mc68hc908sr12 Freescale Semiconductor, Inc, mc68hc908sr12 Datasheet - Page 279
mc68hc908sr12
Manufacturer Part Number
mc68hc908sr12
Description
M68hc08 Microcontrollers Microcontroller
Manufacturer
Freescale Semiconductor, Inc
Datasheet
1.MC68HC908SR12.pdf
(404 pages)
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16.9.3 SCI Control Register 3
MC68HC908SR12•MC68HC08SR12 — Rev. 5.0
Freescale Semiconductor
NOTE:
Address:
SBK — Send Break Bit
Do not toggle the SBK bit immediately after setting the SCTE bit.
Toggling SBK before the preamble begins causes the SCI to send a
break character instead of a preamble.
SCI control register 3:
Reset:
Read:
Write:
Setting and then clearing this read/write bit transmits a break
character followed by a logic 1. The logic 1 after the break character
guarantees recognition of a valid start bit. If SBK remains set, the
transmitter continuously transmits break characters with no logic 1s
between them. Reset clears the SBK bit.
•
•
•
1 = Transmit break characters
0 = No break characters being transmitted
Stores the ninth SCI data bit received and the ninth SCI data bit to
be transmitted
Enables these interrupts:
– Receiver overrun interrupts
– Noise error interrupts
– Framing error interrupts
Parity error interrupts
Serial Communications Interface (SCI)
$0015
Bit 7
R8
U
Figure 16-11. SCI Control Register 3 (SCC3)
= Unimplemented
T8
U
6
DMARE
5
0
DMATE
4
0
Serial Communications Interface (SCI)
U = Unaffected
ORIE
3
0
NEIE
2
0
FEIE
1
0
I/O Registers
Data Sheet
PEIE
Bit 0
0
279
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