Fujitsu F2 MC-8FX Family, Hardware Manual

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CHAPTER 27 REAL TIME CLOCK
27.3 Registers of Real Time Clock
This section describes the registers related to the real time clock.
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Registers Related to real time clock
Figure 27.3-1 Registers Related to real time clock
Real time clock control register upper (RTCCRH)
Address bit7 bit6 bit5 bit4 bit3 bit2 bit0 bit0 Initial value
0FF0
H
RTCCRH
MOS DS HS MS MOC DC HC MC
00000000
B
R/W R/W R/W R/W R/W R/W R/W R/W
Real time clock control register lower (RTCCRL)
Address bit7 bit6 bit5 bit4 bit3 bit2 bit0 bit0 Initial value
0FF1
H
RTCCRL
PAU CL PS - INTS S2 S1 OE
00X00000
B
R/W R/W R/W
R0/
WX
R/W R/W R/W R/W
Minute compare register (MICR)
Address bit7 bit6 bit5 bit4 bit3 bit2 bit0 bit0 Initial value
0FF2
H
MICR
- - MIC5 MIC4 MIC3 MIC2 MIC1 MIC0
00XXXXX
X
B
R0/
WX
R0/
WX
R/W R/W R/W R/W R/W R/W
Hour compare register (HRCR)
Address bit7 bit6 bit5 bit4 bit3 bit2 bit0 bit0 Initial value
0FF3
H
HRCR
- - - HRC4 HRC3 HRC2 HRC1 HRC0
000XXXX
X
B
R0/
WX
R0/
WX
R0/
WX
R/W R/W R/W R/W R/W
Day compare register (DYCR)
Address bit7 bit6 bit5 bit4 bit3 bit2 bit0 bit0 Initial value
0FF4
H
DYCR
- - - - DYC3 DYC2 DYC1 DYC0
0000XXX
X
B
R0/
WX
R0/
WX
R0/
WX
R0/
WX
R/W R/W R/W R/W
Month compare register (MOCR)
Address bit7 bit6 bit5 bit4 bit3 bit2 bit0 bit0 Initial value
0FF5
H
MOCR
- - - -
MOC
3
MOC
2
MOC
1
MOC
0
0000XXX
X
B
R0/
WX
R0/
WX
R0/
WX
R0/
WX
R/W R/W R/W R/W