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參數(shù)資料
| 型號(hào)： | DS3234 |
| 廠商： | Maxim Integrated Products, Inc. |
| 英文描述： | Extremely Accurate SPI Bus RTC with Integrated Crystal and SRAM |
| 中文描述： | 高精度、SPI總線RTC，集成晶體和SRAM |
| 文件頁數(shù)： | 12/20頁 |
| 文件大?。?/td> | 328K |
| 代理商： | DS3234 |
D
Extremely Accurate SPI Bus RTC with
Integrated Crystal and SRAM
12
____________________________________________________________________
Figure 1. Address Map for DS3234 Timekeeping Registers and SRAM
Note:
Unless otherwise specified, the registers’ state is not defined when power is first applied. Bits defined as 0 cannot be written
to 1 and will always read 0.
ADDRESS
READ/WRITE
MSB
BIT 7
BIT 6
BIT 5
BIT 4
BIT 3
BIT 2
BIT 1
LSB
BIT 0
FUNCTION
RANGE
00h
01h
80h
81h
0
0
10 Seconds
10 Minutes
AM
/PM
10 hr
0
Seconds
Minutes
Seconds
Minutes
00–59
00–59
02h
82h
0
12/
24
10 hr
Hour
Hours
1-12 +
AM
/PM
00-23
03h
04h
83h
84h
0
0
0
0
0
0
Day
Day
Date
1-7
01-31
10 Date
Date
05h
85h
Century
0
0
10 Mo
Month
Month/
Century
01-12 + Century
06h
86h
10 Year
Year
Year
00-99
07h
87h
A1M1
10 Seconds
Seconds
Alarm 1
Seconds
00-59
08h
88h
A1M2
10 Minutes
Minutes
Alarm 1
Minutes
00-59
AM
/PM
09h
89h
A1M3
12/
24
10 hr
10 hr
Hour
Alarm 1
Hours
1-12 +
AM
/PM
00-23
0Ah
8Ah
A1M4
DY/
DT
0
10 Date
Day
Date
Alarm 1 Day
Alarm 1 Date
1-7
01-31
0Bh
8Bh
A2M2
10 Minutes
Minutes
Alarm 2
Minutes
00-59
AM
/PM
10 hr
0Ch
8Ch
A2M3
12/
24
10 hr
Hour
Alarm 2
Hours
1-12 +
AM
/PM
00-23
0Dh
8Dh
A2M4
DY/
DT
0
10 Date
Day
Date
Alarm 2 Day
Alarm 2 Date
1-7
01-31
0Eh
8Eh
EOSC
BBSQW
CONV
RS2
RS1
INTCN
A2IE
A1IE
Control
—
0Fh
8Fh
OSF
BB32kHz
CRATE1 CRATE0 EN32kHz
BSY
A2F
A1F
Control/
Status
—
10h
90h
SIGN
DATA
DATA
DATA
DATA
DATA
DATA
DATA
Crystal Aging
Offset
—
11h
12h
91h
92h
SIGN
DATA
DATA
DATA
DATA
0
DATA
0
DATA
0
DATA
0
DATA
0
DATA
0
Temp MSB
Temp LSB
Read Only
Read Only
13h
93h
0
0
0
0
0
0
0
BB_TD
Disable
Temp
Conversions
—
14h–17h
94h–97h
—
—
—
—
—
—
—
—
Reserved
—
18h
98h
A7
A6
A5
A4
A3
A2
A1
A0
SRAM
Address
—
19h
99h
D7
D6
D5
D4
D3
D2
D1
D0
SRAM Data
—
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相關(guān)代理商/技術(shù)參數(shù) |
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| DS3234_07 | 制造商:MAXIM 制造商全稱:Maxim Integrated Products 功能描述:Extremely Accurate SPI Bus RTC with Integrated Crystal and SRAM |
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| DS3234_BREAKOUT_ | 制造商:MCM 功能描述:DS3234 BREAKOUT BOARD 制造商:PREMIER FARNELL 功能描述:DS3234 BREAKOUT BOARD |
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