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參數(shù)資料
| 型號： | 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 |
| 文件頁數(shù)： | 55/81頁 |
| 文件大?。?/td> | 1082K |
| 代理商： | AT83C51RB2XXX-SLSIL |
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56
AT80C51RD2/AT83C51Rx2
4113A–8051–09/02
Registers
Table 40. KBF Register
KBF
-
Keyboard Flag Register (9Eh)
Reset Value = 0000 0000b
7
6
5
4
3
2
1
0
KBF7
KBF6
KBF5
KBF4
KBF3
KBF2
KBF1
KBF0
Bit
Number
Bit
Mnemonic
Description
7
KBF7
Keyboard line 7 flag
Set by hardware when the Port line 7 detects a programmed level. It generates a
Keyboard interrupt request if the KBKBIE.7 bit in KBIE register is set.
Must be cleared by software.
6
KBF6
Keyboard line 6 flag
Set by hardware when the Port line 6 detects a programmed level. It generates a
Keyboard interrupt request if the KBIE.6 bit in KBIE register is set.
Must be cleared by software.
5
KBF5
Keyboard line 5 flag
Set by hardware when the Port line 5 detects a programmed level. It generates a
Keyboard interrupt request if the KBIE.5 bit in KBIE register is set.
Must be cleared by software.
4
KBF4
Keyboard line 4 flag
Set by hardware when the Port line 4 detects a programmed level. It generates a
Keyboard interrupt request if the KBIE.4 bit in KBIE register is set.
Must be cleared by software.
3
KBF3
Keyboard line 3 flag
Set by hardware when the Port line 3 detects a programmed level. It generates a
Keyboard interrupt request if the KBIE.3 bit in KBIE register is set.
Must be cleared by software.
2
KBF2
Keyboard line 2 flag
Set by hardware when the Port line 2 detects a programmed level. It generates a
Keyboard interrupt request if the KBIE.2 bit in KBIE register is set.
Must be cleared by software.
1
KBF1
Keyboard line 1 flag
Set by hardware when the Port line 1 detects a programmed level. It generates a
Keyboard interrupt request if the KBIE.1 bit in KBIE register is set.
Must be cleared by software.
0
KBF0
Keyboard line 0 flag
Set by hardware when the Port line 0 detects a programmed level. It generates a
Keyboard interrupt request if the KBIE.0 bit in KBIE register is set.
Must be cleared by software.
相關PDF資料 |
PDF描述 |
|---|---|
| AT83C51RB2XXX-SLSIM | Microcontroller |
| AT83C51RC2XXX-3CSCM | Microcontroller |
| AT83C51RC2XXX-3CSIM | Microcontroller |
| AT83C51RC2XXX-RLTIL | Microcontroller |
| AT83C51RC2XXX-RLTIM | Microcontroller |
相關代理商/技術參數(shù) |
參數(shù)描述 |
|---|---|
| AT83C51RB2XXX-SLSIM | 制造商:ATMEL 制造商全稱:ATMEL Corporation 功能描述:Microcontroller |
| AT83C51RC2 | 制造商:ATMEL 制造商全稱:ATMEL Corporation 功能描述:80C51 High Performance ROM 8-bit Microcontroller |
| AT83C51RC2-3CSUL | 制造商:IRF 制造商全稱:International Rectifier 功能描述:High Performance 8-bit Microcontroller |
| AT83C51RC2-3CSUM | 制造商:IRF 制造商全稱:International Rectifier 功能描述:High Performance 8-bit Microcontroller |
| AT83C51RC2-RLTUL | 制造商:IRF 制造商全稱:International Rectifier 功能描述:High Performance 8-bit Microcontroller |
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