MB90580 Datasheet, PDF (128/395 Pages) Fujitsu Component Limited. – 16-BIT MICROCONTROLLER

8.3 Registers and register details
[bit 9] - LN9 controls Port 9
0
Normal output buffer
1
Low noise output buffer
[bit 8] - LN8 controls Port 8
0
Normal output buffer
1
Low noise output buffer
[bit 7] - LN7 controls Port 7
0
Normal output buffer
1
Low noise output buffer
[bit 6] - LN6 controls Port 6
0
Normal output buffer
1
Low noise output buffer
[bit 5] - LN5 controls Port 5
0
Normal output buffer
1
Low noise output buffer
[bit 4] - LN4 controls Port 4
0
Normal output buffer
1
Low noise output buffer
[bit 3] - LN3 controls Port 3
0
Normal output buffer
1
Low noise output buffer
[bit 2] - LN2 controls Port 2
0
Normal output buffer
1
Low noise output buffer
[bit 1] - LN1 controls Port 1
0
Normal output buffer
1
Low noise output buffer
[bit 0] - LN0 control Port 0
0
Normal output buffer
1
Low noise output buffer
[initial value]
[initial value]
[initial value]
[initial value]
[initial value]
[initial value]
[initial value]
[initial value]
[initial value]
[initial value]
Note: These two register are not available for MB90V580.
Note: When low noise output buffer is selected, the driving power will be decreased.
108 Chapter 8: Parallel Ports
MB90580 Series