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MCP23008T-E/P

更新时间： 2024-01-18 07:42:22
品牌 Logo 应用领域
美国微芯 - MICROCHIP /
页数 文件大小 规格书
40页 500K
描述
8-Bit I/O Expander with Serial Interface

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MCP23008T-E/P 技术参数

生命周期：Active包装说明：SSOP-20
Reach Compliance Code：compliant风险等级：5.73
JESD-30 代码：R-PDSO-G20长度：7.2 mm
I/O 线路数量：8端口数量：1
端子数量：20最高工作温度：125 °C
最低工作温度：-40 °C封装主体材料：PLASTIC/EPOXY
封装代码：SSOP封装形状：RECTANGULAR
封装形式：SMALL OUTLINE, SHRINK PITCH筛选级别：AEC-Q100
座面最大高度：2 mm最大供电电压：5.5 V
最小供电电压：4.5 V标称供电电压：5 V
表面贴装：YES技术：CMOS
温度等级：AUTOMOTIVE端子形式：GULL WING
端子节距：0.65 mm端子位置：DUAL
宽度：5.3 mmuPs/uCs/外围集成电路类型：PARALLEL IO PORT, GENERAL PURPOSE
Base Number Matches：1

MCP23008T-E/P 数据手册

 浏览型号MCP23008T-E/P的Datasheet PDF文件第1页浏览型号MCP23008T-E/P的Datasheet PDF文件第2页浏览型号MCP23008T-E/P的Datasheet PDF文件第4页浏览型号MCP23008T-E/P的Datasheet PDF文件第5页浏览型号MCP23008T-E/P的Datasheet PDF文件第6页浏览型号MCP23008T-E/P的Datasheet PDF文件第7页 
MCP23008/MCP23S08  
The interrupt output can be configured to activate  
under two conditions (mutually exclusive):  
1.0  
DEVICE OVERVIEW  
The MCP23X08 device provides 8-bit, general  
purpose, parallel I/O expansion for I2C bus or SPI  
applications. The two devices differ in the number of  
hardware address pins and the serial interface:  
1. When any input state differs from its  
corresponding input port register state. This is  
used to indicate to the system master that an  
input state has changed.  
• MCP23008 – I2C interface; three address pins  
2. When an input state differs from a preconfigured  
register value (DEFVAL register).  
• MCP23S08 – SPI interface; two address pins  
The MCP23X08 consists of multiple 8-bit configuration  
registers for input, output and polarity selection. The  
system master can enable the I/Os as either inputs or  
outputs by writing the I/O configuration bits. The data  
for each input or output is kept in the corresponding  
Input or Output register. The polarity of the Input Port  
register can be inverted with the Polarity Inversion  
register. All registers can be read by the system master.  
The Interrupt Capture register captures port values at  
the time of the interrupt, thereby saving the condition  
that caused the interrupt.  
The Power-on Reset (POR) sets the registers to their  
default values and initializes the device state machine.  
The hardware address pins are used to determine the  
device address.  
1.1  
Pin Descriptions  
TABLE 1-1:  
PINOUT DESCRIPTION  
Pin  
Name  
PDIP/S  
OIC  
Pin  
SSOP  
Function  
Type  
SCL/SCK  
SDA/SI  
A2/SO  
1
2
3
1
2
3
I
Serial clock input.  
I/O Serial data I/O (MCP23008)/Serial data input (MCP23S08).  
I/O Hardware address input (MCP23008)/Serial data output (MCP23S08).  
A2 must be biased externally.  
A1  
4
5
4
5
I
I
Hardware address input. Must be biased externally.  
Hardware address input. Must be biased externally.  
External reset input  
A0  
RESET  
NC/CS  
INT  
6
6
I
7
7
I
No connect (MCP23008)/External chip select input (MCP23S08).  
Interrupt output. Can be configured for active-high, active-low or open-drain.  
Ground.  
8
8
O
P
VSS  
9
9
GP0  
10  
12  
I/O Bidirectional I/O pin. Can be enabled for interrupt-on-change and/or internal weak  
pull-up resistor.  
GP1  
GP2  
GP3  
GP4  
GP5  
GP6  
GP7  
11  
12  
13  
14  
15  
16  
17  
18  
13  
14  
15  
16  
17  
18  
19  
I/O Bidirectional I/O pin. Can be enabled for interrupt-on-change and/or internal weak  
pull-up resistor.  
I/O Bidirectional I/O pin. Can be enabled for interrupt-on-change and/or internal weak  
pull-up resistor.  
I/O Bidirectional I/O pin. Can be enabled for interrupt-on-change and/or internal weak  
pull-up resistor.  
I/O Bidirectional I/O pin. Can be enabled for interrupt-on-change and/or internal weak  
pull-up resistor.  
I/O Bidirectional I/O pin. Can be enabled for interrupt-on-change and/or internal weak  
pull-up resistor.  
I/O Bidirectional I/O pin. Can be enabled for interrupt-on-change and/or internal weak  
pull-up resistor.  
I/O Bidirectional I/O pin. Can be enabled for interrupt-on-change and/or internal weak  
pull-up resistor.  
VDD  
N/C  
20  
P
Power.  
10, 11  
© 2005 Microchip Technology Inc.  
DS21919B-page 3  
1234567...40

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