參數(shù)資料
型號： AT89C51ID2-SLRIM
廠商： Atmel
文件頁數(shù)： 133/157頁
文件大?。?/td> 0K
描述： IC MCU FLASH 8051 64K 5V 44-PLCC
標(biāo)準(zhǔn)包裝： 1
系列： 89C
核心處理器： 8051
芯體尺寸： 8-位
速度： 60MHz
連通性： I²C，SPI，UART/USART
外圍設(shè)備： POR，PWM，WDT
輸入/輸出數(shù)： 34
程序存儲器容量： 64KB（64K x 8）
程序存儲器類型： 閃存
EEPROM 大?。?/td> 2K x 8
RAM 容量： 2K x 8
電壓 - 電源 (Vcc/Vdd)： 2.7 V ~ 5.5 V
振蕩器型： 外部
工作溫度： -40°C ~ 85°C
封裝/外殼： 44-LCC（J 形引線）
包裝： 剪切帶 (CT)
其它名稱： AT89C51ID2SLRIMCT
77
AT89C51ID2
4289C–8051–11/05
Registers
Table 59. KBF Register
KBF-Keyboard Flag Register (9Eh)
Reset Value= 0000 0000b
This register is read only access, all flags are automatically cleared by reading the
register.
76
543
210
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.
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
AT89C51ID2-SLRUM 功能描述:8位微控制器 -MCU C51ID2 64K FLASH TWI 32KHz 5V RoHS:否 制造商:Silicon Labs 核心:8051 處理器系列:C8051F39x 數(shù)據(jù)總線寬度:8 bit 最大時鐘頻率:50 MHz 程序存儲器大小:16 KB 數(shù)據(jù) RAM 大小:1 KB 片上 ADC:Yes 工作電源電壓:1.8 V to 3.6 V 工作溫度范圍:- 40 C to + 105 C 封裝 / 箱體:QFN-20 安裝風(fēng)格:SMD/SMT
AT89C51ID2-SLSIM 制造商:ATMEL 制造商全稱:ATMEL Corporation 功能描述:8-bit Flash Microcontroller
AT89C51ID2-SLSUM 功能描述:8位微控制器 -MCU 64K FLASH 32KHz 3.5-5V Ind. RoHS:否 制造商:Silicon Labs 核心:8051 處理器系列:C8051F39x 數(shù)據(jù)總線寬度:8 bit 最大時鐘頻率:50 MHz 程序存儲器大小:16 KB 數(shù)據(jù) RAM 大小:1 KB 片上 ADC:Yes 工作電源電壓:1.8 V to 3.6 V 工作溫度范圍:- 40 C to + 105 C 封裝 / 箱體:QFN-20 安裝風(fēng)格:SMD/SMT
AT89C51ID2-SMSIM 制造商:ATMEL 制造商全稱:ATMEL Corporation 功能描述:8-bit Flash Microcontroller
AT89C51ID2-UM 制造商:ATMEL 制造商全稱:ATMEL Corporation 功能描述:8-bit Flash Microcontroller
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