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| 型號： | MC68HC711K4CFN2 |
| 廠商： | MOTOROLA INC |
| 元件分類： | 微控制器/微處理器 |
| 英文描述： | 8-BIT MICROCONTROLLER |
| 中文描述： | 8-BIT, OTPROM, 2 MHz, MICROCONTROLLER, PQCC84 |
| 封裝： | PLASTIC, LCC-84 |
| 文件頁數(shù)： | 38/80頁 |
| 文件大?。?/td> | 420K |
| 代理商： | MC68HC711K4CFN2 |
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MOTOROLA
38
M68HC11 K Series
MC68HC11KTS/D
5 Resets and Interrupts
All M68HC11 MCUs have three reset vectors and 18 interrupt vectors. The reset vectors are as follows:
RESET, or Power-On Reset
Clock Monitor Fail
COP Failure
The 18 interrupt vectors service 22 interrupt sources (three nonmaskable, 19 maskable). The three non-
maskable interrupt sources are as follows:
XIRQ Pin (X-Bit Interrupt)
Illegal Opcode Trap
Software Interrupt
On-chip peripheral systems generate maskable interrupts, which are recognized only if the global inter-
rupt mask bit (I) in the condition code register (CCR) is clear. Maskable interrupts are prioritized accord-
ing to a default arrangement; however, any one source can be elevated to the highest maskable priority
position by a software-accessible control register (HPRIO). The HPRIO register can be written at any
time, provided bit I in the CCR is set.
Nineteen interrupt sources in the M68HC11 K series devices are subject to masking by the global inter-
rupt mask bit (bit I in the CCR). In addition to the global bit I, all of these sources, except the external
interrupt (IRQ) pin, are controlled by local enable bits in control registers. Most interrupt sources in
M68HC11 devices have separate interrupt vectors; therefore, there is usually no need for software to
poll control registers to determine the cause of an interrupt.
For some interrupt sources, such as the SCI interrupts, the flags are automatically cleared during the
normal course of responding to the interrupt requests. For example, the RDRF flag in the SCI system
is cleared by the automatic clearing mechanism invoked by a read of the SCI status register while RDRF
is set, followed by a read of the SCI data register. The normal response to an RDRF interrupt request
would be to read the SCI status register to check for receive errors, then to read the received data from
the SCI data register. These two steps satisfy the automatic clearing mechanism without requiring any
special instructions.
Refer to the following table for a list of interrupt and reset vector assignments.
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| MC68HC11K4CFN2 | Technical Summary 8-Bit Microcontroller |
| MC68HC11K4CFN3 | Technical Summary 8-Bit Microcontroller |
| MC68HC11K1VFU2 | 8-BIT MICROCONTROLLER |
| MC68HC11K4VFU2 | MNX Series Enclosure; NEMA Type:1, 2, 4, 4X, 6, 12, 13; Enclosure Material:Polycarbonate; External Height:5.1"; External Width:3"; External Depth:3.9" |
| MC68HC11K1VFU3 | MNX Series Enclosure; NEMA Type:1, 2, 4, 4X, 6, 12, 13; Enclosure Material:Polycarbonate; External Height:10"; External Width:7.1"; External Depth:2.5"; Enclosure Color:Light Gray; Approval Bodies:UL, CSA; Cover Color:Light Gray RoHS Compliant: Yes |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| MC68HC711K4CFN4 | 功能描述:IC MCU 24K OTP 4MHZ 84-PLCC RoHS:否 類別:集成電路 (IC) >> 嵌入式 - 微控制器， 系列:HC11 標準包裝:250 系列:56F8xxx 核心處理器:56800E 芯體尺寸:16-位 速度:60MHz 連通性:CAN，SCI，SPI 外圍設(shè)備:POR，PWM，溫度傳感器，WDT 輸入/輸出數(shù):21 程序存儲器容量:40KB（20K x 16） 程序存儲器類型:閃存 EEPROM 大小:- RAM 容量:6K x 16 電壓 - 電源 (Vcc/Vdd):2.25 V ~ 3.6 V 數(shù)據(jù)轉(zhuǎn)換器:A/D 6x12b 振蕩器型:內(nèi)部 工作溫度:-40°C ~ 125°C 封裝/外殼:48-LQFP 包裝:托盤 配用:MC56F8323EVME-ND - BOARD EVALUATION MC56F8323 |
| MC68HC711K4CFNE3 | 制造商:Freescale Semiconductor 功能描述: |
| MC68HC711K4CFNE4 | 制造商:Freescale Semiconductor 功能描述: |
| MC68HC711K4CFU4 | 功能描述:IC MCU 24K 4MHZ EEPROM 80-QFP RoHS:否 類別:集成電路 (IC) >> 嵌入式 - 微控制器， 系列:HC11 其它有關(guān)文件:STM32F101T8 View All Specifications 特色產(chǎn)品:STM32 32-bit Cortex MCUs 標準包裝: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 程序存儲器容量:64KB（64K x 8） 程序存儲器類型: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 |
| MC68HC711KS2CPU4 | 制造商:Motorola Inc 功能描述: |
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