參數(shù)資料
型號: MC68HC05C8MB
廠商: MOTOROLA INC
元件分類: 微控制器/微處理器
英文描述: 8-BIT, MROM, 2.1 MHz, MICROCONTROLLER, PDIP42
封裝: PLASTIC, SHRINK, DIP-42
文件頁數(shù): 131/156頁
文件大?。?/td> 1755K
代理商: MC68HC05C8MB
Serial Communications Interface (SCI)
Advance Information
MC68HC05C8A — Rev. 4.0
76
Serial Communications Interface (SCI)
MOTOROLA
9.6 SCI Input/Output (I/O) Registers
These I/O registers control and monitor SCI operation:
SCI data register (SCDR)
SCI control register 1 (SCCR1)
SCI control register 2 (SCCR2)
SCI status register (SCSR)
9.6.1 SCI Data Register
The SCI data register is the buffer for characters received and for
characters transmitted.
9.6.2 SCI Control Register 1
SCI control register 1 has these functions:
Stores ninth SCI data bit received and ninth SCI data bit
transmitted
Controls SCI character length
Controls SCI wakeup method
Address:
$0011
Bit 7
6
54321
Bit 0
Read:
SCD7
SDC5
SCD5
SCD4
SCD3
SCD2
SCD1
SCD0
Write:
Reset:
Unaffected by reset
Figure 9-4. SCI Data Register (SCDR)
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