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參數(shù)資料
| 型號(hào)： | MC68HC705KJ1CS |
| 廠商： | FREESCALE SEMICONDUCTOR INC |
| 元件分類： | 微控制器/微處理器 |
| 英文描述： | 8-BIT, UVPROM, 4 MHz, MICROCONTROLLER, CDIP16 |
| 封裝： | WINDOWED, CERDIP-16 |
| 文件頁數(shù)： | 20/108頁 |
| 文件大?。?/td> | 719K |
| 代理商： | MC68HC705KJ1CS |
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Pin Functions
MC68HC705KJ1 MC68HRC705KJ1 MC68HLC705KJ1 Data Sheet, Rev. 4.1
Freescale Semiconductor
19
1.4.2.4 External Clock
An external clock from another CMOS-compatible device can be connected to the OSC1 input, with the
OSC2 input not connected, as shown in Figure 1-8. This configuration is possible regardless of whether
the crystal/ceramic resonator or the RC oscillator is enabled.
Figure 1-8. External Clock Connections
1.4.3 RESET
Applying a logic 0 to the RESET pin forces the MCU to a known startup state. An internal reset also pulls
the RESET pin low. An internal resistor to VDD pulls the RESET pin high. A steering diode between the
RESET and VDD pins discharges any RESET pin voltage when power is removed from the MCU. The
RESET pin contains an internal Schmitt trigger to improve its noise immunity as an input. Refer to
Chapter 8 Resets and Interrupts for more information.
1.4.4 IRQ/VPP
The external interrupt/programming voltage pin (IRQ/VPP) drives the asynchronous IRQ interrupt function
of the CPU. Additionally, it is used to program the user EPROM and mask option register. (See
The LEVEL bit in the mask option register provides negative edge-sensitive triggering or both negative
edge-sensitive and low level-sensitive triggering for the interrupt function.
If level-sensitive triggering is selected, the IRQ/VPP input requires an external resistor to VDD for wired-OR
operation. If the IRQ/VPP pin is not used, it must be tied to the VDD supply.
The IRQ/VPP pin contains an internal Schmitt trigger as part of its input to improve noise immunity. The
voltage on this pin should not exceed VDD except when the pin is being used for programming the
EPROM.
NOTE
The mask option register can enable the PA0–PA3 pins to function as
external interrupt pins.
1.4.5 PA0–PA7
These eight input/output (I/O) lines comprise port A, a general-purpose bidirectional I/O port. (See
Chapter 5 External Interrupt Module (IRQ) for information on PA0–PA3 external interrupts.)
1.4.6 PB2 and PB3
These two I/O lines comprise port B, a general-purpose bidirectional I/O port.
MCU
EXTERNAL
CMOS CLOCK
OSC1
OSC2
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| MC68HRC705KJ1CS | 8-BIT, UVPROM, 4 MHz, MICROCONTROLLER, CDIP16 |
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| MC68HRC705KJ1CP | 8-BIT, OTPROM, 4 MHz, MICROCONTROLLER, PDIP16 |
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| MC68HC705L32FU | 制造商:Rochester Electronics LLC 功能描述: 制造商:Freescale Semiconductor 功能描述: |
| MC68HC705L5FUE | 功能描述:8位微控制器 -MCU 705L5-EPP-80QFP-6019 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(shí)鐘頻率:50 MHz 程序存儲(chǔ)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 |
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| MC68HC705P6ACDW | 功能描述:8位微控制器 -MCU 8 Bit 2.1MHz 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(shí)鐘頻率:50 MHz 程序存儲(chǔ)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 |
| MC68HC705P6ACP | 功能描述:IC MCU 2.1MHZ 4.5K OTP 28-DIP RoHS:否 類別:集成電路 (IC) >> 嵌入式 - 微控制器， 系列:HC05 其它有關(guān)文件:STM32F101T8 View All Specifications 特色產(chǎn)品:STM32 32-bit Cortex MCUs 標(biāo)準(zhǔn)包裝:490 系列:STM32 F1 核心處理器:ARM? Cortex?-M3 芯體尺寸:32-位 速度:36MHz 連通性:I²C，IrDA，LIN，SPI，UART/USART 外圍設(shè)備:DMA，PDR，POR，PVD，PWM，溫度傳感器，WDT 輸入/輸出數(shù):26 程序存儲(chǔ)器容量:64KB（64K x 8） 程序存儲(chǔ)器類型:閃存 EEPROM 大小:- RAM 容量:10K x 8 電壓 - 電源 (Vcc/Vdd):2 V ~ 3.6 V 數(shù)據(jù)轉(zhuǎn)換器:A/D 10x12b 振蕩器型:內(nèi)部 工作溫度:-40°C ~ 85°C 封裝/外殼:36-VFQFN，36-VFQFPN 包裝:托盤 配用:497-10030-ND - STARTER KIT FOR STM32497-8853-ND - BOARD DEMO STM32 UNIV USB-UUSCIKSDKSTM32-PL-ND - KIT IAR KICKSTART STM32 CORTEXM3497-8512-ND - KIT STARTER FOR STM32F10XE MCU497-8505-ND - KIT STARTER FOR STM32F10XE MCU497-8304-ND - KIT STM32 MOTOR DRIVER BLDC497-6438-ND - BOARD EVALUTION FOR STM32 512K497-6289-ND - KIT PERFORMANCE STICK FOR STM32MCBSTM32UME-ND - BOARD EVAL MCBSTM32 + ULINK-MEMCBSTM32U-ND - BOARD EVAL MCBSTM32 + ULINK2更多... 其它名稱:497-9032STM32F101T8U6-ND |
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