參數(shù)資料
型號(hào)： MC68HC05K0P
廠商： FREESCALE SEMICONDUCTOR INC
元件分類： 微控制器/微處理器
英文描述： 8-BIT, MROM, 2 MHz, MICROCONTROLLER, PDIP16
封裝： PLASTIC, DIP-16
文件頁數(shù)： 105/154頁
文件大小： 1585K
代理商： MC68HC05K0P
Technical Data
MC68HC05K0 MC68HC05K1 — Rev. 2.0
Resets
Technical Data
5.3 Reset Types
A reset immediately stops the operation of the instruction being
executed, initializes certain control bits, and loads the program counter
with a user-defined reset vector address.
These conditions produce a reset:
Initial power-up (power-on reset)
A logic 0 applied to the RESET pin (external reset)
Timeout of the mask-optional computer operating properly (COP)
watchdog (COP reset)
An opcode fetch from an address not in the read-only memory
(ROM) or random-access memory (RAM) (illegal address reset)
VDD voltage below LVR trip point (mask-optional low-voltage
reset)
Figure 5-1 is a block diagram of the reset sources.
5.3.1 Power-On Reset
A positive transition on the VDD pin generates a power-on reset. The
power-on reset is strictly for power-up conditions and cannot be used to
detect drops in power supply voltage.
A 4064 tcyc (internal clock cycle) delay after the oscillator becomes
active allows the clock generator to stabilize. If the RESET pin is at a
logic 0 at the end of 4064 tcyc, the MCU remains in the reset condition
until the signal on the RESET pin goes to a logic 1.
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Freescale Semiconductor, Inc.
For More Information On This Product,
Go to: www.freescale.com
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相關(guān)PDF資料
PDF描述
MC68HC05K1P 8-BIT, MROM, 2 MHz, MICROCONTROLLER, PDIP16
MC68HC05K0CDW 8-BIT, MROM, 2 MHz, MICROCONTROLLER, PDSO16
MC68HC05K0P 8-BIT, MROM, 2 MHz, MICROCONTROLLER, PDIP16
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
MC68HC05K1 制造商:FREESCALE 制造商全稱:Freescale Semiconductor, Inc 功能描述:HCMOS Microcontroller Unit
MC68HC05K1CDW 制造商:FREESCALE 制造商全稱:Freescale Semiconductor, Inc 功能描述:HCMOS Microcontroller Unit
MC68HC05K1CP 制造商:FREESCALE 制造商全稱:Freescale Semiconductor, Inc 功能描述:HCMOS Microcontroller Unit
MC68HC05K1DW 制造商:FREESCALE 制造商全稱:Freescale Semiconductor, Inc 功能描述:HCMOS Microcontroller Unit
MC68HC05K1P 制造商:FREESCALE 制造商全稱:Freescale Semiconductor, Inc 功能描述:HCMOS Microcontroller Unit
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