參數(shù)資料
型號: R2025S
廠商: RICOH COMPANY LTD
元件分類: XO, clock
英文描述: High precision I2C-Bus Real-Time Clock Module
中文描述: REAL TIME CLOCK, PDSO14
封裝: 10.10 X 7.40 MM, 3.10 MM HEIGHT, SOP-14
文件頁數(shù): 10/47頁
文件大小: 524K
代理商: R2025S
R2025S/D
Address Mapping
10
A3A2A1A0
0
0 0 0 0
Address
Register Name
Second Counter
D a t a
D4
S10
D7
-
*2)
-
-
D6
S40
D5
S20
D3
S8
D2
S4
D1
S2
D0
S1
1
2
0 0 0 1
0 0 1 0
Minute Counter
Hour Counter
M40
-
M20
H20
P
/A
-
D20
-
M10
H10
M8
H8
M4
H4
M2
H2
M1
H1
3
4
5
0 0 1 1
0 1 0 0
0 1 0 1
Day-of-week Counter
Day-of-month Counter
Month Counter and
Century Bit
Year Counter
Oscillation Adjustment
Register *3)
Alarm_W
(Minute Register)
Alarm_W
(Hour Register)
Alarm_W
(Day-of-week
Register)
Alarm_D
(Minute Register)
Alarm_D
(Hour Register)
Control Register 1 *3) WALE
Control Register 2 *3)
-
-
-
-
-
-
-
W4
D4
MO4
W2
D2
MO2
W1
D1
MO1
D10
MO10
D8
MO8
/19
20
6
7
0 1 1 0
0 1 1 1
Y80
(0)
*4)
-
Y40
F6
Y20
F5
Y10
F4
Y8
F3
Y4
F2
Y2
F1
Y1
F0
8
1 0 0 0
WM40
WM20
WM10
WM8
WM4
WM2
WM1
9
1 0 0 1
-
-
WH20
WP
/ A
WW5
WH10
WH8
WH4
WH2
WH1
A
1 0 1 0
-
WW6
WW4
WW3 WW2
WW1
WW0
B
1 0 1 1
-
DM40
DM20
DM10
DM8
DM4
DM2
DM1
C
1 1 0 0
-
-
DH20
DP
/A
-
/12
24 /CLEN2
/XST
DH10
DH8
DH4
DH2
DH1
D
E
F
1 1 0 1
1 1 1 0
1 1 1 1
-
-
-
-
-
-
-
DALE
VDET
TEST
/CLEN1 CTFG WAFG
CT2
CT1
CT0
DAFG
VDSL
PON
*5)
Notes:
*1) All the data listed above accept both reading and writing.
*2) The data marked with "-" is invalid for writing and reset to 0 for reading.
*3) When the PON bit is set to 1 in Control Register 2, all the bits are reset to 0 in Oscillation Adjustment
Register, Control Register 1 and Control Register 2 excluding the /XST and PON bits.
*4) The (0) bit should be set to 0.
*5) /XST is oscillation halt sensing bit.
*6) PON is power-on reset flag.
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