SN8P2808
8-bit micro-controller build-in 4*32 LCD and 12-bit ADC.
6.2 I/O 上拉电阻
0E0H
P0UR
读/写
复位后
Bit 7
-
-
Bit 6
-
-
Bit 5
-
-
Bit 4
-
-
Bit 3
-
-
Bit 2
P02R
W
Bit 1
P01R
W
Bit 0
P00R
W
-
-
-
-
-
0
0
0
0E1H
P1UR
读/写
复位后
Bit 7
-
-
Bit 6
-
-
Bit 5
-
-
Bit 4
-
-
Bit 3
-
-
Bit 2
-
-
Bit 1
-
-
Bit 0
P10R
W
-
-
-
-
-
-
-
0
0E2H
P2UR
读/写
复位后
Bit 7
P27R
W
Bit 6
P26R
W
Bit 5
P25R
W
Bit 4
P24R
W
Bit 3
P23R
W
Bit 2
P22R
W
Bit 1
P21R
W
Bit 0
P20R
W
0
0
0
0
0
0
0
0
0E4H
P4UR
读/写
复位后
Bit 7
P47R
W
Bit 6
P46R
W
Bit 5
P45R
W
Bit 4
P44R
W
Bit 3
P43R
W
Bit 2
P42R
W
Bit 1
P41R
W
Bit 0
P40R
W
0
0
0
0
0
0
0
0
0E5H
P5UR
读/写
Bit 7
-
-
Bit 6
-
-
Bit 5
-
-
Bit 4
P54R
W
Bit 3
P53R
W
Bit 2
-
-
Bit 1
-
-
Bit 0
-
-
-
-
-
0
0
-
-
-
复位后
¾
注:P0.3 为单向输入引脚,无上拉电阻。P0UR.3 始终保持为“1”。
例:I/O 口的上拉电阻。
MOV
A, #0FFH
P0UR, A
P1UR, A
P2UR, A
P5UR, A
; 使能P0、1、2、5 的上拉电阻。
;
B0MOV
B0MOV
B0MOV
B0MOV
SONiX TECHNOLOGY CO., LTD
Page 54
Version 1.1