參數(shù)資料
型號(hào)： MC68HC705P6ACDW
廠商： MOTOROLA INC
元件分類： 微控制器/微處理器
英文描述： HCMOS Microcontroller Unit
中文描述： 8-BIT, OTPROM, 2.1 MHz, MICROCONTROLLER, PDSO28
封裝： SOIC-28
文件頁(yè)數(shù)： 48/130頁(yè)
文件大?。?/td> 1541K
代理商： MC68HC705P6ACDW
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Interrupts
Advance Information
MC68HC705P6A
—
Rev. 2.0
48
Interrupts
MOTOROLA
5.3.1 Reset Interrupt Sequence
The reset function is not in the strictest sense an interrupt; however, it is
acted upon in a similar manner as shown in
Figure 5-1
. A low-level input
on the RESET pin or internally generated RST signal causes the
program to vector to its starting address which is specified by the
contents of memory locations $1FFE and $1FFF. The I bit in the
condition code register is also set. The MCU is configured to a known
state during this type of reset as previously described in
Section 4.
Resets
.
5.3.2 Software Interrupt (SWI)
The SWI is an executable instruction. It is also a non-maskable interrupt
since it is executed regardless of the state of the I bit in the CCR. As with
any instruction, interrupts pending during the previous instruction will be
serviced before the SWI opcode is fetched. The interrupt service routine
address for the SWI instruction is specified by the contents of memory
locations $1FFC and $1FFD.
5.3.3 Hardware Interrupts
All hardware interrupts are maskable by the I bit in the CCR. If the I bit is
set, all hardware interrupts (internal and external) are disabled. Clearing
the I bit enables the hardware interrupts. Four hardware interrupts are
explained in the following subsections.
5.3.3.1 External Interrupt (IRQ)
The IRQ/V
PP
pin drives an asynchronous interrupt to the CPU. An edge
detector flip-flop is latched on the falling edge of IRQ/V
PP
. If either the
output from the internal edge detector flip-flop or the level on the
IRQ/V
PP
pin is low, a request is synchronized to the CPU to generate the
IRQ interrupt. If the LEVEL bit in the mask option register is clear (edge-
sensitive only), the output of the internal edge detector flip-flop is
sampled and the input level on the IRQ/V
PP
pin is ignored. The interrupt
service routine address is specified by the contents of memory locations
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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
MC68HC705P6ADW 制造商:Rochester Electronics LLC 功能描述:MCU, 176 BYTES RAM, A/D - Bulk
MC68HC705P6AMDW 功能描述:IC MCU 4.6K OTP 2.1MHZ 28-SOIC RoHS:否 類別:集成電路 (IC) >> 嵌入式 - 微控制器， 系列:HC05 標(biāo)準(zhǔn)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(chǔ)器容量:40KB（20K x 16） 程序存儲(chǔ)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
MC68HC705P6AMP 制造商:Rochester Electronics LLC 功能描述:- Bulk
MC68HC705P6CDW 制造商:Motorola Inc 功能描述:
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