参数资料
型号: MCP23009-E/P
厂商: Microchip Technology
文件页数: 15/50页
文件大小: 0K
描述: IC I/O EXPANDER I2C 8B 18DIP
标准包装: 25
接口: I²C
输入/输出数: 8
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: 通孔
封装/外壳: 18-DIP(0.300",7.62mm)
供应商设备封装: 18-PDIP
包装: 管件
产品目录页面: 684 (CN2011-ZH PDF)
MCP23009/MCP23S09
DS22121B-page 22
2009 Microchip Technology Inc.
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 1-7:
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
MCP23009-E/SS IC I/O EXPANDER I2C 8B 20SSOP
MCP23009-E/SO IC I/O EXPANDER I2C 8B 18SOIC
MCP23008-E/P IC I/O EXPANDER I2C 8B 18DIP
ATMEGA48PA-ANR MCU AVR 4KB FLASH 20MHZ 32TQFP
MAX7301ATL+ IC I/O EXPANDER SPI 28B 40TQFN
相关代理商/技术参数
参数描述
MCP23009ESO 制造商:MICROCHIP 制造商全称:Microchip Technology 功能描述:8-Bit I/O Expander with Open-Drain Outputs
MCP23009ESS 制造商:MICROCHIP 制造商全称:Microchip Technology 功能描述:8-Bit I/O Expander with Open-Drain Outputs
MCP23009T 制造商:MICROCHIP 制造商全称:Microchip Technology 功能描述:8-Bit I/O Expander with Open-Drain Outputs
MCP23009T-E/MG 功能描述:接口 - 专用 8B I/O Expander SPI interface RoHS:否 制造商:Texas Instruments 产品类型:1080p60 Image Sensor Receiver 工作电源电压:1.8 V 电源电流:89 mA 最大功率耗散: 最大工作温度:+ 85 C 安装风格:SMD/SMT 封装 / 箱体:BGA-59
MCP23009T-E/P 制造商:MICROCHIP 制造商全称:Microchip Technology 功能描述:8-Bit I/O Expander with Open-Drain Outputs