M38506E7H-SP View Datasheet(PDF) - Renesas Electronics
Part Name
Description
MFG CO.
M38506E7H-SP Datasheet PDF : 287 Pages
| |||
APPENDIX
3.5 List of registers
3.5 List of registers
Port Pi
b7 b6 b5 b4 b3 b2 b1 b0
Port Pi (i = 0, 1, 2, 3, 4)
(Pi: addresses 0016, 0216, 0416, 0616, 0816)
b
Name
Functions
At reset R W
0 Port Pi0
qIn output mode
0
1 Port Pi1
2 Port Pi2
3 Port Pi3
4 Port Pi4
5 Port Pi5
Write •••••••• Port latch
0
Read •••••••• Port latch
0
qIn input mode
0
Write •••••••• Port latch
Read •••••••• Value of pin
0
0
6 Port Pi6
0
7 Port Pi7
0
Note: When reading bit 5, 6 or 7 of ports 3 and 4, the contents are undefined.
Fig. 3.5.1 Structure of Port Pi
Port Pi direction register
b7 b6 b5 b4 b3 b2 b1 b0
Port Pi direction register (i = 0, 1, 2, 3, 4)
(PiD: addresses 0116, 0316, 0516, 0716, 0916)
b
Name
0 Port Pi direction
register
1
2
3
4
5
6
7
Functions
0 : Port Pi0 input mode
1 : Port Pi0 output mode
0 : Port Pi1 input mode
1 : Port Pi1 output mode
0 : Port Pi2 input mode
1 : Port Pi2 output mode
0 : Port Pi3 input mode
1 : Port Pi3 output mode
0 : Port Pi4 input mode
1 : Port Pi4 output mode
0 : Port Pi5 input mode
1 : Port Pi5 output mode
0 : Port Pi6 input mode
1 : Port Pi6 output mode
0 : Port Pi7 input mode
1 : Port Pi7 output mode
At reset R W
0
0
0
0
0
0
0
0
Fig. 3.5.2 Structure of Port Pi direction register
3-50
3850 Group (Spec. H) User’s Manual
Share Link: 