參數(shù)資料
型號(hào)： AT83C51RB2XXX-SLSIL
廠商： ATMEL CORP
元件分類： 微控制器/微處理器
英文描述： Microcontroller
中文描述： 8-BIT, MROM, 40 MHz, MICROCONTROLLER, PQCC44
封裝： PLASTIC, LCC-44
文件頁(yè)數(shù)： 56/81頁(yè)
文件大?。?/td> 1082K
代理商： AT83C51RB2XXX-SLSIL
57
AT80C51RD2/AT83C51Rx2
4113A–8051–09/02
Table 41.
KBE Register
KBE - Keyboard Input Enable Register (9Dh)
Reset Value = 0000 0000b
7
6
5
4
3
2
1
0
KBE7
KBE6
KBE5
KBE4
KBE3
KBE2
KBE1
KBE0
Bit
Number
Bit
Mnemonic
Description
7
KBE7
Keyboard line 7 enable bit
Cleared to enable standard I/O pin.
Set to enable KBF.7 bit in KBF register to generate an interrupt request.
6
KBE6
Keyboard line 6 enable bit
Cleared to enable standard I/O pin.
Set to enable KBF.6 bit in KBF register to generate an interrupt request.
5
KBE5
Keyboard line 5 enable bit
Cleared to enable standard I/O pin.
Set to enable KBF.5 bit in KBF register to generate an interrupt request.
4
KBE4
Keyboard line 4 enable bit
Cleared to enable standard I/O pin.
Set to enable KBF.4 bit in KBF register to generate an interrupt request.
3
KBE3
Keyboard line 3 enable bit
Cleared to enable standard I/O pin.
Set to enable KBF.3 bit in KBF register to generate an interrupt request.
2
KBE2
Keyboard line 2 enable bit
Cleared to enable standard I/O pin.
Set to enable KBF.2 bit in KBF register to generate an interrupt request.
1
KBE1
Keyboard line 1 enable bit
Cleared to enable standard I/O pin.
Set to enable KBF.1 bit in KBF register to generate an interrupt request.
0
KBE0
Keyboard line 0 enable bit
Cleared to enable standard I/O pin.
Set to enable KBF.0 bit in KBF register to generate an interrupt request.
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