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| 型號： | PCA9665N |
| 廠商： | NXP SEMICONDUCTORS |
| 元件分類： | 總線控制器 |
| 英文描述： | Fm+ parallel bus to I2C-bus controller |
| 中文描述： | I2C BUS CONTROLLER, PDIP20 |
| 封裝： | 0.300 INCH, PLASTIC, MS-001, SOT146-1, DIP-20 |
| 文件頁數(shù)： | 68/91頁 |
| 文件大?。?/td> | 372K |
| 代理商： | PCA9665N |
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PCA9665_2
NXP B.V. 2006. All rights reserved.
Product data sheet
Rev. 02 — 7 December 2006
68 of 91
NXP Semiconductors
PCA9665
Fm+ parallel bus to I
2
C-bus controller
10.3 Add additional I
2
C-bus ports
The PCA9665 can be used to convert 8-bit parallel data into additional multiple master
capable I
2
C-bus port as shown in
Figure 34
. It is used if the microcontroller,
microprocessor, custom ASIC, DSP, etc., already have an I
2
C-bus port but need one or
more additional I
2
C-bus ports to interface with more I
2
C-bus or SMBus components or
components that cannot be located on the same bus (e.g., 100 kHz and 400 kHz slaves
on different buses so that each bus can operate at its maximum potential).
10.4 Convert 8 bits of parallel data into I
2
C-bus serial data stream
Functioning as a slave transmitter, the PCA9665 can convert 8-bit parallel data into a
two-wire I
2
C-bus data stream as is shown in
Figure 35
. This would prevent having to run
8 traces across the entire width of the printed-circuit board.
Fig 33. Adding I
2
C-bus port application
MICROCONTROLLER,
MICROPROCESSOR,
OR ASIC
control signals
8 bits data
PCA9665
SDA
SCL
002aab036
Fig 34. Adding additional I
2
C-bus ports application
MICROCONTROLLER,
MICROPROCESSOR,
OR ASIC
control signals
8 bits data
PCA9665
SDA
SCL
002aab037
SDA
SCL
Fig 35. Converting parallel to serial data application
control signals
8 bits data
PCA9665
SDA
SCL
002aab039
MASTER
MICROCONTROLLER,
MICROPROCESSOR,
OR ASIC
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| PCA9665N,112 | 功能描述:I2C 接口集成電路 FM+ I2C BUS CONTRLLR RoHS:否 制造商:NXP Semiconductors 電源電壓-最大:5.5 V 電源電壓-最小:2.3 V 最大工作頻率:400 KHz 最大工作溫度:+ 85 C 封裝 / 箱體:TSSOP-16 |
| PCA9665PW | 制造商:NXP Semiconductors 功能描述:IC CNTRLR PARALLEL I2C 20TS 制造商:UNBRANDED 功能描述:UNIVERSAL BUS FUNCTIONS FM+12C BUS *NIC* 制造商:NXP Semiconductors 功能描述:IC, CNTRLR PARALLEL, I2C, 20TSSOP 制造商:NXP Semiconductors 功能描述:IC, CNTRLR PARALLEL, I2C, 20TSSOP; Interface Type:I2C, Parallel, SMBus; Interface Applications:I2C Bus & SMBus Systems Applications; Supply Voltage Min:2.3V; Supply Voltage Max:3.6V; Digital IC Case Style:TSSOP; No. of Pins:20; ;RoHS Compliant: Yes |
| PCA9665PW,112 | 功能描述:I2C 接口集成電路 FM+ I2C BUS CONTRLLR RoHS:否 制造商:NXP Semiconductors 電源電壓-最大:5.5 V 電源電壓-最小:2.3 V 最大工作頻率:400 KHz 最大工作溫度:+ 85 C 封裝 / 箱體:TSSOP-16 |
| PCA9665PW,118 | 功能描述:I2C 接口集成電路 FM+ I2C BUS CONTRLLR RoHS:否 制造商:NXP Semiconductors 電源電壓-最大:5.5 V 電源電壓-最小:2.3 V 最大工作頻率:400 KHz 最大工作溫度:+ 85 C 封裝 / 箱體:TSSOP-16 |
| PCA9665PW,118-CUT TAPE | 制造商:NXP 功能描述:PCA9635 Series 1 MHz Fm + Parallel Bus to I2C-Bus Controller - TSSOP-20 |
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