MC68HC705C8A Datasheet, PDF (38/222 Pages) Motorola, Inc – HCMOS Microcontroller Unit

Memory
Addr.
$000A
$000B
$000C
$000D
$000E
$000F
$0010
$0011
$0012
Register Name
Bit 7
6
5
4
3
Read:
SPI Control Register
SPIE SPE
(SPCR) Write:
See page 147.
Reset: 0
0
MSTR CPOL
0
U
Read: SPIF
SPI Status Register
(SPSR) Write:
See page 149.
Reset: 0
WCOL
0
MODF
0
Read:
SPI Data Register
Bit 7 Bit 6 Bit 5 Bit 4
Bit 3
(SPDR) Write:
See page 147.
Reset:
Unaffected by reset
Read:
Baud Rate Register
(Baud) Write:
SCP1 SCP0
See page 134.
Reset: U
U
0
0
U
Read:
SCI Control Register 1
R8
T8
(SCCR1) Write:
See page 128.
Reset: U
U
M
WAKE
U
U
Read:
SCI Control Register 2
TIE TCIE RIE
ILIE
TE
(SCCR2) Write:
See page 129.
Reset: 0
0
0
0
0
Read: TDRE TC RDRF IDLE
OR
SCI Status Register
(SCSR) Write:
See page 131.
Reset: 1
1
0
0
0
Read:
SCI Data Register
Bit 7 Bit 6 Bit 5 Bit 4
Bit 3
(SCDR) Write:
See page 127.
Reset:
Unaffected by reset
Read:
Timer Control Register
ICIE OCIE TOIE
0
0
(TCR) Write:
See page 92.
Reset: 0
0
0
0
0
= Unimplemented U = Unaffected
2
CPHA
U
BIt 2
SCR2
U
RE
0
NF
0
Bit 2
0
0
1
SPR1
U
Bit 1
SCR1
U
RWU
0
FE
0
Bit 1
IEDG
U
Bit 0
SPR0
U
Bit 0
SCR0
U
SBK
0
U
Bit 0
OLVL
0
Figure 2-2. I/O Register Summary (Sheet 2 of 4)
Technical Data
38
Memory
MC68HC705C8A — Rev. 2.0
MOTOROLA