RS5C313 RICOH Co.,Ltd., RS5C313 Datasheet - Page 7

• Manufacturer Part Number: RS5C313
• Description: Ultra-compact Real-time Clock Ic
• Manufacturer: RICOH Co.,Ltd.

FUNCTIONAL DESCRIPTIONS
1. Addressing
D
A
B
C
E
0
1
2
3
4
5
6
7
8
9
F
*
*
*
*
1) All the listed data can be read and written .
2) The “—” mark indicates data which can be read only and set to “0” when read .
3) The WTEN/XSTP bit of the control register is set to WTEN for write operation and XSTP for read operation.
4) The ADJ/BSY bit of the control register is set to ADJ for write operation and BSY for read operation.
A3
0
0
0
0
0
0
0
0
1
1
1
1
1
1
1
1
A2
0
0
0
0
1
1
1
1
0
0
0
0
1
1
1
1
Address
A1
0
0
1
1
0
0
1
1
0
0
1
1
0
0
1
1
A0
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
1-second counter
10-second counter
1-minute counter
10-minute counter
1-hour counter
10-hour counter
Day-of-the-week counter
Interrupt cycle register
1-day counter
10-day counter
1-month counter
10-month counter
1-year counter
10-year counter
Control register
Test register
Description
CTFG
MO
CT
Y
D3
M
H
D
S
—*
—
—
—
—
—
Y
—
80
8
8
8
8
8
3
8
2
12/24
MO
M
CT
Y
S
M
W
H
D
D2
S
—
—
—
Y
—
40
40
4
40
4
4
4
4
4
2
4
Data*
WTEN/XSTP*
P/A or H
1
MO
M
CT
D
Y
S
M
W
D1
H
D
—
Y
—
S
20
20
20
2
20
2
2
2
2
2
1
2
20
3
RS5C313
ADJ/BSY*
MO
TEST
MO
M
CT
H
D
Y
S
M
W
H
D
D0
Y
S
10
10
10
10
1
10
1
1
1
1
1
0
10
1
4
7