MC68HC908LK24 MOTOROLA [Motorola, Inc], MC68HC908LK24 Datasheet - Page 220

• Manufacturer Part Number: MC68HC908LK24
• Description: Microcontrollers
• Manufacturer: MOTOROLA [Motorola, Inc]

Real Time Clock (RTC)
Data Sheet
220
$004C
$004D
$004A
$004B
$004E
$0046
$0047
$0048
$0049
Day-Of-Week Register
Alarm Hour Register
Chronograph Data
Second Register
Minute Register
Month Register
Hour Register
Year Register
Day Register
(DOWR)
Register
(MTHR)
(CHRR)
(SECR)
(DAYR)
(ALHR)
(MINR)
(HRR)
(YRR)
Reset:
Reset:
Reset:
Reset:
Reset:
Reset:
Reset:
Reset:
Reset:
Read:
Write:
Read:
Write:
Read:
Write:
Read:
Write:
Read:
Write:
Read:
Write:
Read:
Write:
Read:
Write:
Read:
Write:
Figure 12-1. RTC I/O Register Summary
Freescale Semiconductor, Inc.
For More Information On This Product,
U = Unaffected
YR7
U
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
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Real Time Clock (RTC)
CHR6
YR6
U
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
CHR5
SEC5
MIN5
YR5
U
U
U
0
0
0
0
0
0
0
0
0
0
0
= Unimplemented
CHR4
SEC4
DAY4
MIN4
AH4
HR4
YR4
U
U
U
U
U
U
0
0
0
0
0
SEC3
MTH3
CHR3
DAY3
MIN3
HR3
AH3
YR3
U
U
U
U
U
U
U
0
0
0
MC68HC908LJ24/LK24 — Rev. 2
DOW2
MTH2
CHR2
SEC2
DAY2
MIN2
HR2
AH2
YR2
U
U
U
U
U
U
U
U
R
0
= Reserved
DOW1
MTH1
CHR1
SEC1
MIN1
DAY1
AH1
HR1
YR1
U
U
U
U
U
U
U
U
0
MOTOROLA
DOW0
MTH0
CHR0
SEC0
MIN0
DAY0
AH0
HR0
YR0
U
U
U
U
U
U
U
U
0