MC68HC08AS20 Datasheet, PDF (240/386 Pages) Freescale Semiconductor, Inc – M68HC08 Microcontrollers

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Table 17-2. SCI Transmitter I/O Register Summary
Register Name
Bit 7
SCI Control Register 1
(SCC1)
Read:
Write:
Reset:
LOOPS
0
SCI Control Register 2
(SCC2)
Read:
Write:
Reset:
SCTIE
0
Read: R8
SCI Control Register 3
(SCC3)
Write:
Reset: U
SCI Status Register 1
(SCS1)
Read:
Write:
Reset:
SCTE
R
1
Read: 0
SCI Status Register 2
(SCS2)
Write:
R
Reset: 0
Read: R7
SCI Data Register
(SCDR)
Write:
T7
Reset:
Read: 0
SCI Baud Rate Register
(SCBR)
Write:
R
Reset: 0
6
ENSCI
0
TCIE
0
T8
U
TC
R
1
0
R
0
R6
T6
0
R
0
5
TXINV
0
SCRIE
0
R
0
SCRF
R
0
0
R
0
R5
T5
SCP1
0
4
3
M
WAKE
0
0
ILIE
TE
0
0
R
ORIE
0
0
IDLE
OR
R
R
0
0
0
0
R
R
0
0
R4
R3
T4
T3
Unaffected by Reset
SCP0
R
0
0
2
ILTY
0
RE
0
NEIE
0
NF
R
0
0
R
0
R2
T2
SCR2
0
1
PEN
0
RWU
0
FEIE
0
FE
R
0
BKF
R
0
R1
T1
SCR1
0
Bit 0
PTY
0
SBK
0
PEIE
0
PE
R
0
RPF
R
0
R0
T0
SCR0
0
= Unimplemented
R
= Reserved
U = Unaffected
Advance Information
240
MC68HC08AS20 —Rev. 4.1
Freescale Semiconductor