8-28
System Registers
Register: 0xFF3D
Multipurpose LED Bank 1H Latch Mask (MLLM1H)
Read/Write
R
Reserved
[7, 5, 3, 1]
MLLM1_[7:4] Multipurpose LED Bank 1H Latch Mask
[6, 4, 2, 0]
These read/write register bits define the write mask for
the
Multipurpose LED Bank 1L Latch (MLL1L)
register
) and the
Multipurpose LED Bank 1H Latch
register (
). A value of 1 in any of these
bits allows the corresponding bit in MLL1L and MLL1H to
be modified.
Register: 0xFF3E
Multipurpose LED Bank 1L Latch (MLL1L)
Read/Write
R
Reserved
[7, 5, 3, 1]
MLL1_[3:0]
Multipurpose LED Bank 1L Latch Mask
[6, 4, 2, 0]
The bits in these read/write registers store the power-on
value of the I/O pins MPLED1_0, MPLED1_1,
MPLED1_2, and MPLED1_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
MLLM1_7
R
MLLM1_6
R
MLLM1_5
R
MLLM1_4
Defaults:
0
0
0
0
0
0
0
0
7
6
5
4
3
2
1
0
R
MLL1_3
R
MLL1_2
R
MLL1_1
R
MLL1_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: ......