参数资料
型号: MCP23017T-E/ML
厂商: Microchip Technology
文件页数: 7/48页
文件大小: 0K
描述: IC I/O EXPANDER I2C 16B 28QFN
标准包装: 1,600
接口: I²C
输入/输出数: 16
中断输出:
频率 - 时钟: 1.7MHz
电源电压: 1.8 V ~ 5.5 V
工作温度: -40°C ~ 125°C
安装类型: 表面贴装
封装/外壳: 28-VQFN 裸露焊盘
供应商设备封装: 28-QFN(6x6)
包装: 带卷 (TR)
配用: MCP23X17EV-ND - BOARD EVAL FOR MCP23X17
GPIODM-KPLCD-ND - BOARD DEMO LCD GPIO EXP KEYPAD
2007 Microchip Technology Inc.
DS21952B-page 15
MCP23017/MCP23S17
1.6.4
DEFAULT COMPARE REGISTER
FOR INTERRUPT-ON-CHANGE
The default comparison value is configured in the
DEFVAL register. If enabled (via GPINTEN and
INTCON) to compare against the DEFVAL register, an
opposite value on the associated pin will cause an
interrupt to occur.
REGISTER 1-4:
DEFVAL – DEFAULT VALUE REGISTER (ADDR 0x03)
R/W-0
DEF7
DEF6
DEF5
DEF4
DEF3
DEF2
DEF1
DEF0
bit 7
bit 0
Legend:
R = Readable bit
W = Writable bit
U = Unimplemented bit, read as ‘0’
-n = Value at POR
‘1’ = Bit is set
‘0’ = Bit is cleared
x = Bit is unknown
bit 7-0
DEF7:DEF0: These bits set the compare value for pins configured for interrupt-on-change from
defaults <7:0>. Refer to INTCON.
If the associated pin level is the opposite from the register bit, an interrupt occurs.
Refer to INTCON and GPINTEN.
相关PDF资料
PDF描述
74548-0211 CONN IPASS SAS 1X1 GUIDE FRAME
8B36-1420 SHELL 36POS DUAL KEY VERT T-H
74548-0205 CONN IPASS SAS 1X4 GUIDE FRAME
MCP23S17T-E/SS IC I/O EXPANDER SPI 16B 28SSOP
MCP23S09T-E/MG IC I/O EXPANDER SPI 8B 16QFN
相关代理商/技术参数
参数描述
MCP23018 制造商:MICROCHIP 制造商全称:Microchip Technology 功能描述:16-Bit I/O Expander with Open-Drain Outputs
MCP23018-E/MJ 功能描述:接口-I/O扩展器 16B I/O Expander I2C interface 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
MCP23018-E/MJ 制造商:Microchip Technology Inc 功能描述:; Bus Frequency:3.4MHz; IC Interface Typ 制造商:Microchip Technology Inc 功能描述:IC, I/O EXPANDER, 16BIT, 3.4MHZ, QFN-24
MCP23018-E/SO 功能描述:接口-I/O扩展器 16B I/O Expander I2C interface 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
MCP23018-E/SP 功能描述:接口-I/O扩展器 16B I/O Expander I2C interface 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