MC68HC908GR8 Datasheet, PDF (31/286 Pages) Freescale Semiconductor, Inc – M68HC08 Microcontrollers

Register Summary
Addr.
$0012
$0013
$0014
$0015
$0016
$0017
$0018
$0019
$001A
$001B
$001C
$001D
Register Name
Read:
SPI Data Register
(SPDR)
Write:
Reset:
Read:
SCI Control Register 1
(SCC1)
Write:
Reset:
Read:
SCI Control Register 2
(SCC2)
Write:
Reset:
Read:
SCI Control Register 3
(SCC3)
Write:
Reset:
Read:
SCI Status Register 1
(SCS1)
Write:
Reset:
Read:
SCI Status Register 2
(SCS2)
Write:
Reset:
Read:
SCI Data Register
(SCDR)
Write:
Reset:
Read:
SCI Baud Rate Register
(SCBR)
Write:
Reset:
Keyboard Status ^Read:
and Control Register Write:
(INTKBSCR) _Reset:
Read:
Keyboard Interrupt Enable
Register (INTKBIER)
Write:
Reset:
Read:
Time Base Module Control
Register (TBCR)
Write:
Reset:
Read:
IRQ Status and Control
Register (INTSCR)
Write:
Reset:
Bit 7
R7
T7
LOOPS
0
SCTIE
0
R8
U
SCTE
1
0
0
R7
T7
0
0
0
0
0
TBIF
0
0
0
6
5
R6
R5
T6
T5
ENSCI
0
TCIE
0
T8
U
TC
TXINV
0
SCRIE
0
R
0
SCRF
1
0
0
0
0
0
R6
R5
T6
T5
0
SCP1
0
0
0
0
0
0
0
0
TBR2
0
0
TBR1
0
0
0
0
= Unimplemented
4
3
R4
R3
T4
T3
Unaffected by reset
M
WAKE
0
0
ILIE
TE
0
0
R
ORIE
0
0
IDLE
OR
0
0
0
0
0
0
R4
R3
T4
T3
Unaffected by reset
SCP0
R
0
0
0
KEYF
0
0
TBR0
0
0
0
KBIE3
0
0
TACK
0
IRQF1
0
0
R = Reserved
2
1
Bit 0
R2
R1
R0
T2
T1
T0
ILTY
PEN
PTY
0
0
0
RE
RWU
SBK
0
0
0
NEIE
FEIE
PEIE
0
0
0
NF
FE
PE
0
0
0
0
BKF
RPF
0
0
0
R2
R1
R0
T2
T1
T0
SCR2
SCR1
SCR0
0
0
ACKK
0
0
0
IMASKK MODEK
0
0
KBIE2 KBIE1 KBIE0
0
0
0
TBIE
TBON
R
0
0
0
ACK1
IMASK1
0
0
U = Unaffected
0
MODE1
0
Figure 2-2. Control, Status, and Data Registers (Sheet 3 of 7)
MC68HC908GR8 • MC68HC908GR4 Data Sheet, Rev. 7
Freescale Semiconductor
31