MC68HC08AS20 Datasheet, PDF (44/386 Pages) Freescale Semiconductor, Inc – M68HC08 Microcontrollers

Addr.
$000B
$000C
$000D
$000E
$000F
$0010
$0011
$0012
$0013
$0014
$0015
$0016
Register Name
Bit 7
6
5
4
3
2
1
Bit 0
Read:
Data Direction Register E
(DDRE)
Write:
Reset:
Read:
Data Direction Register F
(DDRF)
Write:
Reset:
DDRE7
0
0
0
DDRE6
0
0
0
DDRE5
0
0
0
DDRE4
0
0
0
DDRE3 DDRE2
0
0
DDRF3 DDRF2
0
0
DDRE1
0
DDRF1
0
DDRE0
0
DDRF0
0
Read:
SPI Control Register
(SPCR)
Write:
Reset:
SPRIE
0
R SPMSTR CPOL CPHA SPWOM SPE SPTIE
0
1
0
1
0
0
0
Read:
SPI Status and Control
Register (SPSCR)
Write:
Reset:
SPRF
0
ERRIE
0
OVRF
0
MODF
0
SPTE _{MODFEN SPR1}
1
0
0
SPR0
0
Read: R7
R6
R5
R4
R3
R2
R1
R0
SPI Data Register
(SPDR)
Write:
T7
T6
T5
T4
T3
T2
T1
T0
Reset:
Indeterminate after Reset
Read:
SCI Control Register 1
(SCC1)
Write:
LOOPS
ENSCI
TXINV
M
WAKE ILTY PEN PTY
Reset: 0
0
0
0
0
0
0
0
Read:
SCI Control Register 2
(SCC2)
Write:
SCTIE
TCIE
SCRIE
ILIE
TE
RE RWU SBK
Reset: 0
0
0
0
0
0
0
0
Read: R8
SCI Control Register 3
(SCC3)
Write:
T8
R
Reset: U
U
0
R
ORIE NEIE FEIE PEIE
0
0
0
0
0
Read: SCTE TC SCRF IDLE
OR
NF
FE
PE
SCI Status Register 1
(SCS1)
Write:
R
R
R
R
R
R
R
R
Reset: 1
1
0
0
0
0
0
0
= Unimplemented
R = Reserved
U = Unaffected
X = Indeterminate
Figure 2-2. Control, Status, and Data Registers (Sheet 2 of 7)
Advance Information
44
MC68HC08AS20 —Rev. 4.1
Freescale Semiconductor