參數(shù)資料
型號(hào)： MC68HC05C9ACB
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, PDIP42
封裝： SHRINK, PLASTIC, DIP-42
文件頁數(shù)： 142/160頁
文件大小： 4128K
代理商： MC68HC05C9ACB
NON-DISCLOSURE
AGREEMENT
REQUIRED
Serial Communications Interface (SCI)
General Release Specification
MC68HC05C9A — Rev. 4.0
Serial Communications Interface (SCI)
9.14.3 SCI Control Register 2 (SCCR2)
SCI control register 2, shown in Figure 9-10, has these functions:
Enables the SCI receiver and SCI receiver interrupts
Enables the SCI transmitter and SCI transmitter interrupts
Enables SCI receiver idle interrupts
Enables SCI transmission complete interrupts
Enables SCI wakeup
Transmits SCI break characters
TIE — Transmit Interrupt Enable
This read/write bit enables SCI interrupt requests when the TDRE flag
becomes set. Resets clear the TIE bit.
1 = TDRE interrupt requests enabled
0 = TDRE interrupt requests disabled
TCIE — Transmission Complete Interrupt Enable
This read/write bit enables SCI interrupt requests when the TC flag
becomes set. Resets clear the TCIE bit.
1 = TC interrupt requests enabled
0 = TC interrupt requests disabled
RIE — Receiver Interrupt Enable
This read/write bit enables SCI interrupt requests when the RDRF flag
or the OR flag becomes set. Resets clear the RIE bit.
1 = RDRF interrupt requests enabled
0 = RDRF interrupt requests disabled
$000F
Bit 7
6543
2
1
Bit 0
Read:
TIE
TCIE
RIE
ILIE
TE
RE
RWU
SBK
Write:
Reset:
00000
0
Figure 9-10. SCI Control Register 2 (SCCR2)
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Freescale Semiconductor, Inc.
For More Information On This Product,
Go to: www.freescale.com
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