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PC97338VLJ 데이터시트(PDF) 62 Page - National Semiconductor (TI)

[Old version datasheet] Texas Instruments acquired National semiconductor.
부품명 PC97338VLJ
상세설명  ACPI 1.0 and PC98/99 Compliant SuperI/O
PDF  221 Pages
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제조업체  NSC [National Semiconductor (TI)]
홈페이지  http://www.national.com
Logo NSC - National Semiconductor (TI)

PC97338VLJ 데이터시트(HTML) 62 Page - National Semiconductor (TI)

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2.3.28 SCC2 Base Address High Byte
Register (S2BAH), Index 47h
This register holds the high address bits of SCC2’s
base address.
In Legacy mode, this register is ignored and the base
address of SCC2 is determined by bits 4-7 of FAR
register.
This register may be modified only when SCC2 is dis-
abled. Undefined value when out of reset.
It is the software’s responsibility to configure all devic-
es so as to avoid conflicts.
FIGURE 30. S2BAH Register Bitmap
2.3.29 FDC Base Address Low Byte
Register (FBAL), Index 48h
This register holds the low address bits of the FDC’s
base address.
In Legacy mode, this register is ignored and the base
address of the FDC is determined by bit 5 of the FER
register.
This register may be modified only when the FDC is
disabled. Undefined value when out of reset.
It is the software’s responsibility to configure all devic-
es so as to avoid conflicts.
FIGURE 31. FBAL Register Bitmap
2.3.30 FDC Base Address High Byte
Register (FBAH,) Index 49h
This register holds the high address bits of the FDC’s
base address.
In Legacy mode, this register is ignored and the base
address of the FDC is determined by bit 5 of the FER
register.
This register may be modified only when the FDC is
disabled. Undefined value when out of reset.
It is the software’s responsibility to configure all devic-
es so as to avoid conflicts.
FIGURE 32. FBAH Register Bitmap
Reserved
Reserved
A10
A11
A12
A13
A14
A15
Reserved
Reserved
Reserved
A10
Reserved
Reserved
Reserved
Reserved
Address Length
7
654
32
10
Reset
Required
x
x
x
x
x
x
x
x
11 Bits
16 bits
CFG0 = 1
CFG0 = 0
(S2BAH)
SCC2 Base Address
Index 47h
High Byte Register
76
543
21
0
Reset
Required
x
x
x
x
x
x
x
x
Reserved
A3
A4
A5
A6
A7
A8
A9
(FBAL)
FDC Base Address
Index 48h
Low Byte Register
Reserved
Reserved
A10
A11
A12
A13
A14
A15
Reserved
Reserved
Reserved
A10
Reserved
Reserved
Reserved
Reserved
Address Length
7
654
32
10
Reset
Required
x
x
x
x
x
x
x
x
11 Bits
16 bits
CFG0 = 1
CFG0 = 0
(FBAH)
FDC Base Address
Index 49h
High Byte Register



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