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MC68HC908GR4MP Datasheet(PDF) 164 Page - Freescale Semiconductor, Inc

Part # MC68HC908GR4MP
Description  M68HC08 Microcontrollers
PDF  286 Pages
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Manufacturer  FREESCALE [Freescale Semiconductor, Inc]
Direct Link  http://www.freescale.com
Logo FREESCALE - Freescale Semiconductor, Inc

MC68HC908GR4MP Datasheet(HTML) 164 Page - Freescale Semiconductor, Inc

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Serial Communications Interface (SCI)
MC68HC908GR8 • MC68HC908GR4 Data Sheet, Rev. 7
164
Freescale Semiconductor
18.4.1 Data Format
The SCI uses the standard non-return-to-zero mark/space data format illustrated in Figure 18-3.
Figure 18-3. SCI Data Formats
Addr.
Register Name
Bit 7
654321
Bit 0
$0013
SCI Control Register 1
(SCC1)
Read:
LOOPS
ENSCI
TXINV
M
WAKE
ILTY
PEN
PTY
Write:
Reset:
00000000
$0014
SCI Control Register 2
(SCC2)
Read:
SCTIE
TCIE
SCRIE
ILIE
TE
RE
RWU
SBK
Write:
Reset:
00000000
$0015
SCI Control Register 3
(SCC3)
Read:
R8
T8
R
R
ORIE
NEIE
FEIE
PEIE
Write:
Reset:
U
U
000000
$0016
SCI Status Register 1
(SCS1)
Read:
SCTE
TC
SCRF
IDLE
OR
NF
FE
PE
Write:
Reset:
11000000
$0017
SCI Status Register 2
(SCS2)
Read:
000000
BKF
RPF
Write:
Reset:
00000000
$0018
SCI Data Register
(SCDR)
Read:
R7
R6
R5
R4
R3
R2
R1
R0
Write:
T7
T6
T5
T4
T3
T2
T1
T0
Reset:
Unaffected by reset
$0019
SCI Baud Rate Register
(SCBR)
Read:
0
0
SCP1
SCP0
R
SCR2
SCR1
SCR0
Write:
Reset:
00000000
= Unimplemented
R = Reserved
U = Unaffected
Figure 18-2. SCI I/O Register Summary
BIT 5
START
BIT
BIT 0
BIT 1
NEXT
STOP
BIT
START
BIT
8-BIT DATA FORMAT
BIT M IN SCC1 CLEAR
START
BIT
BIT 0
NEXT
STOP
BIT
START
BIT
9-BIT DATA FORMAT
BIT M IN SCC1 SET
BIT 1
BIT 2
BIT 3
BIT 4
BIT 5
BIT 6
BIT 7
BIT 8
BIT 2
BIT 3
BIT 4
BIT 6
BIT 7
PARITY
BIT
PARITY
BIT



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