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參數(shù)資料
| 型號： | PCA9535 |
| 廠商： | NXP Semiconductors N.V. |
| 英文描述： | 16-bit I2C and SMBus, low power I/O port with interrupt |
| 中文描述： | 16位I2C和SMBus，低功率的I / O端口中斷 |
| 文件頁數(shù)： | 5/19頁 |
| 文件大小： | 139K |
| 代理商： | PCA9535 |
Philips Semiconductors
Product data
PCA9535
16-bit I
2
C and SMBus, low power I/O port with interrupt
2003 Jun 27
5
SIMPLIFIED SCHEMATIC OF I/Os
WRITE PULSE
DATA FROM
SHIFT REGISTER
V
DD
I/O PIN
V
SS
WRITE CONFIGURATION
PULSE
D
C
K
FF
Q
D
C
K
Q
FF
D
C
K
Q
FF
D
C
K
Q
FF
INPUT PORT
REGISTER
POLARITY
INVERSION
REGISTER
OUTPUT
PORT
REGISTER
DATA FROM
SHIFT REGISTER
DATA FROM
SHIFT REGISTER
WRITE
POLARITY
PULSE
CONFIGURATION
REGISTER
OUTPUT PORT
REGISTER DATA
INPUT PORT
REGISTER DATA
POLARITY
REGISTER DATA
READ PULSE
SU01682
Q
Q
Q
Q
TO INT
Q1
Q2
NOTE:
At Power-on Reset, all registers return to default values.
Figure 4. Simplified schematic of I/Os
I/O port
When an I/O is configured as an input, FETs Q1 and Q2 are off,
creating a high impedance input. The input voltage may be raised
above V
DD
to a maximum of 5.5 V.
If the I/O is configured as an output, then either Q1 or Q2 is on,
depending on the state of the Output Port register. Care should be
exercised if an external voltage is applied to an I/O configured as an
output because of the low impedance path that exists between the
pin and either V
DD
or V
SS
.
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| PCA9536 | 4-bit I2C and SMBus I/O port |
| PCA9538 | 8-bit I2C and SMBus low power I/O port with interrupt and reset |
| PCA9539 | 16-bit I2C and SMBus, low power I/O port with interrupt and reset |
| PCA9545A | 4-channel I2C switch with interrupt logic and reset |
| PCA9545 | 4-channel I2C switch with interrupt logic and reset |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| PCA9535_08 | 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:16-bit I2C-bus and SMBus, low power I/O port with interrupt |
| PCA9535A | 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:Low-voltage 16-bit I2C-bus I/O port with interrupt |
| PCA9535AHF | 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:Low-voltage 16-bit I2C-bus I/O port with interrupt |
| PCA9535AHF,128 | 功能描述:接口-I/O擴展器 16bit I2C IO Port RoHS:否 制造商:NXP Semiconductors 邏輯系列: 輸入/輸出端數(shù)量: 最大工作頻率:100 kHz 工作電源電壓:1.65 V to 5.5 V 工作溫度范圍:- 40 C to + 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:HVQFN-16 封裝:Reel |
| PCA9535APW | 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:Low-voltage 16-bit I2C-bus I/O port with interrupt |
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