參數(shù)資料
型號: MC68HC681FN
廠商: MOTOROLA INC
元件分類: 微控制器/微處理器
英文描述: 2 CHANNEL(S), 1M bps, SERIAL COMM CONTROLLER, PQCC44
封裝: PLASTIC, LCC-44
文件頁數(shù): 6/88頁
文件大?。?/td> 461K
代理商: MC68HC681FN
Introduction
MOTOROLA
MC68HC681 USER’S MANUAL
1-3
1
Programmable Data Format
— Five to eight data bits
— Odd, Even, force parity, or no parity
— One, one and one-half, or two stop bits
Programmable Channel Modes
— Normal (full duplex)
— Automatic echo
— Local loopback
— Remote loopback
Automatic Wake-up Mode for Multidrop Applications
Multifunction 6-Bit Input Port
— Clock or control input functions
— Change-of-state detection on four inputs
Multifunction 8-Bit Output Port
— Individual bit set/reset capability
— Status/Interrupt signal programmable outputs
Multifunction 16-Bit Programmable Counter/Timer
Versatile Interrupt System
— Single interrupt output with eight maskable interrupting conditions
— Interrupt vector output on interrupt acknowledge
— Programmable output port can be configured to provide as many as six separate
wire-ORable interrupt outputs
Parity, Framing, and Overrun Error Detection
False-Start Bit Detection
Line-Break Detection and Generation
Break Detection starting in the Middle of a Character
Start-End Break Interrupt/Status
On-Chip Crystal Oscillator
TTL Compatible
Single +5V Power Supply
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