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参数资料
| 型号： | MSM6782-01MS-K |
| 厂商： | LAPIS SEMICONDUCTOR CO LTD |
| 元件分类： | 时钟/数据恢复及定时提取 |
| 英文描述： | 0 TIMER(S), REAL TIME CLOCK, PDSO8 |
| 封装： | 0.250 INCH, PLASTIC, SOP-8 |
| 文件页数： | 17/18页 |
| 文件大小： | 144K |
| 代理商： | MSM6782-01MS-K |
126
Semiconductor
MSM6782-01
FUNCTIONAL DESCRIPTION
REGISTER TABLE
The relation between the register's bit 0 and bit 1 is logically positive as 0=”L” and 1=”H”.
The counted values are in BCD notation.
For example, with 1-year register (Y1), (y8, y4, y2, y1) = (0, 0, 1, 0) means the last digit (“2”) of
“1992”.
Bit * also can be used as RAM.
It is unexecutable to write data into the IRQ-F bit.
The IRQ-F bit is set to “1” when a specified carry determined by the combination of t1 and t0
is executed.
The IRQ-F bit holds “1” until the reading of CD is complete and is reset to “0” automatically
after the reading of CD is complete .
The bit fo (OSC FLAG) memorizes that oscillation stops.
This bit is used to monitor the battery.
This bit is cleared by writing a “0”. (A “1” also can be written into this bit.)
The bit fr (READ FLAG) goes “0” when the CE pin is set at “L” level and goes “1” when a carry
occurs for 1-second digit while the CE input is at “H” level.
Thus, it is possible to judge whether a carry occurs for 1-second digit during the reading of
the clock register (CE input = “H”).
If the bit fr is set at “1”, it is required to read the clock register once more.
The “1” of the PM/AM bit indicates PM and its “0” indicates AM.
Register
name
1-second digit register
S1
0
Note
A3A2A1A0
D3
(MSB)
D2
D1
D0
(LSB)
Count
range
1
2
3
4
5
6
7
8
9
A
B
C
D
E
F
HEX
0 0 0 0
0 0 0 1
0 0 1 0
0 0 1 1
0 1 0 0
0 1 0 1
0 1 1 0
0 1 1 1
1 0 0 0
1 0 0 1
1 0 1 0
1 0 1 1
1 1 0 0
1 1 0 1
1 1 1 0
1 1 1 1
S10
MI1
MI10
H1
H10
D1
D10
MO1
MO10
Y1
Y10
W
CD
CE
CF
s8
fO
mi8
fr
h8
fr
d8
fr
mo8
fr
y8
y80
fr
30-secADJ
t1
TEST
s4
s40
mi4
mi40
h4
PM/AM
d4
*
mo4
*
y4
y40
w4
IRQ-F
t0
24/12
s2
s20
mi2
mi20
h2
h20
d2
d20
mo2
*
y2
y20
w2
CAL/HW
INT/STND
STOP
s1
s10
mi1
mi10
h1
h10
d1
d10
mo1
mo10
y1
y10
w1
HOLD
MASK
REST
0 to 9
0 to 5
0 to 9
0 to 5
0 to 9
0 to 1, 2
0 to 9
0 to 3
0 to 9
0 to 1
0 to 9
0 to 6
—
10-second digit register
1-minute digit register
10-minute digit register
1-hour digit register
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 digit register
Control register D
Control register E
Control register F
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