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參數(shù)資料
| 型號(hào)： | NJ88C33 |
| 廠商： | Mitel Networks Corporation |
| 英文描述： | Frequency Synthesiser (I2C BUS Programmable) |
| 中文描述： | 頻率合成（I2C總線可編程） |
| 文件頁(yè)數(shù)： | 7/11頁(yè) |
| 文件大小： | 155K |
| 代理商： | NJ88C33 |
NJ88C33
7
Address and Sub-Address Formats
The correct addressing sequence for the NJ88C33 is
shown below. The START condition is followed by the
address byte, the acknowledge from the NJ88C33, the sub-
address byte, another acknowledge then the associated data.
The correct values for each address and sub-address are
listed, together with the message selection options.
S = Start
St = Stop
A = Acknowledge
P = Programmable (as shown)
x = Don't care
Data Formats
Each of the data formats should be preceded contiguously
by the addressing sequence given above.
R counter : single or dual modulus
Status : single or dual modulus
N counter : single modulus
A/N counters : dual modulus
1
2
3
4
5
6
7
8
PORT = low
Counters off
(1)
FI and RI off
(2)
PD = polarity negative
PD bias = 0.625mA
f
= RI/2
Doubler off
MOD = push-pull
PORT = high
Counters on
FI and RI on
PD = polarity positive
PD bias = 2.5mA
f
= RI/4
Doubler on
(3)
MOD = open drain
Status Byte
Bit
1
0
NOTES
1. In this standby mode the counters are disabled but the
voltage doubler and I
2
C interface can both function.
2. In this standby mode the FI and RI preamplifiers are
disabled, which stops the counters and the voltage doubler.
The I
2
C interface still operates.
3. The voltage doubler should only be used when V
DD
≤
3.0V
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| NJ88C33MA | Frequency Synthesiser (I2C BUS Programmable) |
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| NJ88C33MA | 制造商:MITEL 制造商全稱:Mitel Networks Corporation 功能描述:Frequency Synthesiser (I2C BUS Programmable) |
| NJ88C33MADP | 制造商:MITEL 制造商全稱:Mitel Networks Corporation 功能描述:Frequency Synthesiser (I2C BUS Programmable) |
| NJ88C33MAMP | 制造商:ZARLINK 制造商全稱:Zarlink Semiconductor Inc 功能描述:Frequency Synthesiser (I2C BUS Programmable) |
| NJ88C33MP | 制造商:MITEL 制造商全稱:Mitel Networks Corporation 功能描述:Frequency Synthesiser (I2C BUS Programmable) |
| NJ88C50 | 制造商:MITEL 制造商全稱:Mitel Networks Corporation 功能描述:Dual Low Power Frequency Synthesiser |
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