mc68hc908gr8vp Freescale Semiconductor, Inc, mc68hc908gr8vp Datasheet - Page 164

• Manufacturer Part Number: mc68hc908gr8vp
• Description: M68hc08 Microcontrollers Microcontroller
• Manufacturer: Freescale Semiconductor, Inc

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