Fujitsu F2MC-8FX Hardware Manual page 504

CHAPTER 27 REAL TIME CLOCK
Real Time Clock Control Register Upper (RTCCRH)
Figure 27.3-2 Real Time Clock Control Register Upper (RTCCRH)
Address Bit 7
0FF0 MOS
H
R/W
R/W : Readable and writable
- : Unused
X : Indeterminate
: Initial value
490
Bit 6 Bit 5 Bit 4 Bit 3
DS HS MS MOC
R/W R/W R/W R/W
Bit 2 Bit 1 Bit 0 Initial value
DC HC MC 00000000
R/W R/W R/W
MC Minute compare bit
0 Minute compare register is masked
1 Enable minute comparison
HC Hour compare bit
0 Hour compare register is masked
1 Enable hour comparison
DC Day compare bit
0 Day compare register is masked
1 Enable day comparison
MOC Month compare bit
0 Month compare register is masked
1 Enable month comparison
Minute alarm interrupt request signal
MS
Read
No minute alarm interrupt
0
request
Minute alarm interrupt
1
request
Hour alarm interrupt request signal
HS
Read
No hour alarm interrupt
0
request
Hour alarm interrupt
1
request
Day alarm interrupt request signal
DS
Read
No day alarm interrupt
0
request
Day alarm interrupt
1
request
Month alarm interrupt request signal
MOS
Read
No month alarm interrupt
0
request
Month alarm interrupt
1
request
B
Write
Clear this bit
No effect
Write
Clear this bit
No effect
Write
Clear this bit
No effect
Write
Clear this bit
No effect