8-32
System Registers
Register: 0xFF45
Multipurpose LED Bank 2H Latch Mask (MLLM2H)
Read/Write
R
Reserved
[7, 5, 3, 1]
MLLM2_[7:4] Multipurpose LED Bank 2H Latch Mask
[6, 4, 2, 0]
The bits in this read/write register define the write mask
for the
Multipurpose LED Bank 2L Latch (MLL2L)
register
) and the
Multipurpose LED Bank 2H Latch
register (
). A value of 1 in any of these
bits allows the corresponding bit in MLL2L and MLL2H to
be modified.
Register: 0xFF46
Multipurpose LED Bank 2L Latch (MLL2L)
Read/Write
R
Reserved
[7, 5, 3, 1]
MLL2_[3:0]
Multipurpose LED Bank 2L Latch
[6, 4, 2, 0]
These read/write register bits store the power-on value of
the I/O pins MPLED2_0, MPLED2_1, MPLED2_2, and
MPLED2_3. The values on these pins are latched into
this register on the deasserting edge of the RESET/ input
signal or the internal power-on reset.
7
6
5
4
3
2
1
0
R
MLLM2_7
R
MLLM2_6
R
MLLM2_5
R
MLLM2_4
Defaults:
0
0
0
0
0
0
0
0
7
6
5
4
3
2
1
0
R
MLL2_3
R
MLL2_2
R
MLL2_1
R
MLL2_0
Defaults:
0
x
0
x
0
x
0
x
Содержание Symbios SYM53C040
Страница 12: ...xii Preface...
Страница 90: ...4 18 SCSI and DMA Registers...
Страница 98: ...5 8 SFF 8067 Registers...
Страница 110: ...6 12 Two Wire Serial Registers...
Страница 126: ...7 16 Miscellaneous Registers...
Страница 160: ...8 34 System Registers...
Страница 184: ...9 24 Electrical Characteristics...
Страница 194: ...A 10 Register Summary...
Страница 214: ......