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參數(shù)資料
| 型號(hào)： | DS4000KI/WBGA |
| 廠商： | Maxim Integrated Products |
| 文件頁數(shù)： | 2/16頁 |
| 文件大?。?/td> | 0K |
| 描述： | IC OSC TCXO 19.44MHZ 24-BGA |
| 標(biāo)準(zhǔn)包裝： | 135 |
| 類型： | 溫度 - 補(bǔ)償晶體振蕩器（TCXO） |
| 頻率： | 19.44MHz |
| 電源電壓： | 4.75 V ~ 5.25 V |
| 電流 - 電源： | 1.5mA |
| 工作溫度： | 0°C ~ 70°C |
| 封裝/外殼： | 24-BBGA |
| 包裝： | 托盤 |
| 供應(yīng)商設(shè)備封裝： | 24-WBGA（11x9） |
| 安裝類型： | 表面貼裝 |
DS4000 Digitally Controlled TCXO
10 of 16
READ TEMPERATURE COMMAND
This command reads the last temperature conversion result from the temperature register in the format described
in the Reading Temperature section. If an application can accept temperature resolutions of +1.0°C, then the
master can read the first data byte and follow with a NACK and STOP. For higher resolution, both bytes must be
read.
Table 3. Command Set
INSTRUCTION
FUNCTION
PROTOCOL
2-WIRE BUS DATA
AFTER ISSUING
PROTOCOL
Frequency Select
Register (Note 1)
Defines F2 output frequency
5Dh
Read or write 1 data
byte
TCXO Control
Register (Note 1)
Enables/disables F1 and F2;
sets duty cycle of F2
60h
Read or write 1 data
byte
Read Temperature
(Note 2)
Reads 10-bit temperature register
64h
Read 1 or 2 data bytes
Frequency Tuning
Register (Note 2)
Digitally adds/subtracts an offset
from oscillator
66h
Read or write 1 data
byte
Note 1: The slave does not increment the internal address pointer between instructions. The address pointer must be reinitialized after each
access.
Note 2. If the user only desires 8-bit thermometer readings, the master can read one data byte, and follow with a NACK and STOP. If higher
resolution is required, both bytes must be read.
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