MC68HC908AB32 Datasheet, PDF (47/392 Pages) Motorola, Inc – HCMOS Microcontroller Unit

Memory Map
Addr.
$0014
$0015
$0016
$0017
$0018
$0019
$001A
$001B
$001C
$001D
Register Name
Bit 7
6
5
Read:
SCI Control Register 2
(SCC2)
Write:
SCTIE
TCIE
SCRIE
Reset: 0
0
0
Read: R8
SCI Control Register 3
(SCC3)
Write:
T8
R
Reset: Unaffected Unaffected
0
Read: SCTE
TC
SCRF
SCI Status Register 1
(SCS1)
Write:
Reset: 1
1
0
Read: 0
0
0
SCI Status Register 2
(SCS2)
Write:
Reset: 0
0
0
Read: R7
R6
R5
SCI Data Register
(SCDR)
Write:
T7
T6
T5
Reset:
Read: 0
SCI Baud Rate Register
(SCBR)
Write:
Reset: 0
0
SCP1
0
0
IRQ Status and Control ^{Read: 0}
0
0
Register Write:
(ISCR) _{Reset: 0}
0
0
Keyboard Status and Read: 0
0
0
Control Register
(KBSCR)
Write:
Reset: 0
0
0
Read:
PLL Control Register
(PCTL)
Write:
Reset:
PLLIE
0
PLLF
0
PLLON
1
PLL Bandwidth Control ^Read: _AUTO
LOCK
ACQ
Register Write:
(PBWC) _{Reset: 0}
0
0
= Unimplemented
4
3
2
1
Bit 0
ILIE
TE
RE
RWU
SBK
0
0
0
0
0
R
ORIE
NEIE
FEIE
PEIE
0
0
0
0
0
IDLE
OR
NF
FE
PE
0
0
0
0
0
0
0
0
BKF
RPF
0
0
0
0
0
R4
R3
R2
R1
R0
T4
T3
T2
T1
T0
Unaffected by reset
SCP0
R
SCR2 SCR1 SCR0
0
0
0
0
0
0
IRQF
0
IMASK MODE
ACK
0
0
0
0
0
0
KEYF
0
IMASKK MODEK
ACKK
0
0
0
0
0
1
1
1
1
BCS
0
1
1
1
1
0
0
0
0
XLD
0
0
0
0
0
R = Reserved
Figure 2-2. Control, Status, and Data Registers (Sheet 3 of 11)
MC68HC908AB32 — Rev. 1.1
Freescale Semiconductor
Memory Map
Technical Data
47