参数资料
型号: MCP23018T-E/SO
厂商: Microchip Technology
文件页数: 18/56页
文件大小: 0K
描述: IC I/O EXPANDER I2C 16B 28SOIC
标准包装: 1,600
接口: I²C
输入/输出数: 16
中断输出:
频率 - 时钟: 3.4MHz
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-SOIC(0.295",7.50mm 宽)
供应商设备封装: 28-SOIC
包装: 带卷 (TR)
2008 Microchip Technology Inc.
DS22103A-page 25
MCP23018/MCP23S18
1.6.7
PULL-UP RESISTOR
CONFIGURATION REGISTER
The GPPU register controls the pull-up resistors for the
port pins. If a bit is set the corresponding port pin is
internally pulled up with an internal resistor.
FIGURE 1-10:
TYPICAL PERFORMANCE CURVE FOR THE INTERNAL PULL-UP RESISTORS
REGISTER 1-9:
GPPU – GPIO PULL-UP RESISTOR REGISTER
R/W-0
PU7
PU6
PU5
PU4
PU3
PU2
PU1
PU0
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
PU7:PU0: Controls the internal pull-up resistors on each pin (when configured as an input or output)
<7:0>.
1
= Pull-up enabled.
0
= Pull-up disabled.
GPIO Pin Internal Pull-up Current vs VDD
0
50
100
150
200
250
300
350
400
1.52
2.533.5
4
4.5
55.5
VDD (V)
IPU
(
A
)
T = -40°C
T = +25°C
T = +125°C
T = +85°C
相关PDF资料
PDF描述
ATMEGA48V-10MUR MCU AVR 4KB FLASH 10MHZ 32QFN
MCP23018T-E/MJ IC I/O EXPANDER I2C 16B 24QFN
MCP23017T-E/ML IC I/O EXPANDER I2C 16B 28QFN
74548-0211 CONN IPASS SAS 1X1 GUIDE FRAME
8B36-1420 SHELL 36POS DUAL KEY VERT T-H
相关代理商/技术参数
参数描述
MCP-230-82501-0N 制造商:Supermicro Computer Inc 功能描述:SUPERMICRO TOP COVER, SC825 - Bulk
MCP-230-93301-0N 制造商:SUPER MICRO COMPUTER, INC. 功能描述:SUPERMICRO 933T-R760 COVER - Bulk
MCP23S08 制造商:MICROCHIP 制造商全称:Microchip Technology 功能描述:8-Bit I/O Expander with Serial Interface
MCP23S08-E/ML 功能描述:接口-I/O扩展器 8bit Input/Output Exp SPI 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
MCP23S08-E/P 功能描述:接口-I/O扩展器 In/Out SPI int 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