MC68HC908AT32 Datasheet, PDF (40/378 Pages) Freescale Semiconductor, Inc – Microcontrollers

Memory Map
Addr.
Register Name
Bit 7
6
5
4
3
2
1
Bit 0
$0011
SPI Status and Control ^Read:
Register (SPSCR) Write:
See page 180. _Reset:
SPRF
R
0
ERRIE
0
OVRF
R
0
MODF
R
0
SPTE
R
1
MODFEN
0
SPR1
0
SPR0
0
$0012
SPI Data Register ^{Read: R7}
R6
R5
R4
R3
R2
R1
R0
(SPDR) Write: T7
T6
T5
T4
T3
T2
T1
T0
See page 182. _Reset:
Unaffected by reset
$0013
SCI Control Register 1 ^Read: _{LOOPS ENSCI TXINV}
M
WAKE ILTY
PEN
PTY
(SCC1) Write:
See page 152. _{Reset: 0}
0
0
0
0
0
0
0
$0014
SCI Control Register 2 ^Read: _SCTIE
TCIE
SCRIE
ILIE
TE
RE
RWU
SBK
(SCC2) Write:
See page 154. _{Reset: 0}
0
0
0
0
0
0
0
$0015
SCI Control Register 3 ^{Read: R8}
T8
R
(SCC3) Write:
See page 156. _{Reset: U}
U
0
R
ORIE NEIE FEIE PEIE
0
0
0
0
0
$0016
SCI Status Register 1 ^{Read: SCTE}
TC
SCRF IDLE
OR
NF
FE
PE
(SCS1) Write:
See page 157. _{Reset: 1}
1
0
0
0
0
0
0
$0017
SCI Status Register 2 ^Read:
BKF
RPF
(SCS2) Write:
See page 159. _{Reset: 0}
0
0
0
0
0
0
0
$0018
SCI Data Register ^{Read: R7}
R6
R5
R4
R3
R2
R1
R0
(SCDR) Write: T7
T6
T5
T4
T3
T2
T1
T0
See page 160. _Reset:
Unaffected by reset
$0019
SCI Baud Rate Register ^Read:
(SCBR) Write:
See page 160. _{Reset: 0}
SCP1 SCP0
R
SCR2 SCR1 SCR0
0
0
0
0
0
0
0
$001A
IRQ Status and Control ^{Read: 0}
0
0
0
IRQF1
0
IMASK1 MODE1
Register (ISCR) Write: R
R
R
R
R
ACK1
See page 137. _{Reset: 0}
0
0
0
0
0
0
0
Keyboard Status and Control ^{Read: 0}
0
0
0
KEYF
0
IMASKK MODEK
$001B
Register (KBSCR) Write:
ACKK
See page 285. _{Reset: 0}
0
0
0
0
0
0
0
$001C
PLL Control Register ^Read: _PLLIE
PLLF
PLLON
BCS
1
1
1
1
(PCTL) Write:
See page 101. _{Reset: 0}
0
1
0
1
1
1
1
Italic Type = MC68HC08AS20 Specific
Boldface Type = MC68HC08AZ32 Specific
= Unimplemented
R = Reserved
U = Unaffected
X = Indeterminate
Figure 2-2. Control, Status, and Data Registers (Sheet 3 of 9)
MC68HC908AT32 Data Sheet, Rev. 3.1
40
Freescale Semiconductor