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| 型号： | MC68HC705J5ACDWR3 |
| 厂商： | FREESCALE SEMICONDUCTOR INC |
| 元件分类： | 微控制器/微处理器 |
| 英文描述： | 8-BIT, OTPROM, 2.1 MHz, MICROCONTROLLER, PDSO20 |
| 封装： | SOIC-20 |
| 文件页数： | 38/106页 |
| 文件大小： | 1069K |
| 代理商： | MC68HC705J5ACDWR3 |
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July 16, 1999
GENERAL RELEASE SPECIFICATION
MC68HC05J5A
RESETS
MOTOROLA
REV 2.1
5-3
The COPR will generate the RST signal which will reset the CPU and other
peripherals. Also, the COPR will establish the mode of operation based on the
state of the IRQ pin at the time the COPR signal ends. If the voltage on the IRQ
pin is at the VTST level, the state of the PB0 pin during the last rising edge of the
RESET pin will determine which Test Mode (Internal or Expanded) the MCU will
be in. If the voltage at the IRQ pin is in the normal operating range (VSS to VDD),
the MCU will enter Single-Chip Mode when the COPR signal ends. If any other
reset function is active at the end of the COPR reset signal, the RST signal will
remain in the reset condition until the other reset condition(s) end.
5.2.3 LOW VOLTAGE RESET (LVR)
The internal LVR reset is generated when VDD falls below the specied LVR trig-
ger value VLVR for at least one tCYC. In typical applications, the power supply de-
coupling circuit will eliminate negative-going voltage glitches of less than one
tCYC. This reset will hold the MCU in the reset state until VDD rises above VLVR.
Whenever VDD is above VLVR and below 4.5V, the MCU is guaranteed to operate
although not within specication. The output from the LVR is connected directly to
the internal reset circuitry and also forces the RESET pin low. The internal reset
will be removed once the power supply voltage rises above VLVR, at which time a
normal power-on-reset sequence occurs.
5.2.4 ILLEGAL ADDRESS RESET (ILADR)
The internal ILADR reset is generated when an instruction opcode fetch occurs
from an address which is not implemented in the RAM ($0080 - $00FF) nor ROM
($0300-$0CFF, $0E00-$0FFF). The ILADR will generate the RST signal which will
reset the CPU and other peripherals. If any other reset function is active at the end
of the ILADR reset signal, the RST signal will remain in the reset condition until
the other reset condition(s) end. Notice that ILADR also forces the RESET pin low.
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相关代理商/技术参数 |
参数描述 |
|---|---|
| MC68HC705J5ACP | 制造商:Motorola Inc 功能描述: 制造商:MOTOROLA 功能描述: |
| MC68HC705JB4DW | 制造商:Motorola Inc 功能描述: 制造商:MOTOROLA 功能描述: |
| MC68HC705JJ7CDW | 功能描述:IC MCU 8BIT 20-SOIC RoHS:否 类别:集成电路 (IC) >> 嵌入式 - 微控制器， 系列:HC05 其它有关文件:STM32F101T8 View All Specifications 特色产品:STM32 32-bit Cortex MCUs 标准包装:490 系列:STM32 F1 核心处理器:ARM? Cortex?-M3 芯体尺寸:32-位 速度:36MHz 连通性:I²C，IrDA，LIN，SPI，UART/USART 外围设备:DMA，PDR，POR，PVD，PWM，温度传感器，WDT 输入/输出数:26 程序存储器容量:64KB（64K x 8） 程序存储器类型:闪存 EEPROM 大小:- RAM 容量:10K x 8 电压 - 电源 (Vcc/Vdd):2 V ~ 3.6 V 数据转换器:A/D 10x12b 振荡器型:内部 工作温度:-40°C ~ 85°C 封装/外壳:36-VFQFN，36-VFQFPN 包装:托盘 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... 其它名称:497-9032STM32F101T8U6-ND |
| MC68HC705JP7CDW | 功能描述:IC MCU 8BIT 28-SOIC RoHS:否 类别:集成电路 (IC) >> 嵌入式 - 微控制器， 系列:HC05 其它有关文件:STM32F101T8 View All Specifications 特色产品:STM32 32-bit Cortex MCUs 标准包装:490 系列:STM32 F1 核心处理器:ARM? Cortex?-M3 芯体尺寸:32-位 速度:36MHz 连通性:I²C，IrDA，LIN，SPI，UART/USART 外围设备:DMA，PDR，POR，PVD，PWM，温度传感器，WDT 输入/输出数:26 程序存储器容量:64KB（64K x 8） 程序存储器类型:闪存 EEPROM 大小:- RAM 容量:10K x 8 电压 - 电源 (Vcc/Vdd):2 V ~ 3.6 V 数据转换器:A/D 10x12b 振荡器型:内部 工作温度:-40°C ~ 85°C 封装/外壳:36-VFQFN，36-VFQFPN 包装:托盘 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... 其它名称:497-9032STM32F101T8U6-ND |
| MC68HC705JP7CP | 制造商:Rochester Electronics LLC 功能描述: 制造商:Freescale Semiconductor 功能描述: |
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