參數(shù)資料
型號: W925E240
英文描述: Telephone Controller
中文描述: 電話控制器
文件頁數(shù): 20/66頁
文件大?。?/td> 930K
代理商: W925E240
W925E/C240
8-bit CID Microcontroller
(initial=00H)
Revision : A6
-20-
Release Date : 2002/7/2
P2 PULL-HIGH CONTROL
Bit:
7
6
5
4
3
2
1
0
P2.7H
P2.6H
P2.5H
P2.4H
P2.3H
P2.2H
P2.1H
P2.0H
Mnemonic: P2H
Port1 pins pull-high resistor enable/disable
1: enable
0: disable
Address: 9Eh
P2H:
P3 PULL-HIGH CONTROL
(initial=00H)
Bit:
7
6
5
4
3
2
1
0
P3.7H
P3.6H
P3.5H
P3.4H
P3.3H
P3.2H
P3.1H
P3.0H
Mnemonic: P3H
Port1 pins pull-high resistor enable/disable
1: enable
0: disable
Address: 9Fh
P3H:
PORT 2
(initial=FFh, input mode)
Bit:
7
6
5
4
3
2
1
0
P2.7
P2.6
P2.5
P2.4
P2.3
P2.2
P2.1
P2.0
Mnemonic: P2
Address: A0h
P2.7-0: Port 2 is a I/O port with internal pull-high resistor. P2 can be selected as input or output
mode by the P2IO register. At initial reset, P2 is used as input mode. When P2IO is set to
0, P2 is used as CMOS output mode.
HIGH BYTE REGISTER
(initial=00H)
Bit:
7
6
5
4
3
2
1
0
HB.7
HB.6
HB.5
HB.4
HB.3
HB.2
HB.1
HB.0
Mnemonic: HB
Address: A1h
This register contains the high byte address during execution of " MOVX @Ri, " instructions.
P4 PULL-HIGH CONTROL
(initial=00H)
Bit:
7
6
5
4
3
2
1
0
P4.7H
P4.6H
P4.5H
P4.4H
P4.3H
P4.2H
P4.1H
P4.0H
Mnemonic: P4H
Port4 pins pull-high resistor enable/disable
1: enable
0: disable
Address: A2h
P4H:
PORT 4
(initial=FFh, input mode)
Bit:
Mnemonic: P4
7
6
5
4
3
2
1
0
P4.7
P4.6
P4.5
P4.4
P4.3
P4.2
Address: A6h
P4.1
P4.0
P4.7-0: Port 4 is a I/O port with internal pull-high resistor. P4 can be selected as input or output
mode by the P4IO register, At initial reset, P4IO is set to 0FFh, P4 is used as input
mode. When P4IO is set to 00h, P4 is used as CMOS output mode. Special function of
P4 is described below.
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