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MCP23017-E/SP PDF预览

MCP23017-E/SP

更新时间: 2024-02-26 10:27:16
品牌 Logo 应用领域
美国微芯 - MICROCHIP 并行IO端口微控制器和处理器外围集成电路光电二极管PC
页数 文件大小 规格书
48页 914K
描述
16-Bit I/O Expander with Serial Interface

MCP23017-E/SP 技术参数

是否无铅: 不含铅是否Rohs认证: 符合
生命周期:Contact Manufacturer零件包装代码:SSOP
包装说明:SSOP-28针数:28
Reach Compliance Code:compliant风险等级:5.8
JESD-30 代码:R-PDSO-G28长度:10.2 mm
湿度敏感等级:1位数:16
I/O 线路数量:16端口数量:2
端子数量:28最高工作温度:85 °C
最低工作温度:-40 °C封装主体材料:PLASTIC/EPOXY
封装代码:SSOP封装等效代码:SSOP28,.3
封装形状:RECTANGULAR封装形式:SMALL OUTLINE, SHRINK PITCH
峰值回流温度(摄氏度):225电源:2/5 V
认证状态:Not Qualified筛选级别:TS 16949
座面最大高度:2 mm子类别:Parallel IO Port
最大供电电压:5.5 V最小供电电压:1.8 V
标称供电电压:4.5 V表面贴装:YES
技术:CMOS温度等级:INDUSTRIAL
端子面层:MATTE TIN (SN)端子形式:GULL WING
端子节距:0.65 mm端子位置:DUAL
处于峰值回流温度下的最长时间:NOT SPECIFIED宽度:5.3 mm
uPs/uCs/外围集成电路类型:PARALLEL IO PORT, GENERAL PURPOSEBase Number Matches:1

MCP23017-E/SP 数据手册

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MCP23017/MCP23S17  
There are two interrupt pins, INTA and INTB, that can  
be associated with their respective ports, or can be  
logically OR’ed together so that both pins will activate if  
either port causes an interrupt.  
1.0  
DEVICE OVERVIEW  
The MCP23017/MCP23S17 (MCP23X17) device  
family provides 16-bit, general purpose parallel I/O  
expansion for I2C bus or SPI applications. The two  
devices differ only in the serial interface.  
The interrupt output can be configured to activate  
under two conditions (mutually exclusive):  
• MCP23017 – I2C 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.  
• MCP23S17 – SPI interface  
The MCP23X17 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 (IODIRA/B).  
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.  
2. When an input state differs from a preconfigured  
register value (DEFVAL register).  
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 16-bit I/O port functionally consists of two 8-bit  
ports (PORTA and PORTB). The MCP23X17 can be  
configured to operate in the 8-bit or 16-bit modes via  
IOCON.BANK.  
The hardware address pins are used to determine the  
device address.  
© 2007 Microchip Technology Inc.  
DS21952B-page 3  

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