參數(shù)資料
型號(hào): MC68HC705J1ACDW
廠商: MOTOROLA INC
元件分類: 微控制器/微處理器
英文描述: Microcontrollers
中文描述: 8-BIT, OTPROM, 2.1 MHz, MICROCONTROLLER, PDSO20
封裝: SOIC-20
文件頁(yè)數(shù): 71/108頁(yè)
文件大小: 718K
代理商: MC68HC705J1ACDW
MC68HC705KJ1 MC68HRC705KJ1 MC68HLC705KJ1 Data Sheet, Rev. 4.1
Freescale Semiconductor
71
Chapter 8
Resets and Interrupts
8.1 Introduction
Reset initializes the MCU by returning the program counter to a known address and by forcing control and
status bits to known states.
Interrupts temporarily change the sequence of program execution to respond to events that occur during
processing.
8.2 Resets
A reset immediately stops the operation of the instruction being executed, initializes certain control and
status bits, and loads the program counter with a user-defined reset vector address. The following
sources can generate a reset:
Power-on reset (POR) circuit
RESET pin
Computer operating properly (COP) watchdog
Illegal address
Figure 8-1. Reset Sources
D
Q
CK
S
RESET
LATCH
INTERNAL CLOCK
RST
TO CPU AND
PERIPHERAL
MODULES
RESET PIN
V
DD
ILLEGAL ADDRESS
COP WATCHDOG
POWER-ON RESET
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MC68HC705J1ACPE 功能描述:8位微控制器 -MCU HCO5 CORE+1.2K RAM + EPR 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
MC68HC705J2CDW 制造商:Motorola Inc 功能描述: 制造商:Motorola Inc 功能描述:MicroController, 8-Bit, 20 Pin, Plastic, SOP
MC68HC705J2DW 制造商:Motorola Inc 功能描述:
MC68HC705J5ACP 制造商:Motorola Inc 功能描述: 制造商:MOTOROLA 功能描述: