參數資料
型號: MC68HC11D0CFB2
廠商: FREESCALE SEMICONDUCTOR INC
元件分類: 微控制器/微處理器
英文描述: 8-BIT, 2 MHz, MICROCONTROLLER, PQFP44
封裝: QFP-44
文件頁數: 48/138頁
文件大小: 1047K
代理商: MC68HC11D0CFB2
Interrupt Request (IRQ)
MC68HC711D3 Data Sheet, Rev. 2.1
Freescale Semiconductor
17
Figure 1-5. Oscillator Connections
1.9 Interrupt Request (IRQ)
The IRQ input provides a means of applying asynchronous interrupt requests to the microcontroller unit
(MCU). Either negative edge-sensitive triggering or level-sensitive triggering is program selectable by
using the IRQE bit of the OPTION register. IRQ is always configured to level-sensitive triggering at reset.
While the programmable read-only memory (PROM) is being programmed, this pin provides the chip
enable (CE) signal. To prevent accidental programming of the PROM during reset, an external resistor is
required on IRQ to pull the pin to VDD.
10 M
* Values includes all stray capacitances.
FIRST MCU
EXTAL
XTAL
4 x E
CRYSTAL
MCU
EXTAL
XTAL
4 x E
CMOS-COMPATIBLE
EXTERNAL OSCILLATOR
NC OR
10K–100K
LOAD
25 pF *
SECOND MCU
EXTAL
XTAL
NC OR
10K–100K
LOAD
10 M
MCU
EXTAL
XTAL
4 x E
CRYSTAL
25 pF *
相關PDF資料
PDF描述
MC68HC11D3CFN2 8-BIT, MROM, 2 MHz, MICROCONTROLLER, PQCC44
MC68HC711D3CP3 8-BIT, OTPROM, 3 MHz, MICROCONTROLLER, PDIP40
MC68HC11D3CFN3 8-BIT, MROM, 3 MHz, MICROCONTROLLER, PQCC44
MC68HC11D3CFB1 8-BIT, MROM, 3 MHz, MICROCONTROLLER, PQFP44
MC68L11D0CFB3 8-BIT, MROM, 3 MHz, MICROCONTROLLER, PQFP44
相關代理商/技術參數
參數描述
MC68HC11D0CFB3 制造商:Motorola Inc 功能描述: 制造商:MOTOROLA 功能描述:
MC68HC11D0CFB3R2 制造商:Rochester Electronics LLC 功能描述:- Bulk
MC68HC11D0CFBE2 功能描述:8位微控制器 -MCU 8B MCU 192 BYTES RAM RoHS:否 制造商:Silicon Labs 核心:8051 處理器系列:C8051F39x 數據總線寬度:8 bit 最大時鐘頻率:50 MHz 程序存儲器大小:16 KB 數據 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 安裝風格:SMD/SMT
MC68HC11D0CFBE3 功能描述:8位微控制器 -MCU 8B MCU 192RAM 3 MHZ RoHS:否 制造商:Silicon Labs 核心:8051 處理器系列:C8051F39x 數據總線寬度:8 bit 最大時鐘頻率:50 MHz 程序存儲器大小:16 KB 數據 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 安裝風格:SMD/SMT
MC68HC11D0CFBE3R 功能描述:8位微控制器 -MCU 8B MCU 192RAM 3 MHZ RoHS:否 制造商:Silicon Labs 核心:8051 處理器系列:C8051F39x 數據總線寬度:8 bit 最大時鐘頻率:50 MHz 程序存儲器大小:16 KB 數據 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 安裝風格:SMD/SMT