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REGISTER TABLE
Address Input
Register
Address
Input
A
3
A
2
A
1
A
0
Name
0
1
2
3
4
5
0
0
0
0
0
0
0
0
0
0
1
1
0
0
1
1
0
0
0
1
0
1
0
1
S
1
S
10
MI
1
MI
10
H
1
H
10
D
1
D
10
MO
1
MO
10
Y
1
Y
10
W
Data
D
3
S
8
*
mi
8
*
h
8
D
2
S
4
S
40
mi
4
mi
40
h
4
PM/
AM
d
4
*
mo
4
*
y
4
y
40
w
4
D
1
S
2
S
20
mi
2
mi
20
h
2
h
20
d
2
d
20
mo
2
*
y
2
y
20
w
2
D
0
S
1
S
10
mi
1
mi
10
h
1
h
10
d
1
d
10
mo
1
MO
10
y
1
y
10
w
1
Count
value
0 to 9
0 to 5
0 to 9
0 to 5
0 to 9
0 to 2
or 0 to 1
0 to 9
0 to 3
0 to 9
0 to 1
0 to 9
0 to 9
0 to 6
MSM6242B
Description
1-second digit register
10-second digit register
1-minute digit register
10-minute digit register
1-hour digit register
PM/AM, 10-hour digit
register
1-day digit register
10-day digit register
1-month digit register
10-month digit register
1-year digit register
10-year digit register
Week register
*
6
7
8
9
A
B
C
0
0
1
1
1
1
1
1
1
0
0
0
0
1
1
1
0
0
1
1
0
0
1
0
1
0
1
0
d
8
*
mo
8
*
y
8
y
80
*
30
sec.
ADJ
D
1
1
0
1
C
D
IRQ
FLAG
BUSY
HOLD
—
Control Register D
E
F
1
1
1
1
1
1
0
1
C
E
C
F
t
1
t
0
ITRPT
MASK
/STND
STOP
REST
—
—
Control Register E
Control Register F
TEST
24/12
REST = RESET
ITRPT/STND = INTERRUPT/STANDARD
Note 1)
Note 2)
Note 3)
Note 4)
Bit * does not exist (unrecognized during a write and held at "0" during a read).
Be sure to mask the AM/PM bit when processing 10's of hour's data.
BUSY bit is read only. The IRQ FLAG bit can only be set to a "0". Setting the IRQ FLAG to a "1" is done by
hardware.
PM at 1 and AM at 0 for PM / AM bit.
Figure 1. Register Table
25
OKI [ OKI ELECTRONIC COMPONETS ]
