Accurate I2C RTC with Integrated TCXO/Crystal/FRAM 16 __________" />
參數(shù)資料
型號(hào): DS32C35-33#T&R
廠(chǎng)商: Maxim Integrated Products
文件頁(yè)數(shù): 8/22頁(yè)
文件大?。?/td> 0K
描述: IC RTC ACCURATE I2C 3.3V 20-SOIC
產(chǎn)品變化通告: Product Discontinuation 28/Nov/2011
標(biāo)準(zhǔn)包裝: 1,000
類(lèi)型: 時(shí)鐘/日歷
特點(diǎn): 警報(bào)器,F(xiàn)RAM,閏年,方波輸出,TCXO/晶體
存儲(chǔ)容量: 8KB
時(shí)間格式: HH:MM:SS(12/24 小時(shí))
數(shù)據(jù)格式: YY-MM-DD-dd
接口: I²C,2 線(xiàn)串口
電源電壓: 2.7 V ~ 3.63 V
電壓 - 電源,電池: 2.3 V ~ 3.6 V
工作溫度: 0°C ~ 70°C
安裝類(lèi)型: 表面貼裝
封裝/外殼: 20-SOIC(0.295",7.50mm 寬)
供應(yīng)商設(shè)備封裝: 20-SOIC W
包裝: 帶卷 (TR)
DS32B35/DS32C35
Accurate I2C RTC with Integrated
TCXO/Crystal/FRAM
16
____________________________________________________________________
Note: Unless otherwise specified, the state of the registers is not defined when power is first applied.
Temperature Registers (11h–12h)
Temperature is represented as a 10-bit code with a res-
olution of +0.25°C and is accessible at location 11h
and 12h. The temperature is encoded in two’s comple-
ment format. The upper 8 bits are at location 11h, and
the lower 2 bits are in the upper nibble at location 12h.
Upon power reset, the registers are set to a default
temperature of 0°C and the controller starts a tempera-
ture conversion. New temperature readings are stored
in this register.
FRAM Address Map
During a multibyte access, the address pointer wraps
around to location 00h when it reaches the end of the
register space.
BIT 7
BIT 6
BIT 5
BIT 4
BIT 3
BIT 2
BIT 1
BIT 0
Sign
Data
Temperature Register (Upper Byte) (11h)
BIT 7
BIT 6
BIT 5
BIT 4
BIT 3
BIT 2
BIT 1
BIT 0
Data
0
Temperature Register (Lower Byte) (12h)
ADDRESS
BIT 7
BIT 6
BIT 5
BIT 4
BIT 3
BIT 2
BIT 1
BIT 0
RANGE
000h
D7
D6
D5
D4
D3
D2
D1
D0
00–FF
:
7FFh
D7
D6
D5
D4
D3
D2
D1
D0
00–FF
DS32B35 FRAM Register Map
ADDRESS
BIT 7
BIT 6
BIT 5
BIT 4
BIT 3
BIT 2
BIT 1
BIT 0
RANGE
000h
D7
D6
D5
D4
D3
D2
D1
D0
00–FF
:
1FFFh
D7
D6
D5
D4
D3
D2
D1
D0
00–FF
DS32C35 FRAM Register Map
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