8-29
Register: 0xFF3F
Multipurpose LED Bank 1H Latch (MLL1H)
Read/Write
R
Reserved
[7, 5, 3, 1]
MLL1_[7:4]
Multipurpose LED Bank 1H Latch
[6, 4, 2, 0]
The bits in these read/write registers store the power-on
value of the I/O pins MPLED1_4, MPLED1_6,
MPLED1_5, and MPLED1_7. 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.
Register: 0xFF40
Multipurpose LED Bank 2L Output (MLO2L)
Read/Write
MLO2_[3A:0A], [3B:0B]
Multipurpose LED Bank 2L Output
[7:0]
These bits control the Multipurpose LED Bank 2 pins
MPLED2_0, MPLED2_1, MPLED2_2, and MPLED2_3.
Two bits control each LED, according to
7
6
5
4
3
2
1
0
R
MLL1_7
R
MLL1_6
R
MLL1_5
R
MLL1_4
Defaults:
0
x
0
x
0
x
0
x
7
6
5
4
3
2
1
0
MLO2_3A MLO2_3B MLO2_2A MLO2_2B MLO2_1A MLO2_1B ML02_0A MLO2_0B
Default:
0
0
0
0
0
0
0
0
Table 8.7
LED Bank 2 Behavior
MLOx_xA
MLOx_xB
LED Behavior
0
0
Off
0
1
Slow blink
1
0
Fast blink
1
1
Constant on
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: ......