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Addr.
Register Name
SCI Control Register 2
$0014
(SCC2)
SCI Control Register 3
$0015
(SCC3)
SCI Status Register 1
$0016
(SCS1)
SCI Status Register 2
$0017
(SCS2)
SCI Data Register
$0018
(SCDR)
SCI Baud Rate Register
$0019
(SCBR)
Keyboard Status
$001A
and Control Register
(INTKBSCR)
Keyboard Interrupt Enable
$001B
Register
(INTKBIER)
Time Base Module Control
$001C
Register
(TBCR)
IRQ Status and Control
$001D
Register
(INTSCR)
Figure 2-2. Control, Status, and Data Registers (Sheet 3 of 8)
MC68HC908GP32
MC68HC08GP32
•
MOTOROLA
Freescale Semiconductor, Inc.
Bit 7
6
Read:
SCTIE
TCIE
Write:
Reset:
0
0
Read:
R8
T8
Write:
Reset:
U
U
Read:
SCTE
TC
Write:
Reset:
1
1
Read:
Write:
Reset:
0
0
Read:
R7
R6
Write:
T7
T6
Reset:
Read:
Write:
Reset:
0
0
Read:
0
0
Write:
Reset:
0
0
Read:
KBIE7
KBIE6
Write:
Reset:
0
0
Read:
TBIF
TBR2
Write:
Reset:
0
0
Read:
0
0
Write:
Reset:
0
0
= Unimplemented
Rev. 6
—
Memory Map
For More Information On This Product,
Go to: www.freescale.com
5
4
3
SCRIE
ILIE
TE
0
0
0
DMARE
DMATE
ORIE
0
0
0
SCRF
IDLE
OR
0
0
0
0
0
0
R5
R4
R3
T5
T4
T3
Unaffected by reset
SCP1
SCP0
R
0
0
0
0
0
KEYF
0
0
0
KBIE5
KBIE4
KBIE3
0
0
0
0
TBR1
TBR0
TACK
0
0
0
0
0
IRQF
0
0
0
R = Reserved
Memory Map
Input/Output (I/O) Section
2
1
Bit 0
RE
RWU
SBK
0
0
0
NEIE
FEIE
PEIE
0
0
0
NF
FE
PE
0
0
0
BKF
RPF
0
0
0
R2
R1
R0
T2
T1
T0
SCR2
SCR1
SCR0
0
0
0
0
IMASKK
MODEK
ACKK
0
0
0
KBIE2
KBIE1
KBIE0
0
0
0
TBIE
TBON
R
0
0
0
0
IMASK
MODE
ACK
0
0
0
U = Unaffected
Technical Data
49
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