MC68HC705C8ACS

Manufacturer Part NumberMC68HC705C8ACS
ManufacturerFreescale Semiconductor, Inc
MC68HC705C8ACS datasheet
 


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Freescale Semiconductor, Inc.
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.
10.6.3 SCI Control Register 2
SCI control register 2 (SCCR2) shown in
functions:
•
•
•
•
•
•
Address:
Read:
Write:
Reset:
TIE — Transmit Interrupt Enable Bit
This read/write bit enables SCI interrupt requests when the TDRE bit
becomes set. Reset clears the TIE bit.
MC68HC705C8A — Rev. 3
MOTOROLA
For More Information On This Product,
1 = Address mark wakeup
0 = Idle line wakeup
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
$000F
Bit 7
6
5
4
TIE
TCIE
RIE
ILIE
0
0
0
0
Figure 10-7. SCI Control Register 2 (SCCR2)
1 = TDRE interrupt requests enabled
0 = TDRE interrupt requests disabled
Serial Communications Interface (SCI)
Go to: www.freescale.com
Serial Communications Interface (SCI)
SCI I/O Registers
Figure 10-7
has these
3
2
1
Bit 0
TE
RE
RWU
SBK
0
0
0
0
Technical Data

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