3F6h - 3F7h
0
0
0011
Secondary I/O
I/O
170h - 177h, 376h - 377h



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