參數(shù)資料
型號: SCG9800
廠商: Electronic Theatre Controls, Inc.
元件分類: 8位微控制器
英文描述: 8-BIT MICROCONTROLLER
中文描述: 8位微控制器
文件頁數(shù): 12/29頁
文件大小: 135K
代理商: SCG9800
SCG9800
8-BIT MICROCONTROLLER
Score Concept Semiconductor Ltd.
12
Sept 2000
Control Registers
Summary
Table 3. Summary of Control Registers
Hex
00H
01H
02H
03H
04H
05H
06H
07H
08H
09H
0AH
0BH
0CH
0DH
0EH
0FH
Mnemonic
P0DIR
P0PULL
P0RW
P1DIR
P1RW
P2W
Control Registers Name
Port 0 Direction Control Register
Port 0 Pull-Low Control Register
Port 0 Read/Write Port
Port 1 Direction Control Register
Port 1 Read/Write Port
Port 2 Output Port
R/W
W
W
R/W
W
R/W
W
-
-
-
P4W
P5W
TCONG
INTR
TFLAG
T0VAL
T1VAL
Port 4 Output Port
Port 5 Output Port
Timer Configuration Port
Interrupt Control Register
Timer Flag Status Register/Watch-dog Reset
Timer 0 Preset Value Register
Timer 1 Preset Value Register
W
W
W
W
R/W
W
W
-
-
-
-
-
-
Descriptions
P0DIR and P1DIR
Bit
R/W
7
W
6
W
5
W
4
W
3
W
2
W
1
W
0
W
Figure 11. Port 0 and Port 1 Direction Control Registers
P0PULL
Bit
R/W
7
W
6
W
5
W
4
W
3
W
2
W
1
W
0
W
Figure 12. Port 0 Pull-low Control Register
0: Input mode (default)
1: Output mode
0: Pull-low resistor disable (default)
1: Pull-low resistor enable
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