mc68hc908mr32 Freescale Semiconductor, Inc, mc68hc908mr32 Datasheet - Page 160

• Manufacturer Part Number: mc68hc908mr32
• Description: M68hc08 Microcontrollers
• Manufacturer: Freescale Semiconductor, Inc

Serial Communications Interface Module (SCI)
13.3.1 Data Format
The SCI uses the standard non-return-to-zero mark/space data format illustrated in
160
$003A
$003B
$003C
$003D
$003E
$0038
$0039
Addr.
START
START
Register Name
BIT
BIT
SCI Baud Rate Register
SCI Control Register 1
SCI Control Register 2
SCI Control Register 3
SCI Status Register 1
SCI Status Register 2
SCI Data Register
BIT 0
BIT 0
See page 169.
See page 171.
See page 173.
See page 174.
See page 176.
See page 177.
See page 177.
(SCDR)
(SCBR)
(SCC1)
(SCC2)
(SCC3)
(SCS1)
(SCS2)
BIT 1
BIT 1
MC68HC908MR32 • MC68HC908MR16 Data Sheet, Rev. 6.1
Figure 13-3. SCI I/O Register Summary
BIT 2
BIT 2
Reset:
Reset:
Reset:
Reset:
Reset:
Reset:
Reset:
Read:
Read:
Read:
Read:
Read:
Read:
Read:
Write:
Write:
Write:
Write:
Write:
Write:
Write:
Figure 13-4. SCI Data Formats
BIT 3
BIT 3
LOOPS
SCTIE
SCTE
Bit 7
R8
R7
T7
R
R
U
R
R
R
0
0
1
0
0
0
0
BIT M IN SCC1 CLEAR
8-BIT DATA FORMAT
9-BIT DATA FORMAT
BIT M IN SCC1 SET
BIT 4
BIT 4
= Reserved
ENSCI
TCIE
TC
R6
T8
T6
U
R
R
R
6
0
0
1
0
0
0
0
BIT 5
BIT 5
SCRIE
TXINV
SCRF
SCP1
R5
T5
R
R
R
5
0
0
0
0
0
0
0
0
BIT 6
BIT 6
Unaffected by reset
POSSIBLE
SCP0
IDLE
PARITY
ILIE
R4
T4
BIT 7
BIT 7
M
R
R
R
4
0
0
0
0
0
0
0
0
BIT
POSSIBLE
U = Unaffected
PARITY
STOP
WAKE
BIT 8
ORIE
BIT
BIT
OR
TE
R3
T3
R
R
R
3
0
0
0
0
0
0
0
0
START
STOP
NEXT
BIT
BIT
SCR2
NEIE
ILTY
RE
NF
R2
T2
R
R
2
0
0
0
0
0
0
0
Freescale Semiconductor
Figure
START
NEXT
BIT
SCR1
RWU
FEIE
PEN
BKF
FE
R1
T1
13-4.
R
R
1
0
0
0
0
0
0
SCR0
PEIE
Bit 0
PTY
SBK
RPF
PE
R0
T0
R
R
0
0
0
0
0
0