LSI Symbios SYM53C040 Technical Manual page 140

Enclosure services processor
Table of Contents

Advertisement

8-14
Register: 0xFF15
Multipurpose I/O Bank 1 Pull-down Enable (MPPE1)
Read/Write
7
6
MPPE1_7 MPPE1_6 MPPE1_5 MPPE1_4 MPPE1_3 MPPE1_2 MPPE1_1 MPPE1_0
1
1
MPPE1_[7:0] Multipurpose I/O Bank 1 Pull-down Enable
These read/write register bits determine if pull-downs are
active on the I/O pins MPIO1_0, MPIO1_1, MPIO1_2,
MPIO1_3, MPIO1_4, MPIO1_5, MPIO1_6, and
MPIO1_7. A value of 1 indicates the pull-down is active,
a value of 0 indicates the pull-down is inactive.
Register: 0xFF18
Multipurpose I/O Bank 2 Output (MPO2)
Read/Write
7
6
MPO2_7
MPO2_6
MPO2_5
0
0
MPO2_[7:0]
Multipurpose I/O Bank 2 Output
The values stored in these register bits are driven on the
I/O pins MPIO2_0, MPIO2_1, MPIO2_2, MPIO2_3,
MPIO2_4, MPIO2_5, MPIO2_6, and MPIO2_7 when the
corresponding pin enable in register 0xFF19 is set.
System Registers
5
4
3
Defaults:
1
1
1
5
4
3
MPO2_4
MPO2_3
Defaults:
0
0
0
2
1
1
1
2
1
MPO2_2
MPO2_1
MPO2_0
0
0
0
1
[7:0]
0
0
[7:0]

Advertisement

Table of Contents
loading

Table of Contents