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參數資料
型號: MC68HC05C8A
廠商: Motorola, Inc.
英文描述: Microcontrollers
中文描述: 微控制器
文件頁數: 79/158頁
文件大小: 773K
代理商: MC68HC05C8A
Serial Communications Interface (SCI)
SCI Input/Output (I/O) Registers
MC68HC05C8A
MC68HCL05C8A
MC68HSC05C8A
Rev. 5.0
Technical Data
MOTOROLA
Serial Communications Interface (SCI)
79
R8
Bit 8 (Received)
When the SCI is receiving 9-bit characters, R8 is the ninth bit of the
received character. R8 receives the ninth bit from the receive shift
register at the same time that the SCDR receives the other eight bits.
Reset has no effect on the R8 bit.
T8
Bit 8 (Transmitted)
When the SCI is transmitting 9-bit characters, T8 is the ninth bit of the
transmitted character. T8 is loaded into the transmit shift register at
the same time that SCDR is loaded into the transmit shift register.
Reset has no effect on the T8 bit.
M
Character Length Bit
This read/write bit determines whether SCI characters are 8 bits long
or 9 bits long. The ninth bit can be used as an extra stop bit, as a
receiver wakeup signal, or as a mark or space parity bit. Reset has no
effect on the M bit.
1 = 9-bit SCI characters
0 = 8-bit SCI characters
WAKE
Wakeup Bit
This read/write bit determines which condition wakes up the SCI: a
logic 1 (address mark) in the most significant bit position of a received
character or an idle condition of the PD0/RDI pin. Reset has no effect
on the WAKE bit.
1 = Address mark wakeup
0 = Idle line wakeup
Address: $000E
Bit 7
6
5
4
3
2
1
Bit 0
Read:
R8
T8
0
M
WAKE
0
0
0
Write:
Reset:
Unaffected by reset
= Unimplemented
Figure 9-5. SCI Control Register 1 (SCCR1)
相關PDF資料
PDF描述
MC68HC05C9A 8-Bit Microcontroller(8位微控制器)
MC68HCL05C9A 8-Bit Microcontroller(8位微控制器)
MC68HSC05C9A 8-Bit Microcontroller(8位微控制器)
MC68HC05F2 8-Bit Microcontroller Units (MCU).(8位微控制器)
MC68HC05F6 8-Bit Microcontroller Units (MCU).(8位微控制器)
相關代理商/技術參數
參數描述
MC68HC05C8ACFN 制造商:Motorola Inc 功能描述:MicroController, 8-Bit, 44 Pin, Plastic, PLCC
MC68HC05C9 制造商:FREESCALE 制造商全稱:Freescale Semiconductor, Inc 功能描述:TECHNICAL DATA
MC68HC05C9A 制造商:FREESCALE 制造商全稱:Freescale Semiconductor, Inc 功能描述:Microcontrollers
MC68HC05C9AB 制造商:FREESCALE 制造商全稱:Freescale Semiconductor, Inc 功能描述:Microcontrollers
MC68HC05C9AFB 制造商:FREESCALE 制造商全稱:Freescale Semiconductor, Inc 功能描述:Microcontrollers
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