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| 型号： | PCA9505DGG,112 |
| 厂商： | NXP Semiconductors |
| 文件页数： | 10/34页 |
| 文件大小： | 0K |
| 描述： | IC I/O EXPANDER I2C 40B 56TSSOP |
| 产品培训模块： | I²C Bus Fundamentals |
| 特色产品： | NXP - I2C Interface |
| 标准包装： | 35 |
| 接口： | I²C |
| 输入/输出数： | 40 |
| 中断输出： | 是 |
| 频率 - 时钟： | 400kHz |
| 电源电压： | 2.3 V ~ 5.5 V |
| 工作温度： | -40°C ~ 85°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 56-TFSOP（0.240"，6.10mm 宽） |
| 供应商设备封装： | 56-TSSOP |
| 包装： | 管件 |
| 包括： | POR |
| 产品目录页面： | 824 (CN2011-ZH PDF) |
| 其它名称： | 568-4244-5 935284486112 PCA9505DGG |
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PCA9505/06
40
-bit
I
2C-bus
I/O
port
with
RESET
,O
E
and
INT
If AI = 0, the same register is read during the whole sequence.
If AI = 1, the register value is incremented after each read. When the last register bank is read, it rolls over to the first byte of the category (see category definition in
The INT signal is released only when the last register containing an input that changed has been read. For example, when IO2_4 and IO4_7 change at the same time and
an Input Port register’s read sequence is initiated, starting with IP0, INT is released after IP4 is read (and not after IP2 is read).
Fig 14. Read from Input Port, Output Port, I/O Configuration, Polarity Inversion or Mask Interrupt registers
002aab499
0
1
0
slave address
R/W
S
START condition
SDA
A
acknowledge
from slave
1
0 D5 D4 D3 D2 D1 D0
command register
AI = 1
A
acknowledge from slave
A
P
STOP
condition
A
acknowledge from master
D[5:0] = 00 1000 for Output Port register bank 0
D[5:0] = 01 0000 for Polarity Inversion register bank 0
Sr
repeated START condition
0
1
0
1
slave address
R/W
A
acknowledge from slave
D[5:0] = 01 1000 for Configuration register bank 0
(cont.)
At this moment master-transmitter becomes master-receiver,
and slave-receiver becomes slave-transmitter.
DATA
data from register
first byte
register determined by D[5:0]
A
acknowledge from master
DATA
data from register
second byte
DATA
data from register
last byte
no acknowledge from master
D[5:0] = 00 0000 for Input Port register bank 0
D[5:0] = 10 0000 for Mask Interrupt register bank 0
A2 A1 A0
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相关代理商/技术参数 |
参数描述 |
|---|---|
| PCA9506 | 制造商:PHILIPS 制造商全称:NXP Semiconductors 功能描述:40-bit I2C-bus I/O port with RESET, OE and INT |
| PCA9506BS | 制造商:PHILIPS 制造商全称:NXP Semiconductors 功能描述:40-bit I2C-bus I/O port with RESET, OE and INT |
| PCA9506BS,118 | 功能描述:接口-I/O扩展器 I/O EXPANDER I2C RoHS:否 制造商:NXP Semiconductors 逻辑系列: 输入/输出端数量: 最大工作频率:100 kHz 工作电源电压:1.65 V to 5.5 V 工作温度范围:- 40 C to + 85 C 安装风格:SMD/SMT 封装 / 箱体:HVQFN-16 封装:Reel |
| PCA9506BS,118-CUT TAPE | 制造商:NXP 功能描述:PCA9506 Series 40-Bit I2C-Bus I/O Port with RESET OE and INT - HVQFN - 56 |
| PCA9506DGG | 功能描述:接口-I/O扩展器 I/O EXPANDER I2C RoHS:否 制造商:NXP Semiconductors 逻辑系列: 输入/输出端数量: 最大工作频率:100 kHz 工作电源电压:1.65 V to 5.5 V 工作温度范围:- 40 C to + 85 C 安装风格:SMD/SMT 封装 / 箱体:HVQFN-16 封装:Reel |
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