Abov MC96FR364B, Руководство пользователя

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November, 2018 Rev.1.4 45
9.2.8 PORT 0
P0 (P0 Data Register) 80
H
7 6 5 4 3 2 1 0
P07 P06 P05 P04 P03 P02 P01 P00
R/W R/W R/W R/W R/W R/W R/W R/W
Initial value : 00
H
P0[7:0]
I/O Data
P0IO (P0 Direction Register) 98
H
7 6 5 4 3 2 1 0
P07IO P06IO P05IO P04IO P03IO P02IO P01IO P00IO
R/W R/W R/W R/W R/W R/W R/W R/W
Initial value : 00
H
P0IO[7:0] P0 Direction
0
Input
1 Output
P0PU (P0 Pull-up Resistor Selection Register) 2F00
H
7 6 5 4 3 2 1 0
P07PU P06PU P05PU P04PU P03PU P02PU P01PU P00PU
R/W R/W R/W R/W R/W R/W R/W R/W
Initial value : 00
H
P0PU[7:0]
P0 Pull-up Control
0
Disable pull-up
1 Enable pull-up
P0OD (P0 Open-drain Selection Register) 2F08
H
7 6 5 4 3 2 1 0
P07OD P06OD P05OD P04OD P03OD P02OD P01OD P00OD
R/W R/W R/W R/W R/W R/W R/W R/W
Initial value : 00
H
P0OD[7:0] Control P0 port type when configured as output port.
0
Push-pull type output drive
1 Open-drain type output drive
P0BPC (P0 Pull-up Control Register) 2F50
H
7 6 5 4 3 2 1 0
P07BPC P06BPC P05BPC P04BPC P03BPC P02BPC P01BPC P00BPC
R/W R/W R/W R/W R/W R/W R/W R/W
Initial value : 00
H
P0BPC[7:0]
Control port direction and use of internal pull-up resistor when
external VDD drops below V
BODOUT0
level.
0 Maintain its previous state (input or output)