參數(shù)資料
型號(hào): MC68HC05C8A
廠商: Motorola, Inc.
英文描述: Microcontrollers
中文描述: 微控制器
文件頁數(shù): 78/158頁
文件大?。?/td> 773K
代理商: MC68HC05C8A
Serial Communications Interface (SCI)
Technical Data
MC68HC05C8A
MC68HCL05C8A
MC68HSC05C8A
Rev. 5.0
78
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
5
4
3
2
1
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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