MC68HC908LJ12 Datasheet, PDF (52/413 Pages) Freescale Semiconductor, Inc – 8-bit microcontroller units

Memory Map
Addr.
$0045
$0046
$0047
$0048
$0049
$004A
$004B
$004C
$004D
$004E
Register Name
Bit 7
Read: 0
Alarm Minute Register
(ALMR)
Write:
Reset: 0
Read: 0
Alarm Hour Register
(ALHR)
Write:
Reset: 0
Read: 0
Second Register
(SECR)
Write:
Reset: 0
Read: 0
Minute Register
(MINR)
Write:
Reset: 0
Read: 0
Hour Register
(HRR)
Write:
Reset: 0
Read: 0
Day Register
(DAYR)
Write:
Reset: 0
Read: 0
Month Register
(MTHR)
Write:
Reset: 0
Read:
Year Register
(YRR)
Write:
YR7
Reset: 0
Read: 0
Day-Of-Week Register
(DOWR)
Write:
Reset: 0
Chronograph Data ^{Read: 0}
Register Write:
(CHRR) _{Reset: 0}
6
0
0
0
0
0
0
0
0
0
0
0
0
0
0
YR6
0
0
0
CHR6
5
AM5
0
0
0
SEC5
0
MIN5
0
0
0
0
0
0
0
YR5
0
0
0
CHR5
4
AM4
0
AH4
0
SEC4
0
MIN4
0
HR4
0
DAY4
0
0
0
YR4
0
0
0
CHR4
3
AM3
0
AH3
0
SEC3
0
MIN3
0
HR3
0
DAY3
0
MTH3
0
YR3
0
0
0
CHR3
2
1
Bit 0
AM2
AM1
AM0
0
0
0
AH2
AH1
AH0
0
0
0
SEC2 SEC1 SEC0
0
0
0
MIN2 MIN1 MIN0
0
0
0
HR2
HR1
HR0
0
0
0
DAY2 DAY1 DAY0
0
0
1
MTH2 MTH1 MTH0
0
0
1
YR2
YR1
YR0
0
0
0
DOW2 DOW1 DOW0
0
CHR2
0
CHR1
0
CHR0
0
0
0
0
0
0
0
U = Unaffected
X = Indeterminate
= Unimplemented
R = Reserved
Figure 2-2. Control, Status, and Data Registers (Sheet 8 of 12)
MC68HC908LJ12 — Rev. 2.1
Freescale Semiconductor
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Technical Data
53