參數(shù)資料
型號: MC68HC05PD6
廠商: FREESCALE SEMICONDUCTOR INC
元件分類: 微控制器/微處理器
英文描述: 8-BIT, MROM, 2.1 MHz, MICROCONTROLLER, PQFP80
封裝: PLASTIC, TQFP-80
文件頁數(shù): 6/165頁
文件大?。?/td> 841K
代理商: MC68HC05PD6
July 7, 1997
GENERAL RELEASE SPECIFICATION
MC68HC05PD6
SERIAL COMMUNICATIONS INTERFACE
MOTOROLA
REV 1.1
11-1
SECTION 11
SERIAL COMMUNICATIONS INTERFACE
A full-duplex asynchronous SCI is provided with a standard NRZ format and a
selection of baud rates. The SCI transmitter and receiver are functionally
independent but use the same data format and baud rate. The terms baud and bit
rate are used synonymously in the following description.
11.1
SCI TWO-WIRE SYSTEM FEATURES
Standard NRZ (mark/space) format
Advanced error detection method includes noise detection for noise
duration of up to 1/16 bit time
Full-duplex operation (simultaneous transmit and receive)
Software programmable for different baud rates
Software-selectable word length (eight or nine bit words)
Separate transmitter and receiver enable bits
SCI may be interrupt driven
Four separate interrupt conditions
11.2
SCI RECEIVER FEATURES
Receiver wake-up function (idle or address bit)
Idle line detect
Framing error detect
Noise detect
Overrun detect
Receiver data register full ag
11.3
SCI TRANSMITTER FEATURES
Transmit data register empty ag
Transmit complete ag
Break send
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