MC908KX2MDWE Datasheet, PDF (26/210 Pages) Freescale Semiconductor, Inc – High-performance M68HC08 architecture, Fully upward-compatible object code with M6805, M146805, and M68HC05 Families

Memory
Addr.
Register Name
Bit 7
6
5
4
3
2
1
Bit 0
SCI Status Register 2 ^Read:
0
0
0
0
0
0
BKF
RPF
$0017
(SCS2) Write:
See page 132. _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 133. _Reset:
Unaffected by reset
$0019
SCI Baud Rate Register ^Read:
0
(SCBR) Write:
See page 133. _Reset:
0
0
SCP1
SCP0
R
SCR2
SCR1
SCR0
0
0
0
0
0
0
0
Keyboard Status and Read: 0
0
0
0
KEYF
0
$001A
Control Register (KBSCR) _Write:
See page 99.
IMASKK MODEK
ACKK
Reset: 0
0
0
0
0
0
0
0
Keyboard Interrupt Enable ^Read:
0
$001B
Register (KBIER) Write:
See page 100. _Reset:
0
Timebase Control Register Read: TBIF
$001C
(TBCR) _Write:
See page 154.
Reset: 0
0
0
TBR2
0
0
0
TBR1
0
KBIE4
0
TBR0
0
KBIE3
0
0
TACK
0
KBIE2
0
TBIE
0
KBIE1
0
TBON
0
KBIE0
0
R
0
IRQ Status and Control ^Read:
0
0
0
0
IRQF1
0
IMASK1 MODE1
$001D
Register (ISCR) Write: R
R
R
R
R
ACK1
See page 94. _Reset:
0
0
0
0
0
0
0
0
$001E
$001F
Configuration Register 2^{(1) Read:}
(CONFIG2) Write:
See page 48. _Reset:
Configuration Register 1^{(1) Read:}
(CONFIG1) See page 47. _Write:
R
0
COPRS
0
EXT-
EXT-
EXT-
XTALEN SLOW CLKEN
0
0
0
0
LVISTOP LVIRSTD LVIPWRD LVI5OR3
0
OSCENIN-
STOP
SCIBDSRC
0
0
0
SSREC STOP COPD
POR Reset: 0
0
0
0
0
0
0
0
Other Resets: 0
0
0
0
U
0
0
0
1. LVI5OR3 is only writable after a power-on reset (POR). Bit 6 of CONFIG1 is read-only and will read 0.
All other bits in CONFIG1 and CONFIG2 are one-time writable after any reset.
$0020
Timer Status and Control ^Read:
Register (TSC) Write:
See page 163. _Reset:
$0021
Timer Counter Register High ^Read:
(TCNTH) Write:
See page 164. _Reset:
TOF
0
0
Bit 15
0
TOIE TSTOP
0
1
14
13
0
0
= Unimplemented
0
0
TRST
0
0
12
11
PS2
PS1
PS0
0
0
0
10
9
Bit 8
0
0
0
0
0
R = Reserved
U = Unaffected
Figure 2-2. Control, Status, and Data Registers (Sheet 2 of 5)
MC68HC908KX8 • MC68HC908KX2 • MC68HC08KX8 Data Sheet, Rev. 2.1
26
Freescale Semiconductor